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VS-MBRB4045CT-M3 Datasheet, PDF (4/8 Pages) Vishay Siliconix – Low forward voltage drop
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VS-MBRB4045CT-M3, VS-MBR4045CT-1-M3
Vishay Semiconductors
160
140
DC
120
Square wave (D = 0.50)
Rated VR applied
100
See note (1)
80
0
5
10
15
20
25 30
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
20
D = 0.75
18
D = 0.50
16
D = 0.33
14
D = 0.25
D = 0.20
12
RMS limit
10
8
6
4
DC
2
0
0
5 10 15 20 25 30 35
IF(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
1000
At any rated load condition
and with rated VRRM applied
following surge
100
10
100
1000
10 000
tp - Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
Note
(1) Formula used: TC = TJ - (Pd + PdREV) x RthJC;
Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6); 
PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = Rated VR
Revision: 03-Mar-14
4
Document Number: 94955
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