B0540WS
Document number: DS30524 Rev. 8 - 2
1 of 3
www.diodes.com
May 2008
© Diodes Incorporated
B0540WS
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Features
• Low Forward Voltage Drop
• Guard Ring Construction for Transient Protection
• High Conductance
• Lead Free By Design/RoHS Compliant (Note 3)
• "Green" Device (Note 4)
Mechanical Data
• Case: SOD-323
• Case Material: Molded Plastic, "Green" Molding Compound.
UL Flammability Rating Classification 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Polarity: Cathode Band
• Terminals: Finish - Matte Tin Annealed Over Alloy 42
leadframe. Solderable per MIL-STD-202, Method 208
• Marking Information: See Page 2
• Ordering Information: See Page 2
• Weight: 0.004 grams (approximate)
Top View
Maximum Ratings @T
A
= 25°C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
40 V
RMS Reverse Voltage
V
R(RMS)
28 V
Average Rectified Output Current
I
O
0.5 A
Non-Repetitive Peak Forward Surge Current
8.3ms single half sine-wave superimposed on rated load
I
FSM
3 A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 1)
P
D
235 mW
Typical Thermal Resistance Junction to Ambient (Note 1)
R
θ
JA
426
°C/W
Operating and Storage Temperature Range
T
J,
T
STG
-40 to +125
°C
Electrical Characteristics @T
A
= 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 2)
V
(BR)R
40
⎯ ⎯
V
I
R
= 1mA
Forward Voltage
V
F
⎯
285
480
300
550
mV
I
F
= 10mA
I
F
= 500mA
Reverse Current (Note 2)
I
R
⎯
⎯
1.0
2.0
3
5
μA
μA
V
R
= 10V
V
R
= 30V
Total Capacitance
C
T
⎯
⎯
125
20
⎯
⎯
pF
pF
V
R
= 0V, f = 1.0MHz
V
R
= 10V, f = 1.0MHz
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.
4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
Please click here to visit our online spice models database.
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