SBR40U120CT
Document number: DS31584 Rev. 4 - 2
2 of 4
www.diodes.com
September 2011
? Diodes Incorporated
SBR40U120CT
SBR is a registered trademark of Diodes Incorporated.
Maximum Ratings (Per Leg) @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
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VRM
120 V
Average Rectified Output Current (Per Leg)
(Total)
IO
20
40
A
Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load
IFSM
300 A
Thermal Characteristics (Per Leg)
Characteristic Symbol Value Unit
Typical Thermal Resistance Junction to Case (Note 4)
RθJC
2.0 oC/W
Operating and Storage Temperature Range
TJ, TSTG
-65 to +150
oC
Electrical Characteristics (Per Leg)
@TA
= 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Forward Voltage Drop (per leg)
VF
-
-
-
-
0.86
0.71
V
IF
= 20A, T
J
= 25oC
IF
= 20A, T
J
= 125oC
Leakage Current (Note 5)
IR
-
-
-
-
0.5
40
mA
VR
= 120V, T
J = 25oC
VR
= 120V, T
J = 125oC
Notes: 4. Device mounted on heatsink, (Black Aluminum, 37mm x 50mm x 15mm).
5. Short duration pulse test used to minimize self-heating effect.
0.001
0 200 400 600 800 1,000
0.01
0.1
1
T = 125°CA
10
100
Fig.1 Typical Forward Characteristics
V , INSTANTANEOUS FORWARD VOLTAGE (mV)F
I , INSTANTANEOUS FORWARD CURRENT (A)
F
T = -55°CA
T = 25°CA
T = 150°CA
T = 85°CA
020406080100120
I , INS
T
AN
T
ANE
O
U
S
R
EVE
R
SE
C
U
R
R
EN
T
(μA)
R
Fig. 2 Typical Reverse Characteristics
V , INSTANTANEOUS REVERSE VOLTAGE (V)R
T = -55°CA
T = 25°CA
T = 85°CA
T = 125°CA
T = 150°CA
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