BAT54WS
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
• Fast Switching
• Ultra-Small Surface Mount Package
• PN Junction Guard Ring for Transient and ESD Protection
• Lead, Halogen and Antimony Free, RoHS Compliant
• "Green" Device (Notes 3 and 5)
Mechanical Data
• Case: SOD-323
• Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Leads: Solderable per MIL-STD-202, Method 208
• Also Available in Lead Free Plating (Matte Tin Finish annealed
over Alloy 42 leadframe). Polarity: Cathode Band
• Marking Information: See Page 3
• Ordering Information: See Page 3
• Weight: 0.004 grams (approximate)
Top View
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR 30 V
RMS Reverse Voltage VR(RMS) 21 V
Average Rectified Forward Current IO 100 mA
Forward Continuous Current (Note 1) IF 200 mA
Repetitive Peak Forward Current (Note 1) IFRM 300 mA
Forward Surge Current (Note 1) @ t < 1.0s IFSM 600 mA
.
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 1) PD 200 mW
Thermal Resistance, Junction to Ambient Air (Note 1) RθJA 625 °C/W
Operating and Storage Temperature Range (Note 4) TJ, TSTG -65 to +150 °C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 2) V(BR)R 30 ⎯ ⎯ V IR = 100μA
Forward Voltage
VFM ⎯ ⎯
240
320
400
500
1000
mV
IF = 0.1mA
IF = 1mA
IF = 10mA
IF = 30mA
IF = 100mA
Reverse Leakage Current (Note 2) IRM ⎯ ⎯ 2.0 μA VR = 25V
Total Capacitance CT ⎯ ⎯ 10 pF VR = 1.0V, f = 1.0MHz
Reverse Recovery Time trr ⎯ ⎯ 5.0 ns IF = 10mA through IR = 10mA
to IR = 1.0mA, RL = 100Ω
Notes: 1. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration pulse test used to minimize self-heating effect.
3. No purposefully added lead. Halogen and Antimony Free.
4. > thermal runaway condition for a diode on its own heatsink.
1
RθJA
5. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
d Ptot
d T
J
BAT54WS
Document number: DS30098 Rev. 11 - 2 1 of 3
www.diodes.com August 2008
© Diodes Incorporated
BAT54WS
0.1
0.01
1
0.001
0.0001 01.00.4 0.6 0.8
0.2
I, I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
WA
R
D
C
U
R
R
E
N
T
(A)
F
V , INSTANTAN EOU S FORWARD VOLTAGE (V)
Fig. 1 Ty pi cal For ward Characteristics
F
T = -40ºC
A
T = 125ºC
A
T = 75ºC
A
T = 25ºC
A
T = 0ºC
A
0.001
0.01
0.1
10
1
100
0510152025 30
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
R
0
2
4
10
8
6
12
010 15
520 30
25
C
,
T
O
T
AL
C
A
P
A
C
I
T
AN
C
E (p
F
)
T
V , DC REVERSE VOLTAGE (V)
Fig. 3 Total Capacitance vs. Reverse Voltage
R
f = 1.0MHz
0.1
1
1,000
100
10
050 100 150
T , JUNCTION TEMPERATURE ( C)
Fig. 4 Typical Reverse Characteristics
J
°
V = 25V
R
I , LEAKAGE CURRENT (µA)
R
0
100
0255075100125
P
P
O
WE
R
DISSI
P
A
T
I
O
N
(mW)
D,
T , AMBIENT T EMPERATURE ( C)
Fig. 5 Power Derating Curve
A
°
200
150
BAT54WS
Document number: DS30098 Rev. 11 - 2 2 of 3
www.diodes.com August 2008
© Diodes Incorporated
BAT54WS
Document number: DS30098 Rev. 11 - 2 3 of 3
www.diodes.com August 2008
© Diodes Incorporated
BAT54WS
Ordering Information (Note 6)
Part Number Case Packaging
BAT54WS-7-F SOD-323 3000/Tape & Reel
Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
L9
L9 = Product Type Marking Code
Package Outline Dimensions
Suggested Pad Layout
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages. LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
SOD-323
Dim Min Max
A 0.25 0.35
B 1.20 1.40
C 2.30 2.70
H 1.60 1.80
J 0.00 0.10
K 1.0 1.1
L 0.20 0.40
M 0.10 0.15
α 0° 8°
All Dimensions in mm
K
L
MJ
C
H
BA
Z
X
C
G
Y
Dimensions Value (in mm)
3.75
Z 1.05
G 0.65
X
Y 1.35
C 2.40
