Features
■ Cost-effective R-C construction
■ Insulation resistance testing for reliability
■ Molded surface mount or DIP packaging
■ Compatible with automatic assembly
equipment
■ Custom value capability
■ RoHS compliant version available
(“L” part number suffi x)
For information on EMI/RFI Filters, download
Bourns’ EMI/RFI Filters Application Note.
601 Series - RC Network T-Filters
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specifi c applications.
*RoHS COMPLIANT
VERSIONS
AVAILABLE
General Description
Continual advances in digital IC technology are creating stringent demands on EMI/RFI
levels in equipment.
EMI/RFI low pass fi lters are required in personal computers, data terminals, test
equipment and process controllers for high frequency suppression into or out of
electronic equipment.
Electrical Specifi cations - Resistors
Standard Resistance Range* ...........................................................10 ohms - 100 ohms
Series Resistance Tolerance ................................................................................. ±10 %
Temperature Coeffi cient of Resistance ....................................................... ±300 ppm/°C
Operating Voltage ................................................................................ 25 volts maximum
Operating Temperatures ....................................................................... +10 °C to +85 °C
*Other Resistance Values Available, 10 ohms - 1 megohm
Electrical Specifi cations - Capacitors
Standard Capacitance Range ................................................................ 50 pF to 200 pF
Capacitance Tolerance ........................................................................................... ±30 %
Temperature Characteristic .......................................................................................Z5U
Operating Temperatures ........................................................................ +10 °C to +85 °C
Voltage Rating ...................................................................................................... 25 volts
Dielectric Withstand Voltage ...............................................................2.5 x rated voltage
Insulation Resistance ........................................................... 10,000 megohms minimum
Environmental Specifi cations - Resistors
∆R MAXIMUM
Thermal Shock ..................................................................................................... ±0.5 %
Resistance to Solder Heat .................................................................................... ±0.5 %
Terminal Strength ................................................................................................. ±0.5 %
Mechanical Specifi cations
Flammability ..................................................................................Conforms to UL94 V-0
Leadframe .................................................................................... Copper, solder coated
Body Material............................................................................................ Epoxy/Novolac
Lead Solderability .................................Meet requirements of MIL-STD-202 Method 208
Product Dimensions
For Standard Values Used in Capacitors, Inductors, and Resistors, click here.
4420P
.432 ± .056
(.017 ± .002)
.940 + .355
(.037 ± .014)
8° MAX.
7.493 ± .076
(.295 ± .003)
10.34 ± .25
(.407 ± .010)
TYP.
12.95 ± .07
(.510 ± .003)
1.27 ± .076
(.050 ± .003*)TYP.
.127 + .127/ - .000
(.005 + .005/ - .000)
2.65
(.104) MAX.
.305 + .000/ - .076
(.012 + .000/ - .003)
PIN #1 REF.
4118R AND 4120R
.635
(.025)
MAX.
27.05
(1.065)
MAX.
24.51
(.965)
TYP.
.89 ± .25
(.035 ± .010)
4.57 + .12/ - .28
(.180 + .005/ - .011)
MAX.
8.40
(.331)
3.43 + .38/ - .25
(.135 + .015/ - .010)
2.03 ± .12
(.080 ± .005)
2.54 ± .25
(.100 ± .010*)
TYP.
NON-ACCUM.
1.65 + .12/ - .07
(.065 + .005/ - .003)
.438 ± .050
(.019 ± .002)TYP.
7.87 ± .25
(.310 ± .010)
TO OUTSIDE
WHEN PINS
ARE PARALLEL
6.71 ± .10
(.264 ± .004)
.76 ± .25
(.030 ± .010)
.254 ± .050
(.010 ± .002)
8.64 ± .50
(.340 ± .020)
Governing dimensions are metric. Dimensions in parentheses
are inches and are approximate.
*Terminal centerline to centerline measurements made at point of
emergence of the lead from the body.
0dB
+5dB
-5dB
-10dB
-15dB
-20dB
-25dB
-30dB
-35dB
-40dB
DC 100Hz 1kHz 10kHz .1MHz 1MHz 10MHz 100MHz 1GHz
200pF
50pF
A
ttenuation vs. Frequency
Model 4120R-601-250/500
Model 4420-601-250/500
50pF - 3dB @ 84 MHz
A
ttenuation vs. Frequency
Model 4120R-601-250/201
Model 4420P-601-250/201
200pF - 3dB @ 21 MHz
indicates - 3dB rolloff frequency (f )
c
Specifi cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specifi c applications.
601 Series - RC Network T-Filters
REV. 09/14
Attenuation Vs. Frequency - Typical Capacitor Values With R= 25 Ohms
These low-pass fi lters are ideal for installation between I/O drivers and RS 232
connectors.
Insert RC/CC Code from table below to
form part number.
RCRCCC
250 25 500 50 pF
270 27 101 100 pF
470 47 181 180 pF
820 82 201 200 pF
101 100
Typical Circuit
11
R
10
20
1
R
C
R
4120R-601-RC/CC
4420R-601-RC/CC How To Order EMI/RFI Filter Networks
44 20 P - 601 - RC/CC __
Model Terminations
(44 = SMD SOIC Pkg) L = RoHS compliant (tin-plated)
(41 = Molded DIP) Blank = Tin-lead plated
Number of Pins Resistance/Capacitance Code
• First 2 digits are signifi cant
• Third digit represents the
Physical Confi guration number of zeros to follow
P = Surface Mount Device (SMD)
R = Molded DIP Electrical Confi guration
For tube packaging, use code
“T06”
Consult factory for values not listed.
Packages Available
4420P-601-*RC/CC-SMD
4120R-601-*RC/CC-DIP
4118R-601-*RC/CC-DIP
*First two digits are signifi cant. Third digit
represents the number of zeros to follow.
Seven circuits in an 18-pin package.
Eight circuits in a 20-pin package.
