12 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT126/CS126
e CT126 and CS126 feature high current switching capability to 2.0A with a low
on resistance of 0.5Ω Maximum. Designed for Security, Measurement and Instrumen-
tation applications the CotoMOS® relay is capable of handling 40V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT126/CS126 Features
u
Contact Form: 1a
u
Load Voltage: 40V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 2.0A Maximum
u
On-Resistance: 0.5Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux - H for I/O Breakdown Voltage: 5000Vrms Minimum
CS126CT126
CT126/CS126
TERMINAL IDENTIFICATION
654
1
23
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3: NC
4,6: Drain (MOS FET)
5: Source (MOS FET)
®
0.047(1.2)
0.252(6.4)
0.358(9.1)Max.
0.020(0.5)
0.162(4.1)
0.118(3.0)
IDENTIFIES PIN #1
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.470(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.358(9.1)Max.
0.134(3.4)
0.154(3.9)Max
.
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 13
CT126/CS126 MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 40V (AC peak or DC)
Load Current ILA2.0A
Peak Load Current IPeak A3.5A
Output Power Dissipation POut mW 450mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 500mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT126/CS126 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFI=10mA V1.0 1.4 1.5
Operation LED Current IF On mA 0.5 3.0
Recovery LED Voltage VF Off V 0.5 1.1
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
0.085 0.5
Off-State Leakage Current ILeak IF=0mA, VL=40V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 240
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.5 3.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
14 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT130/CS130
e CT130 and CS130 feature current switching capability to 120mA with a low on
resistance of 30Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 400V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT130/CS130 Features
u
Contact Form: 1a
u
Load Voltage: 400V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 120mA Maximum
u
On-Resistance: 30Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux - H for I/O Breakdown Voltage: 5000Vrms Minimum
CS130CT130
CT130/CS130
TERMINAL IDENTIFICATION
654
1
23
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3: NC
4,6: Drain (MOS FET)
5: Source (MOS FET)
®
®
0.047(1.2)
0.252(6.4)
0.358(9.1)Max.
0.020(0.5)
0.162(4.1)
0.118(3.0)
IDENTIFIES PIN #1
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.470(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.358(9.1)Max.
0.134(3.4)
0.154(3.9)Max
.
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 15page | 15
CT130/CS130 MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 400V (AC peak or DC)
Load Current ILA120mA
Peak Load Current IPeak A0.6A
Output Power Dissipation POut mW 450mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 500mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT130/CS130 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFI=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5 1.0
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
24 30
Off-State Leakage Current ILeak VL=400V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 115
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.2 1.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
16 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT131/CS131
e CT131 and CS131 feature current switching capability to 130mA with a low on
resistance of 24Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 350V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT131/CS131 Features
u
Contact Form: 1a
u
Load Voltage: 350V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 130mA Maximum
u
On-Resistance: 24Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux - H for I/O Breakdown Voltage: 5000Vrms Minimum
CS131CT131
CT131/CS131
TERMINAL IDENTIFICATION
654
1
23
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3: NC
4,6: Drain (MOS FET)
5: Source (MOS FET)
®
0.047(1.2)
0.252(6.4)
0.358(9.1)Max.
0.020(0.5)
0.162(4.1)
0.118(3.0)
IDENTIFIES PIN #1
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.470(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.358(9.1)Max.
0.134(3.4)
0.154(3.9)Max
.
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 17page | 17
CT131/CS131 MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 350V (AC peak or DC)
Load Current ILA130mA
Peak Load Current IPeak A0.6A
Output Power Dissipation POut mW 450mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 500mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT131/CS131 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFI=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5 1.0
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
17 24
Off-State Leakage Current ILeak VL=350V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 115
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.2 1.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
18 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT134/CS134
e CT134 and CS134 feature current switching capability to 200mA with a low on
resistance of 8Ω Maximum. Designed for Security, Measurement and Instrumentation
applications the CotoMOS® relay is capable of handling 200V load conditions. If your
requirements are dierent please contact your Coto Applications Engineer for assis-
tance through www.cotorelay.com.
CT134/CS134 Features
u
Contact Form: 1a
u
Load Voltage: 200V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 200mA Maximum
u
On-Resistance: 8Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux - H for I/O Breakdown Voltage: 5000Vrms Minimum
CS134CT134
CT134/CS134
TERMINAL IDENTIFICATION
654
1
23
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3: NC
4,6: Drain (MOS FET)
5: Source (MOS FET)
®
0.047(1.2)
0.252(6.4)
0.358(9.1)Max.
0.020(0.5)
0.162(4.1)
0.118(3.0)
IDENTIFIES PIN #1
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.470(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.358(9.1)Max.
0.134(3.4)
0.154(3.9)Max
.
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 19page | 19
CT134/CS134 MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 200V (AC peak or DC)
Load Current ILA200mA
Peak Load Current IPeak A0.8A
Output Power Dissipation POut mW 450mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 500mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT134/CS134 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFI=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
6.0 8.0
Off-State Leakage Current ILeak VL=200V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 130
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.2 1.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
20 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT135/CS135
e CT135 and CS135 combine Coto quality and economy in an industry stan-
dard 6 pin DIP package. Both the CT135 and the CS135 oer low output capaci-
tance and low leakage current. e CT135 utilizes a thru hole lead conguration,
while the CS135 oers a surface mount option when the application requires it.
Both relays are ideally suited to the needs of Test and Measurement, Industrial,
and Telecommunications.
CT135/CS135 Features
u
Contact Form: 1a
u
Load Voltage: 80V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 100mA Maximum
u
On-Resistance: 30Ω Maximum
u
Low O-State Leakage Current: 10nA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux - H for I/O Breakdown Voltage: 5000Vrms Minimum
CS135CT135
CT135/CS135
TERMINAL IDENTIFICATION
654
1
23
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3: NC
4,6: Drain (MOS FET)
5: Source (MOS FET)
®
0.047(1.2)
0.252(6.4)
0.358(9.1)Max.
0.020(0.5)
0.162(4.1)
0.118(3.0)
IDENTIFIES PIN #1
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.470(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.358(9.1)Max.
0.134(3.4)
0.154(3.9)Max
.
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 21page | 21
CT135/CS135 MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 80V (AC peak or DC)
Load Current ILA100mA
Peak Load Current IPeak A0.3A
Output Power Dissipation POut mW 350mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 400mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT135/CS135 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFI=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
20 30
Off-State Leakage Current ILeak VL=80V nA 10
Output Capacitance COut VL=0V, f=1MHz pF 6.0
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.02 0.1
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
22 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT136/CS136
e CT136 and CS136 combine Coto quality and economy in an industry standard
6 pin DIP package. Both the CT136 and the CS136 oer low on resistance and high
load current. e CT136 utilizes a thru hole lead conguration, while the CS136
oers a surface mount option when the application requires it. Both relays are ideally
suited to the needs of Test and Measurement, Industrial, and Telecommunications.
CT136/CS136 Features
u
Contact Form: 1a
u
Load Voltage: 60V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 2.5A Maximum
u
On-Resistance: 0.14Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux - H for I/O Breakdown Voltage: 5000Vrms Minimum
CS136CT136
CT136/CS136
TERMINAL IDENTIFICATION
654
1
23
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3: NC
4,6: Drain (MOS FET)
5: Source (MOS FET)
®
0.047(1.2)
0.252(6.4)
0.358(9.1)Max.
0.020(0.5)
0.162(4.1)
0.118(3.0)
IDENTIFIES PIN #1
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.470(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.358(9.1)Max.
0.134(3.4)
0.154(3.9)Max
.
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 23page | 23
CT136/CS136 MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 60V (AC peak or DC)
Load Current ILA2.5A
Peak Load Current IPeak A6.0A
Output Power Dissipation POut mW 500mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 550mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT136/CS136 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFI=10mA V1.0 1.5
Operation LED Current IF On mA 1.5 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=10mA, IL=Rating
Time to flow is within 1 sec.
Ω
0.09 0.14
Off-State Leakage Current ILeak IF=0mA, VL=50V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 470
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.6 5.0
Turn-Off Time TOff ms 0.04 2.0
COUPLED
I/O Insulation Resistance RI/O
Ω
5*109
I/O Capacitance CI/O f=1MHz pF 1.0
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
24 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT137/CS137
e CT137 and CS137 combine Coto quality and economy in an industry standard 6
pin DIP package. Both the CT137 and the CS137 oer low on resistance. e CT137
utilizes a thru hole lead conguration, while the CS137 oers a surface mount option
when the application requires it. Both relays are ideally suited to the needs of Test and
Measurement, Industrial, and Telecommunications.
CT137/CS137 Features
u
Contact Form: 1a
u
Load Voltage: 60V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 400mA Maximum
u
On-Resistance: 1.6Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux - H for I/O Breakdown Voltage: 5000Vrms Minimum
CS137CT137
CT137/CS137
TERMINAL IDENTIFICATION
654
1
23
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3: NC
4,6: Drain (MOS FET)
5: Source (MOS FET)
®
0.047(1.2)
0.252(6.4)
0.358(9.1)Max.
0.020(0.5)
0.162(4.1)
0.118(3.0)
IDENTIFIES PIN #1
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.470(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.358(9.1)Max.
0.134(3.4)
0.154(3.9)Max
.
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 25page | 25
CT137/CS137 MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 60V (AC peak or DC)
Load Current ILA400mA
Peak Load Current IPeak A2.0A
Output Power Dissipation POut mW 450mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 500mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT137/CS137 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFI=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
0.8 1.6
Off-State Leakage Current ILeak VL=60V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 195
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.3 1.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
26 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT138/CS138
e CT138 and CS138 feature current switching capability to 80mA with a low on
resistance of 60Ω Maximum Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 600V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT138/CS138 Features
u
Contact Form: 1a
u
Load Voltage: 600V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 80mA Maximum
u
On-Resistance: 60Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux - H for I/O Breakdown Voltage: 5000Vrms Minimum
CS138CT138
CT138/CS138
TERMINAL IDENTIFICATION
654
1
23
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3: NC
4,6: Drain (MOS FET)
5: Source (MOS FET)
®
0.047(1.2)
0.252(6.4)
0.358(9.1)Max.
0.020(0.5)
0.162(4.1)
0.118(3.0)
IDENTIFIES PIN #1
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.470(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.358(9.1)Max.
0.134(3.4)
0.154(3.9)Max
.
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 27page | 27
CT138/CS138 MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 600V (AC peak or DC)
Load Current ILA80mA
Peak Load Current IPeak A 0.2A
Output Power Dissipation POut mW 450mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 500mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT138/CS1382 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFI=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
35.0 60.0
Off-State Leakage Current ILeak VL=600V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 95
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.1 1.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
28 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT147/CS147
e CT147 and CS147 combine Coto quality and economy in an industry standard
6 pin DIP package. Both the CT147 and the CS147 oer low on resistance and high
load current. e CT147 utilizes a thru hole lead conguration, while the CS147 oers
a surface mount option when the application requires it. Both relays are ideally suited
to the needs of Test and Measurement, Industrial, and Telecommunications
CT147/CS147 Features
u
Contact Form: 1a
u
Load Voltage: 80V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 2.0A Maximum
u
On-Resistance: 0.16Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux - H for I/O Breakdown Voltage: 5000Vrms Minimum
CS147CT147
CT147/CS147
TERMINAL IDENTIFICATION
654
1
23
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3: NC
4,6: Drain (MOS FET)
5: Source (MOS FET)
®
0.047(1.2)
0.252(6.4)
0.358(9.1)Max.
0.020(0.5)
0.162(4.1)
0.118(3.0)
IDENTIFIES PIN #1
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.470(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.358(9.1)Max.
0.134(3.4)
0.154(3.9)Max
.
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 29page | 29
CT147/CS147 MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 80V (AC peak or DC)
Load Current ILA2.0A
Peak Load Current IPeak A5.0A
Output Power Dissipation POut mW 500mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 550mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT138/CS1382 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFI=10mA V1.0 1.5
Operation LED Current IF On mA 1.2 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
0.1 0.16
Off-State Leakage Current ILeak VL=80V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 500
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.7 5.0
Turn-Off Time TOff ms 0.04 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
30 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS® C226S/C326S
When small size and high performance are needed, the SOP package, such as the
C226S or C326S, is the industry choice. Both the C226S and the C326S feature low
on-resistance, high load-current capacity, and low o-state leakage current. In addi-
tion, the C326S oers two fully-independent form A channels for further space sav-
ings. Both relays are ideally suited to the needs of Test and Measurement, Industrial,
and Telecommunications.
C226S/C326S Features
u
Contact Form: C226S: 1 Form A / C326S: 2 Form A
u
Load Voltage: 40V Maximum
u
Must Operate LED Current: 3.0mA Maximum
u
Load Current: C226S:2.0A Maximum / C326S: 1.6A Maximum
u
Low On-Resistance: 0.085Ω Typical
u
Output Capacitance: 240pF Typical
u
Low O-State Leakage Current: 1.0μA Maximum
C326SC226S
C226S/C326S
0.016(0.4)
0.173(4.4)
0.100(2.54)
0.181(4.6) Max.
0.079(2.0)
0.100(2.55)Max.
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
0.006(0.15)
IDENTIFIES PIN #1
0.100(2.54)
0.016(0.4)
0.300(7.62)
0.173(4.4)
0.382(9.7) Max.
0.079(2.0)
0.100(2.55)Max.
0.006(0.15)
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
IDENTIFIES PIN #1
TERMINAL IDENTIFICATION
43
12
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3,4: Drain (MOSFET)
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
®
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 31page | 31
C226S/C326S MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 40V (AC peak or DC)
Load Current ILA 2.0A (1Ch) / 1.6A (2Ch)
Peak Load Current IPeak A3.5A
Output Power Dissipation POut mW 350mW (1Ch) / 450mW (2Ch)
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 400mW (1Ch) / 500mW (2Ch)
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
C226S/C326S ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.37 1.5
Operation LED Current IF On mA 0.5 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
0.085 0.5
Off-State Leakage Current ILeak VL=40V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 240
TRANSMISSION
Turn-On Time TOn IF=5mA, IL=Rating ms 0.5 3.0
Turn-Off Time TOff ms 0.04 0.5
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
32 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS C247S/C347S
e C247S and C347S feature high current switching capability to 1.25A with a low
on resistance of 0.5Ω Maximum. Designed for Security, Measurement and Instrumen-
tation applications the CotoMOS® relay is capable of handling 80V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
C247S/C347S Features
u
Contact Form: C247S: 1a / C347S: 2a
u
Load Voltage: 80V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: C247S: 1.25A Maximum / C347S: 1.0A Maximum
u
On-Resistance: 0.15Ω Typical
u
Output Capacitance: 190pF Typical
u
Low O-State Leakage Current: 1.0μA Maximum
C347SC247S
C247S/C347S
TERMINAL IDENTIFICATION
43
12
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3,4: Drain (MOSFET)
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
®
0.016(0.4)
0.173(4.4)
0.100(2.54)
0.181(4.6) Max.
0.079(2.0)
0.100(2.55)Max.
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
0.006(0.15)
IDENTIFIES PIN #1
0.100(2.54)
0.016(0.4)
0.300(7.62)
0.173(4.4)
0.382(9.7) Max.
0.079(2.0)
0.100(2.55)Max.
0.006(0.15)
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 33page | 33
C247S/C347S MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 80V (AC peak or DC)
Load Current ILA 1.25A (1Ch) / 1.0A (2Ch)
Peak Load Current IPeak A3.0A
Output Power Dissipation POut mW 350mW (1Ch) / 450mW (2Ch)
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 400mW (1Ch) / 500mW (2Ch)
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
C247S/C347S ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.37 1.5
Operation LED Current IF On mA 1.2 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
0.15 0.5
Off-State Leakage Current ILeak VL=80V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 190
TRANSMISSION
Turn-On Time TOn IF=5mA, IL=Rating ms 0.6 5.0
Turn-Off Time TOff ms 0.06 0.5
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
34 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS C230S/C330S
When small size and high performance are needed, the SOP package, such as the
C230S or C330S, is the industry choice. Both the C230S and the C330S feature
high load voltage capability and the opportunity for ecient board layout, saving
precious board space without compromising on performance. In addition, the
C330S oers two fully-independent form A channels for further space savings.
Both relays are ideally suited to the needs of Test and Measurement, Industrial,
and Telecommunications.
C230S/C330S Features
u
Contact Form: C230S: 1a / C330S: 2a
u
Load Voltage: 400V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: C230S: 100mA Maximum / C330S: 85mA Maximum
u
On-Resistance: 24Ω Typical
u
Output Capacitance: 115pF Typical
u
Low O-State Leakage Current: 1.0μA Maximum
C330SC230S
TERMINAL IDENTIFICATION
43
12
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3,4: Drain (MOSFET)
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
C230S/C330S
®
0.016(0.4)
0.173(4.4)
0.100(2.54)
0.181(4.6) Max.
0.079(2.0)
0.100(2.55)Max.
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
0.006(0.15)
IDENTIFIES PIN #1
0.100(2.54)
0.016(0.4)
0.300(7.62)
0.173(4.4)
0.382(9.7) Max.
0.079(2.0)
0.100(2.55)Max.
0.006(0.15)
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 35
C230S/C330S MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 400V (AC peak or DC)
Load Current ILA 100mA (1Ch) / 85mA (2Ch)
Peak Load Current IPeak A0.6A
Output Power Dissipation POut mW 300mW (1Ch) / 450mW (2Ch)
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 350mW (1Ch) / 500mW (2Ch)
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
C230S/C330S ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
24 30
Off-State Leakage Current ILeak VL=400V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 115
TRANSMISSION
Turn-On Time TOn IF=5mA, IL=Rating ms 0.25 0.5
Turn-Off Time TOff ms 0.02 0.2
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
36 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS C231S/C331S
When small size and high performance are needed, the SOP package, such as the
C231S or C331S, is the industry choice. Both the C231S and the C331S feature
high load voltage capability and the opportunity for ecient board layout, saving
precious board space without compromising on performance. In addition, the
C331S oers two fully-independent form A channels for further space savings.
Both relays are ideally suited to the needs of Test and Measurement, Industrial,
and Telecommunications.
C231S/C331S Features
u
Contact Form: C231S: 1a / C331S: 2a
u
Load Voltage: 350V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: C231S: 120mA Maximum / C331S: 100mA Maximum
u
On-Resistance: 24Ω Maximum
u
Output Capacitance: 115pF Typical
u
Low O-State Leakage Current: 1.0μA Maximum
C331SC231S
TERMINAL IDENTIFICATION
43
12
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3,4: Drain (MOSFET)
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
C231S/C331S
®
0.016(0.4)
0.173(4.4)
0.100(2.54)
0.181(4.6) Max.
0.079(2.0)
0.100(2.55)Max.
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
0.006(0.15)
IDENTIFIES PIN #1
0.100(2.54)
0.016(0.4)
0.300(7.62)
0.173(4.4)
0.382(9.7) Max.
0.079(2.0)
0.100(2.55)Max.
0.006(0.15)
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 37
C231S/C331S MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 350V (AC peak or DC)
Load Current ILA 120mA (1Ch) / 100mA (2Ch)
Peak Load Current IPeak A0.6A
Output Power Dissipation POut mW 300mW (1Ch) / 450mW (2Ch)
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 350mW (1Ch) / 500mW (2Ch)
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
C231S/C331S ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
17 24
Off-State Leakage Current ILeak VL=350V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 115
TRANSMISSION
Turn-On Time TOn IF=5mA, IL=Rating ms 0.25 0.5
Turn-Off Time TOff ms 0.05 0.2
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
38 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS C234S/C334S
e C234S and C334S feature current switching capability to 180mA with a low on
resistance of 8Ω Maximum. Designed for Security, Measurement and Instrumentation
applications the CotoMOS® relay is capable of handling 200V load conditions. If your
requirements are dierent please contact your Coto Applications Engineer for assis-
tance through www.cotorelay.com.
CS234S/CS334S Features
u
Contact Form: C234S: 1a / C334S: 2a
u
Load Voltage: 200V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: C234S: 180mA Maximum / C334S: 160mA Maximum
u
On-Resistance: 8Ω Maximum
u
Output Capacitance: 130pF Typical
u
Low O-State Leakage Current: 1.0μA Maximum
C334SC234S
TERMINAL IDENTIFICATION
43
12
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3,4: Drain (MOSFET)
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
C234S/C334S
®
0.016(0.4)
0.173(4.4)
0.100(2.54)
0.181(4.6) Max.
0.079(2.0)
0.100(2.55)Max.
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
0.006(0.15)
IDENTIFIES PIN #1
0.100(2.54)
0.016(0.4)
0.300(7.62)
0.173(4.4)
0.382(9.7) Max.
0.079(2.0)
0.100(2.55)Max.
0.006(0.15)
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 39
C234S/C334S MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 200V (AC peak or DC)
Load Current ILA 180mA (1Ch) / 160mA (2Ch)
Peak Load Current IPeak A0.8A
Output Power Dissipation POut mW 300mW (1Ch) / 450mW (2Ch)
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 350mW (1Ch) / 500mW (2Ch)
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
C234S/C334S ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
6.0 8.0
Off-State Leakage Current ILeak VL=200V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 130
TRANSMISSION
Turn-On Time TOn IF=5mA, IL=Rating ms 0.25 0.5
Turn-Off Time TOff ms 0.05 0.2
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
40 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS C235S/C335S
e C235S and C335S feature current switching capability to 80mA with a low on
resistance of 30Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 80V load conditions. If
your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
C235S/C335S Features
u
Contact Form: C235S: 1a / C335S: 2a
u
Load Voltage: 80V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: C235S: 80mA Maximum / C335S: 70mA Maximum
u
On-Resistance: 30Ω Maximum
u
Output Capacitance: 6pF Typical
u
Low O-State Leakage Current: 10nA Maximum
C335SC235S
TERMINAL IDENTIFICATION
43
12
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3,4: Drain (MOSFET)
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
C235S/C335S
®
0.016(0.4)
0.173(4.4)
0.100(2.54)
0.181(4.6) Max.
0.079(2.0)
0.100(2.55)Max.
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
0.006(0.15)
IDENTIFIES PIN #1
0.100(2.54)
0.016(0.4)
0.300(7.62)
0.173(4.4)
0.382(9.7) Max.
0.079(2.0)
0.100(2.55)Max.
0.006(0.15)
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 41
C235S/C335S MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 80V (AC peak or DC)
Load Current ILA 80mA (1Ch) / 70mA (2Ch)
Peak Load Current IPeak A0.3A
Output Power Dissipation POut mW 200mW (1Ch) / 400mW (2Ch)
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 225mW (1Ch) / 450mW (2Ch)
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
C235S/C335S ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
20 30
Off-State Leakage Current ILeak VL=80V nA 10
Output Capacitance COut VL=0V, f=1MHz pF 6.0
TRANSMISSION
Turn-On Time TOn IF=5mA, IL=10mA ms 0.02 0.5
Turn-Off Time TOff ms 0.05 0.2
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
42 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS C237S/C337S
When small size and high performance are needed, the SOP package, such as the
C237S or C337S, is the industry choice. Both the C237S and the C337S feature low
on resistance fast turn on time. In addition, the C337S oers two fully-independent
form A channels for further space savings. Both relays are ideally suited to the needs
of Test and Measurement, Industrial, and Telecommunications.
C237S/C337S Features
u
Contact Form: C237S: 1a / C337S: 2a
u
Load Voltage: 60V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: C237S: 350mA Maximum / C337S: 320mA Maximum
u
On-Resistance: 1.6Ω Maximum
u
Output Capacitance: 195pF Typical
u
Low O-State Leakage Current: 1.0mA Maximum
C337SC237S
TERMINAL IDENTIFICATION
43
12
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3,4: Drain (MOSFET)
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
C237S/C337S
®
0.016(0.4)
0.173(4.4)
0.100(2.54)
0.181(4.6) Max.
0.079(2.0)
0.100(2.55)Max.
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
0.006(0.15)
IDENTIFIES PIN #1
0.100(2.54)
0.016(0.4)
0.300(7.62)
0.173(4.4)
0.382(9.7) Max.
0.079(2.0)
0.100(2.55)Max.
0.006(0.15)
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 43
C237S/C337S MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 60V (AC peak or DC)
Load Current ILA 350mA (1Ch) / 320mA (2Ch)
Peak Load Current IPeak A2.0A
Output Power Dissipation POut mW 200mW (1Ch) / 400mW (2Ch)
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 225mW (1Ch) / 450mW (2Ch)
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
C237S/C337S ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
0.8 1.6
Off-State Leakage Current ILeak VL=60V mA1.0
Output Capacitance COut VL=0V, f=1MHz pF 195
TRANSMISSION
Turn-On Time TOn IF=5mA, IL=Rating ms 0.35 1.5
Turn-Off Time TOff ms 0.05 0.2
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
44 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS C245S/C345S
e C245S and C345S feature current switching capability to 100mA with a low on
resistance of 14Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 60V load conditions. If
your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
C245S/C345S Features
u
Contact Form: C245S: 1a / C345S: 2a
u
Load Voltage: 60V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 100mA Maximum
u
On-Resistance: 14Ω Maximum
u
Output Capacitance: 20pF Typical
u
Low O-State Leakage Current: 1.0μA Maximum
C345SC245S
TERMINAL IDENTIFICATION
43
12
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3,4: Drain (MOSFET)
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
C245S/C345S
®
0.016(0.4)
0.173(4.4)
0.100(2.54)
0.181(4.6) Max.
0.079(2.0)
0.100(2.55)Max.
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
0.006(0.15)
IDENTIFIES PIN #1
0.100(2.54)
0.016(0.4)
0.300(7.62)
0.173(4.4)
0.382(9.7) Max.
0.079(2.0)
0.100(2.55)Max.
0.006(0.15)
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 45
C245S/C345S MAXIMUM RATINGS Ambient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 60V (AC peak or DC)
Load Current ILA100mA
Peak Load Current IPeak A350mA
Output Power Dissipation POut mW 200mW (1Ch) / 400mW (2Ch)
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 225mW (1Ch) / 450mW (2Ch)
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
C245S/C345S ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
14
Off-State Leakage Current ILeak VL=60V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 20
TRANSMISSION
Turn-On Time TOn IF=5mA, IL=Rating ms 3.0
Turn-Off Time TOff ms 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
46 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS C574S/C674S
e C574S and C674S feature current switching capability to 70mA with a low on
resistance of 50Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 400V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
C574S/C674S Features
u
Contact Form: C574S: 1b / C674S: 2b
u
Load Voltage: 400V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: C574S: 70mA Maximum / C674S: 60mA Maximum
u
On-Resistance: 50Ω Maximum
u
Output Capacitance: 165pF Typical
u
Low O-State Leakage Current: 10μA Maximum
C674SC574S
TERMINAL IDENTIFICATION
43
12
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3,4: Drain (MOSFET)
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
C574S/C674S
®
0.016(0.4)
0.173(4.4)
0.100(2.54)
0.181(4.6) Max.
0.079(2.0)
0.100(2.55)Max.
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
0.006(0.15)
IDENTIFIES PIN #1
0.100(2.54)
0.016(0.4)
0.300(7.62)
0.173(4.4)
0.382(9.7) Max.
0.079(2.0)
0.100(2.55)Max.
0.006(0.15)
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 47
C574S/C674S MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 400V (AC peak or DC)
Load Current ILA 70mA (1Ch) / 60mA (2Ch)
Peak Load Current IPeak A0.6A
Output Power Dissipation POut mW 300mW (1Ch) / 450mW (2Ch)
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 350mW (1Ch) / 500mW (2Ch)
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
C574S/C674S ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
30 50
Off-State Leakage Current ILeak VL=400V
μ
A10
Output Capacitance COut VL=0V, f=1MHz pF 165
TRANSMISSION
Turn-On Time TOn IF=5mA, IL=Rating ms 0.05 3.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
48 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS C774S
e C774S features current switching capability to 80/60mA with a low on resistance
of 30/50Ω Maximum. Designed for Security, Measurement and Instrumentation ap-
plications the CotoMOS® relay is capable of handling 400V load conditions. If your
requirements are dierent please contact your Coto Applications Engineer for assis-
tance through www.cotorelay.com.
C774S Features
u
Contact Form: 1a+1b
u
Load Voltage: 400V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 80mA Maximum (NO) 60mA Maximum (NC)
u
On-Resistance: 30Ω Maximum (NO) 50Ω Maximum (NC)
u
Output Capacitance: 115pF Typical (NO) 165pF Typical (NC)
u
Low O-State Leakage Current: 1.0μ A Maximum (NO) 10μA Maximum (NC)
C774S
TERMINAL IDENTIFICATION
8
NC NO
765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
®
0.100(2.54)
0.016(0.4)
0.300(7.62)
0.173(4.4)
0.382(9.7) Max.
0.079(2.0)
0.100(2.55)Max.
0.006(0.15)
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 49
C774S MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 400V (AC peak or DC)
Load Current ILA 80mA (NO) / 60mA (NC)
Peak Load Current IPeak A0.4A
Output Power Dissipation POut mW 400mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 450mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
C774S ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA (NO), IF=0mA (NC), IL=Rating
Time to flow is within 1 sec.
Ω
24 (NO)
30 (NC)
30 (NO)
50 (NC)
Off-State Leakage Current ILeak IF=0mA (NO), IF=5mA (NC), VL=400V
μ
A1 (NO)
10 (NC)
Output Capacitance COut IF=0mA (NO), IF=5mA (NC)
VL=0V, f=1MHz pF 115 (NO)
165 (NC)
TRANSMISSION
Operate Time TOn (NO)
TOff (NC) IF=0mA → 5mA (NC), IL=Rating ms 0.25 (NO)
0.5 (NC) 2.0
Recovery Time TOff (NO)
TOn (NC) IF=0mA → 5mA (NC), IL=50mA ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
50 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT326/CS326
e CT326 and CS326 feature high current switching capability to 2.0A with a low
on resistance of 0.5Ω Maximum. Designed for Security, Measurement and Instrumen-
tation applications the CotoMOS® relay is capable of handling 40V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT326/CS326 Features
u
Contact Form: 2a
u
Load Voltage: 40V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 2.0A Maximum
u
On-Resistance: 0.5Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux -H for I/O Breakdown Voltage: 5000Vrms Minimum
CS326CT326
0.020(0.5)
0.100(2.54)
0.300(7.62)
0.020(0.5)
0.162(4.1)
.118(3.0)
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.047(1.2)
0.252(6.4)
0.398(10.1)Max.
IDENTIFIES PIN #1
0.134(3.4)
0.154(3.9)Max.
0.004(0.1)
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
0.047(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.300(7.62)
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
CT326/CS326
®
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 51
CT326/CS326 MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 40V (AC peak or DC)
Load Current ILA2.0A
Peak Load Current IPeak A3.5A
Output Power Dissipation POut mW 600mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 650mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT326/CS326 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.37 1.5
Operation LED Current IF On mA 0.5 3.0
Recovery LED Voltage VF Off V 0.5 1.1
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
0.085 0.5
Off-State Leakage Current ILeak VL=40V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 240
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.5 3.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
52 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT330/CS330
e CT330 and CS330 feature current switching capability to 100mA with a low on
resistance of 30Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 400V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT330/CS330 Features
u
Contact Form: 2a
u
Load Voltage: 400V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 100mA Maximum
u
On-Resistance: 30Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux -H for I/O Breakdown Voltage: 5000Vrms Minimum
CS330CT330
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
CT330/CS330
®
0.020(0.5)
0.100(2.54)
0.300(7.62)
0.020(0.5)
0.162(4.1)
.118(3.0)
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.047(1.2)
0.252(6.4)
0.398(10.1)Max.
IDENTIFIES PIN #1
0.134(3.4)
0.154(3.9)Max.
0.004(0.1)
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
0.047(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.300(7.62)
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 53
CT330/CS330 MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 400V (AC peak or DC)
Load Current ILA100mA
Peak Load Current IPeak A0.6A
Output Power Dissipation POut mW 600mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 650mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT330/CS330 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
24 30
Off-State Leakage Current ILeak VL=400V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 115
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.2 1.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
54 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT331/CS331
e CT331 and CS331 feature current switching capability to 110mA with a low on
resistance of 24Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 350V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT331/CS331 Features
u
Contact Form: 2a
u
Load Voltage: 350V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 110mA Maximum
u
On-Resistance: 24Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux -H for I/O Breakdown Voltage: 5000Vrms Minimum
CS331CT331
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
CT331/CS331
®
0.020(0.5)
0.100(2.54)
0.300(7.62)
0.020(0.5)
0.162(4.1)
.118(3.0)
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.047(1.2)
0.252(6.4)
0.398(10.1)Max.
IDENTIFIES PIN #1
0.134(3.4)
0.154(3.9)Max.
0.004(0.1)
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
0.047(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.300(7.62)
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 55
CT331/CS331 MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 350V (AC peak or DC)
Load Current ILA110mA
Peak Load Current IPeak A0.6A
Output Power Dissipation POut mW 600mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 650mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT331/CS331 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
17 24
Off-State Leakage Current ILeak VL=350V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 115
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.2 1.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
56 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT334/CS334
e CT334 and CS334 feature current switching capability to 180mA with a low on
resistance of 8Ω Maximum. Designed for Security, Measurement and Instrumentation
applications the CotoMOS® relay is capable of handling 200V load conditions. If your
requirements are dierent please contact your Coto Applications Engineer for assis-
tance through www.cotorelay.com.
CT334/CS334 Features
u
Contact Form: 2a
u
Load Voltage: 200V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 180mA Maximum
u
On-Resistance: 8Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux -H for I/O Breakdown Voltage: 5000Vrms Minimum
CS334CT334
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
CT334/CS334
®
0.020(0.5)
0.100(2.54)
0.300(7.62)
0.020(0.5)
0.162(4.1)
.118(3.0)
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.047(1.2)
0.252(6.4)
0.398(10.1)Max.
IDENTIFIES PIN #1
0.134(3.4)
0.154(3.9)Max.
0.004(0.1)
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
0.047(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.300(7.62)
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 57
CT334/CS334 MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 200V (AC peak or DC)
Load Current ILA180mA
Peak Load Current IPeak A0.8A
Output Power Dissipation POut mW 600mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 650mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT334/CS334 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
6.0 8.0
Off-State Leakage Current ILeak VL=200V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 130
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.2 1.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
58 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT335/CS335
e CT335 and CS335 feature current switching capability to 80mA with a low on
resistance of 30Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 80V load conditions. If
your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT335/CS335 Features
u
Contact Form: 2a
u
Load Voltage: 80V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 80mA Maximum
u
On-Resistance: 30Ω Maximum
u
Low O-State Leakage Current: 10nA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux -H for I/O Breakdown Voltage: 5000Vrms Minimum
CS335CT335
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
CT335/CS335
®
0.020(0.5)
0.100(2.54)
0.300(7.62)
0.020(0.5)
0.162(4.1)
.118(3.0)
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.047(1.2)
0.252(6.4)
0.398(10.1)Max.
IDENTIFIES PIN #1
0.134(3.4)
0.154(3.9)Max.
0.004(0.1)
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
0.047(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.300(7.62)
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 59
CT335/CS335 MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 80V (AC peak or DC)
Load Current ILA80mA
Peak Load Current IPeak A0.3A
Output Power Dissipation POut mW 450mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 500mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT335/CS335 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
20 30
Off-State Leakage Current ILeak VL=80V nA 10
Output Capacitance COut VL=0V, f=1MHz pF 6.0
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.02 1.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
60 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT337/CS337
e CT337 and CS337 feature current switching capability to 360mA with a low on
resistance of 1.6Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 60V load conditions. If
your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT337/CS337 Features
u
Contact Form: 2a
u
Load Voltage: 60V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 360mA Maximum
u
On-Resistance: 1.6Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux -H for I/O Breakdown Voltage: 5000Vrms Minimum
CS337CT337
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
CT337/CS337
®
0.020(0.5)
0.100(2.54)
0.300(7.62)
0.020(0.5)
0.162(4.1)
.118(3.0)
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.047(1.2)
0.252(6.4)
0.398(10.1)Max.
IDENTIFIES PIN #1
0.134(3.4)
0.154(3.9)Max.
0.004(0.1)
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
0.047(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.300(7.62)
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 61
CT337/CS337 MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 60V (AC peak or DC)
Load Current ILA360A
Peak Load Current IPeak A2.0A
Output Power Dissipation POut mW 600mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 650mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT337/CS337 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
0.8 1.6
Off-State Leakage Current ILeak VL=60V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 195
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.3 1.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
62 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT338/CS338
e CT338 and CS338 feature current switching capability to 70mA with a low on
resistance of 60Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 600V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT338/CS338 Features
u
Contact Form: 2a
u
Load Voltage: 600V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 70mA Maximum
u
On-Resistance: 60Ω Maximum
u
Low O-State Leakage Current: 1.0μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux -H for I/O Breakdown Voltage: 5000Vrms Minimum
CS338CT338
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
CT338/CS338
®
0.020(0.5)
0.100(2.54)
0.300(7.62)
0.020(0.5)
0.162(4.1)
.118(3.0)
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.047(1.2)
0.252(6.4)
0.398(10.1)Max.
IDENTIFIES PIN #1
0.134(3.4)
0.154(3.9)Max.
0.004(0.1)
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
0.047(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.300(7.62)
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 63
CT338/CS338 MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 600V (AC peak or DC)
Load Current ILA70mA
Peak Load Current IPeak A 0.2A
Output Power Dissipation POut mW 600mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 650mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT338/CS338 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
35 60
Off-State Leakage Current ILeak VL=600V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 95
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.1 1.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
64 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT474/CS474
e CT474 and CS474 feature current switching capability to 90mA with a low on
resistance of 50Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 400V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT474/CS474 Features
u
Contact Form: 1b
u
Load Voltage: 400V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 90mA Maximum
u
On-Resistance: 50Ω Maximum
u
Low O-State Leakage Current: 10μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux -H for I/O Breakdown Voltage: 5000Vrms Minimum
CS474CT474
CT474/CS474
®
0.047(1.2)
0.252(6.4)
0.358(9.1)Max.
0.020(0.5)
0.162(4.1)
0.118(3.0)
IDENTIFIES PIN #1
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.470(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.200(5.08)
0.358(9.1)Max.
0.134(3.4)
0.154(3.9)Max
.
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
IDENTIFIES PIN #1
TERMINAL IDENTIFICATION
654
1
23
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3: NC
4,6: Drain (MOS FET)
5: Source (MOS FET)
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 65
CT474/CS474 MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 400V (AC peak or DC)
Load Current ILA90mA
Peak Load Current IPeak A0.6A
Output Power Dissipation POut mW 450mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 500mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT474/CS474 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=10mA, IL=Rating
Time to flow is within 1 sec.
Ω
30 50
Off-State Leakage Current ILeak VL=400V
μ
A10
Output Capacitance COut VL=0V, f=1MHz pF 165
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.35 2.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
66 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT674/CS674
e CT674 and CS674 feature current switching capability to 80mA with a low on
resistance of 50Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 400V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CT674/CS674 Features
u
Contact Form: 2b
u
Load Voltage: 400V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 80mA Maximum
u
On-Resistance: 50Ω Maximum
u
Low O-State Leakage Current: 10μA Maximum
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux -H for I/O Breakdown Voltage: 5000Vrms Minimum
CS674CT674
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
CT674/CS674
®
0.020(0.5)
0.100(2.54)
0.300(7.62)
0.020(0.5)
0.162(4.1)
.118(3.0)
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.047(1.2)
0.252(6.4)
0.398(10.1)Max.
IDENTIFIES PIN #1
0.134(3.4)
0.154(3.9)Max.
0.004(0.1)
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
0.047(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.300(7.62)
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 67
CT674/CS674 MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 400V (AC peak or DC)
Load Current ILA80mA
Peak Load Current IPeak A0.6A
Output Power Dissipation POut mW 600mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 650mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT674/CS674 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=10mA, IL=Rating
Time to flow is within 1 sec.
Ω
30 50
Off-State Leakage Current ILeak VL=400V
μ
A10
Output Capacitance COut VL=0V, f=1MHz pF 165
TRANSMISSION
Turn-On Time TOn IF=10mA, IL=Rating ms 0.35 2.0
Turn-Off Time TOff ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
68 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS CT774/CS774
e CT774 and CS774 feature current switching capability to 80/100mA with a
low on resistance of 30/50Ω Maximum. Designed for Security, Measurement and
Instrumentation applications the CotoMOS® relay is capable of handling 400V load
conditions. If your requirements are dierent please contact your Coto Applications
Engineer for assistance through www.cotorelay.com.
CT774/CS774 Features
u
Contact Form: 1a+1b
u
Load Voltage: 400V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: 100mA Maximum (NO) 80mA Maximum (NC)
u
On-Resistance: 30Ω Maximum (NO) 50Ω Maximum (NC)
u
Low O-State Leakage Current: 1.0μA Maximum (NO) 10μA Maximum (NC)
u
I/O Breakdown Voltage: 1500Vrms Minimum
u
Sux -H for I/O Breakdown Voltage: 5000Vrms Minimum
CS774CT774
TERMINAL IDENTIFICATION
8
NC NO
765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
CT774/CS774
®
0.020(0.5)
0.100(2.54)
0.300(7.62)
0.020(0.5)
0.162(4.1)
.118(3.0)
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.047(1.2)
0.252(6.4)
0.398(10.1)Max.
IDENTIFIES PIN #1
0.134(3.4)
0.154(3.9)Max.
0.004(0.1)
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
0.047(1.2)
0.252(6.4)
0.020(0.5)
0.100(2.54)
0.300(7.62)
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 69
CT774/CS774 MAXIMUM RATINGS 
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 400V (AC peak or DC)
Load Current ILA 100mA (NO) 80mA (NC)
Peak Load Current IPeak A0.4A
Output Power Dissipation POut mW 600mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 650mW
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
CT774/CS774 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5
OUTPUT
On-Resistance Drain to Drain ROn IF=1mA(NO), IL=Rating
Time to flow is within 1 sec.
Ω
24(NO)
30(NC)
30(NO)
50(NC)
Off-State Leakage Current ILeak IF=0mA (NO), IF=5mA (NC),
VL=400V
μ
A1(NO)
10(NC)
Output Capacitance COut IF=0mA (NO), IF=5mA (NC),
VL=0V, f=1MHz pF 115(N O)
165(NC)
TRANSMISSION
Turn-On Time TOn IF=0mA → 10mA (NC), IF=Rating ms 0.2(NO)
0.35(NC) 2.0
Turn-Off Time TOff IF=10mA → 0mA (NC), IL=Rating ms 0.05 1.0
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.
70 | page tel: (401) 943.2686 | fax: (401) 942.0920
DIMENSIONS
in Inches (Millimeters)
CotoMOS C238S/C338S
When small size and high performance are needed, the SOP package, such as the
C238S or C338S, is the industry choice. Both the C238S and the C338S feature low
on resistance fast turn on time. In addition, the C338S oers two fully-independent
form A channels for further space savings. Both relays are ideally suited to the needs
of Test and Measurement, Industrial, and Telecommunications.
C238S/C338S Features
u
Contact Form: C238S: 1a / C338S: 2a
u
Load Voltage: 600V Maximum
u
Operation LED Current: 3.0mA Maximum
u
Load Current: C238S: 70mA Maximum / C338S: 60mA Maximum
u
On-Resistance: 60Ω Maximum
u
Output Capacitance: 95pF Typical
u
Low O-State Leakage Current: 1.0μA Maximum
C338SC238S
TERMINAL IDENTIFICATION
43
12
(+) (-)
1: Anode (LED)
2: Cathode (LED)
3,4: Drain (MOSFET)
TERMINAL IDENTIFICATION
8765
1234
(+) (-) (+) (-)
1,3: Anode (LED)
2,4: Cathode (LED)
5,6,7,8: Drain
(MOSFET)
C238S/C338S
®
0.016(0.4)
0.173(4.4)
0.100(2.54)
0.181(4.6) Max.
0.079(2.0)
0.100(2.55)Max.
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
0.006(0.15)
IDENTIFIES PIN #1
0.100(2.54)
0.016(0.4)
0.300(7.62)
0.173(4.4)
0.382(9.7) Max.
0.079(2.0)
0.100(2.55)Max.
0.006(0.15)
0.200(0.5)
0.006(0.15)
0.280(7.1)Max.
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 71
C238S/C338S MAXIMUM RATINGSAmbient Temperature: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 500mA
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 75mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 600V (AC peak or DC)
Load Current ILA 70mA (1Ch) / 60mA (2Ch)
Peak Load Current IPeak A200mA
Output Power Dissipation POut mW 300mW (1Ch) / 450mW (2Ch)
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 350mW (1Ch) / 500mW (2Ch)
I/O Breakdown Voltage VI/O V1500Vrms
Operating Temperature TOpr -40ºC ~ +85ºC
Storage Temperature TStg -40ºC ~ +100ºC
C238S/C338S ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
INPUT
LED Forward Voltage VFIF=10mA V1.0 1.17 1.5
Operation LED Current IF On mA 0.9 3.0
Recovery LED Voltage VF Off V 0.5 1.0
OUTPUT
On-Resistance Drain to Drain ROn IF=5mA, IL=Rating
Time to flow is within 1 sec.
Ω
35 60
Off-State Leakage Current ILeak VL=600V
μ
A1.0
Output Capacitance COut VL=0V, f=1MHz pF 95
TRANSMISSION
Turn-On Time TOn IF=5mA, IL=Rating (for SOP type) ms 0.2 0.5
Turn-Off Time TOff ms 0.05 0.2
COUPLED
I/O Insulation Resistance RI/O
Ω
109
I/O Capacitance CI/O f=1MHz pF 1.3
Environmental Ratings:
Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C.
All electrical parameters measured at 25° C unless otherwise specied.