B0540WQ Datasheet, PDF (2/5 Pages) Diodes Incorporated – 0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER

Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current (See Figure 4)
Non-Repetitive Peak Forward Surge Current
8.3ms Single Half Sine-Wave Superimposed on Rated Load
Symbol
VRRM
VRWM
VR
VR(RMS)
IO
IFSM
B0540WQ
Value
Unit
40
V
28
V
0.5
A
5.5
A
Thermal Characteristics
Characteristic
Thermal Resistance Junction to Ambient Air (Note 6) TA = +25°C
Thermal Resistance Junction to Ambient Air (Note 7) TA = +25°C
Operating and Storage Temperature Range
Symbol
RθJA
RθJA
TJ, TSTG
Typ
Max
385

325

-65 to +150
Unit
°C/W
°C/W
°C
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Minimum Reverse Breakdown Voltage (Note 8)
Maximum Forward Voltage Drop
Symbol
V(BR)R
VFM
Value
40
0.510
0.620
0.460
0.610
Maximum Leakage Current (Note 8)
Total Capacitance
10
20
IRM
5.0
13
CT
170
Notes:
6. FR-4 PCB, minimum recommended pad layout per http://www.diodes.com/package-outlines.html.
7. Polymide PCB, minimum recommended pad layout per http://www.diodes.com/package-outlines.html.
8. Short duration pulse test used to minimize self-heating effect.
Unit
V
V
A
mA
pF
Test Conditions
IR = 20A
IF = 0.5A, TJ = +25°C
IF = 1.0A, TJ = +25°C
IF = 0.5A, TJ = +100°C
IF = 1.0A, TJ = +100°C
VR = 20V, TJ = +25°C
VR = 40V, TJ = +25°C
VR = 20V, TJ = +100°C
VR = 40V, TJ = +100°C
f = 1MHz, VR = 0V
B0540WQ
Document number: DS38491 Rev. 3 - 2
2 of 5
www.diodes.com
April 2016
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