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SBR3045CTB
Document number: DS31665 Rev.4 - 2
2 of 4
www.diodes.com
January 2012
? Diodes Incorporated
SBR3045CTB
SBR is a registered trademark of Diodes Incorporated.
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
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VRM
45 V
Average Rectified Output Current @ TC
= 150oC
Per Leg
IO
15
30
A
Total
Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load
IFSM
180 A
Repetitive Peak Avalanche Power (1μs, 25oC)
PARM
7000 W
Thermal Characteristics
Characteristic Symbol Value Unit
Typical Thermal Resistance Junction to Case (per leg)
RθJC
2 °C/W
Operating and Storage Temperature Range
TJ, TSTG
-65 to +150 oC
Electrical Characteristics
@TA
= 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Forward Voltage Drop (per leg)
VF
- - 0.70
- - 0.66 V
IF
= 15A, T
J
= 25oC
IF
= 15A, T
J
= 125oC
Leakage Current (Note 3)
IR
- - 0.5
- - 80 mA
VR
= 45V, T
J
= 25oC
VR
= 45V, T
J
= 125oC
Notes: 3. Short duration pulse test used
to minimize self-heating effect.
0.00010 0.2 0.4 0.6 0.8
V , INSTANTANEOUS FORWARD VOLTAGE (V)F
Fig. 1 Typical Forward Characteristics, Per Element
0.001
0.01
0.1
1
10
100
I , INS
T
AN
T
ANE
O
U
S
F
O
R
WA
R
D
C
U
R
R
EN
T
(A)
F
T = 25oCA
T = 85oCA
T = 125oCA
0 5 10 15 20 25 30 35 40 45
I, I
N
S
T
A
N
T
A
N
E
O
U
S
R
EVE
R
SE
C
U
R
R
E
N
T
(μA)
R
1
10
100
1,000
10,000
100,000
V , INSTANTANEOUS REVERSE VOLTAGE (V)R
Fig. 2 Typical Reverse Characteristics, Per Element
T = 25oCA
T = 85oCA
T = 125oCA
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