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 BAT54WS
SURFACE MOUNT SCHOTTKY BARRIER DIODE
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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 = 25C unless otherwise specified Symbol VRRM VRWM VR VR(RMS) IO IF IFRM IFSM Value 30 21 100 200 300 600 Unit V V mA mA mA mA
Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Average Rectified Forward Current Forward Continuous Current (Note 1) Repetitive Peak Forward Current (Note 1) Forward Surge Current (Note 1) .
@ t < 1.0s
Thermal Characteristics
Characteristic Power Dissipation (Note 1) Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range (Note 4) Symbol PD RJA TJ, TSTG Value 200 625 -65 to +150 Unit mW C/W C
Electrical Characteristics
Characteristic Reverse Breakdown Voltage (Note 2)
@TA = 25C unless otherwise specified Symbol V(BR)R Min 30 Typ Max 240 320 400 500 1000 2.0 10 5.0 Unit V Test Condition IR = 100A IF = 0.1mA IF = 1mA IF = 10mA IF = 30mA IF = 100mA VR = 25V VR = 1.0V, f = 1.0MHz IF = 10mA through IR = 10mA to IR = 1.0mA, RL = 100
Forward Voltage
VFM IRM CT trr
mV
Reverse Leakage Current (Note 2) Total Capacitance Reverse Recovery Time
Notes:


A pF ns
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. d Ptot > 1 thermal runaway condition for a diode on its own heatsink. d TJ RJA 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.
BAT54WS
Document number: DS30098 Rev. 11 - 2
1 of 3 www.diodes.com
August 2008
(c) Diodes Incorporated
BAT54WS
IF, INSTANTANEOUS FORWARD CURRENT (A) 1
100
0.1
10
1
TA = 125C
0.01
TA = 75C TA = 25C TA = 0C
0.1
0.001
0.01
T A = -40C
0.0001
0.001
0.4 1.0 0.2 0.8 0 0.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics
1,000
f = 1.0MHz
0
5
10
15
20
25
30
VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 2 Typical Reverse Characteristics
12
VR = 25V
CT, TOTAL CAPACITANCE (pF)
IR, LEAKAGE CURRENT (A)
10
100
8
6
10
4
1
2 0.1 0 15 20 25 10 30 VR, DC REVERSE VOLTAGE (V) Fig. 3 Total Capacitance vs. Reverse Voltage 5 0 50 100 TJ, JUNCTION TEMPERATURE (C) Fig. 4 Typical Reverse Characteristics 150
0
PD, POWER DISSIPATION (mW)
200
100
0
0
25 50 75 100 125 TA, AMBIENT TEMPERATURE (C) Fig. 5 Power Derating Curve
150
BAT54WS
Document number: DS30098 Rev. 11 - 2
2 of 3 www.diodes.com
August 2008
(c) Diodes Incorporated
BAT54WS Ordering Information
Part Number BAT54WS-7-F
Notes:
(Note 6) Case SOD-323 Packaging 3000/Tape & Reel
6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
L9 = Product Type Marking Code
L9
Package Outline Dimensions
C H
B
A
M L
K
J
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 0 8 All Dimensions in mm
Suggested Pad Layout
C
X
Dimensions Value (in mm) Z 3.75 G 1.05 X 0.65
Y
C
Y G Z
1.35 2.40
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.
BAT54WS
Document number: DS30098 Rev. 11 - 2
3 of 3 www.diodes.com
August 2008
(c) Diodes Incorporated


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