B140WS
Document number: DS31543 Rev. 3 - 2
2 of 4
www.diodes.com
August 2012
© Diodes Incorporated
B140WS
NEW PRODUCT
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
1 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 5)
P
D
235 mW
Typical Thermal Resistance Junction to Ambient (Note 5)
R
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 6)
V
BR
R
40
⎯ ⎯
V
I
R
= 1mA
Forward Voltage
V
F
⎯
0.54 0.62 V
I
F
= 1A
Reverse Current (Note 6)
I
R
⎯
2.0 50
μA
V
R
= 40V
Total Capacitance
C
T
⎯
⎯
125
20
⎯
⎯
pF
pF
V
R
= 0V, f = 1.0MHz
V
R
= 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 P
TDT
/ d T
J
< 1/R
θJA
Figure 1 Typical Forward Characteristics
0.000001
0.00001
0.0001
0.001
0.01
0.1
1
0 100 200 300 400 500 600 700
V , INSTANTANEOUS FORWARD VOLTAGE (mV)
T
I , INSTANTANEOUS FORWARD CURRENT (A)
F
T = 125C
A
°
T = 85C
A
°
T = 25C
A
°
T = -55C
A
°
0.0001
0.001
0.01
0.1
1
10
100
1,000
10,000
0102025
35 40
155.0 30
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Figure 2 Typical Reverse Characteristics
R
T = 25°C
A
T = 75°C
A
T = 125°C
A
T = 5°C
A
-5
I, INS
AN
ANE
S
EVE
SE
EN
(µA
R
