B140WS
Maximum Ratings (@TA = +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
VRRM
Working Peak Reverse Voltage
DC Blocking Voltage
VRWM
40
V
VR
RMS Reverse Voltage
VR(RMS)
28
V
Average Rectified Output Current
IO
1
A
Non-Repetitive Peak Forward Surge Current
8.3ms single half sine-wave superimposed on rated load
IFSM
3
A
Thermal Characteristics
Characteristic
Power Dissipation (Note 5)
Typical Thermal Resistance Junction to Ambient (Note 5)
Operating and Storage Temperature Range
Symbol
PD
RθJA
TJ, TSTG
Value
235
426
-40 to +125
Unit
mW
°C/W
°C
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Reverse Breakdown Voltage (Note 6)
Forward Voltage
Reverse Current (Note 6)
Total Capacitance
Symbol
V(BR)R
VF
IR
CT
Min
Typ
Max
40
⎯
⎯
⎯
0.54 0.62
⎯
2.0
50
⎯
125
⎯
⎯
20
⎯
Unit
Test Condition
V
IR = 1mA
V
IF = 1A
μA VR = 40V
pF VR = 0V, f = 1.0MHz
pF VR = 10V, f = 1.0MHz
Notes:
5. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com.
6. Short duration pulse test used to minimize self-heating effect.
7. d PTDT / d TJ < 1/RθJA
1
TA = 125°C
0.1
TA = 85°C
0.01
0.001
TA = 25°C
TA = -55°C
0.0001
0.00001
0.000001
0 100 200 300 400 500 600 700
VT, INSTANTANEOUS FORWARD VOLTAGE (mV)
Figure 1 Typical Forward Characteristics
10,000
1,000
100
10
TA = 125°C
TA = 75°C
1
TA = 25°C
0.1
0.01
0.001
TA = -55°C
0.0001
0 5.0 10 15 20 25 30 35 40
VR, INSTANTANEOUS REVERSE VOLTAGE (V)
Figure 2 Typical Reverse Characteristics
B140WS
Document number: DS31543 Rev. 3 - 2
2 of 4
www.diodes.com
August 2012
© Diodes Incorporated