Diodes B0540WS User Manual
B0540ws, Features, Mechanical data
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
θJA
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.