DS30524 Rev. 6 - 2 1 of 3 B0540WS
www.diodes.com ã Diodes Incorporated
B0540WS
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Features
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
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
40 V
RMS Reverse Voltage VR(RMS) 28 V
Average Rectified Output Current IO0.5 A
Non-Repetitive Peak Forward Surge Current
8.3ms single half sine-wave superimposed on rated load IFSM 3A
Power Dissipation (Note 1) Pd235 mW
Typical Thermal Resistance Junction to Ambient (Note 1) RqJA 426 °C/W
Operating and Storage Temperature Range Tj, TSTG -40 to +125 °C
·Low Forward Voltage Drop
·Guard Ring Construction for
Transient Protection
·High Conductance
·Lead Free By Design/RoHS Compliant (Note 3)
·"Green" Device (Note 4)
·Case: SOD-323
·Case Material: Molded Plastic, "Green" Molding Compound.
UL Flammability Rating Classification 94V-0
·Moisture Sensitivity: Level 1 per J-STD-020C
·Polarity: Cathode Band
·Terminals: Finish - Matte Tin annealed over Alloy 42
leadframe. Solderable per MIL-STD-202, Method 208
·Marking: Type Code and Cathode Band Type Code: SF
·Weight: 0.004 grams (approximate)
Mechanical Data
Electrical Characteristics @ TA = 25°C unless otherwise specified
SOD-323
Dim Min Max
A2.30 2.70
B1.60 1.80
C1.20 1.40
D1.00 1.10
E0.25 0.35
G0.20 0.40
H0.10 0.15
J0.05 Typical
a0°8°
All Dimensions in mm
Note: 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 test pulse 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.
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 2) V(BR)R 40 ¾ ¾ VIR = 1mA
Forward Voltage VF¾285
480
300
550 mV IF = 10mA
IF = 500mA
Reverse Current (Note 2) IR¾
¾
1.0
2.0
3
5
mA
mA
VR = 10V
VR = 30V
Total Capacitance CT¾
¾
125
20
¾
¾
pF
pF
VR = 0V, f = 1.0MHz
VR = 10V, f = 1.0MHz