MBR4045CT View Datasheet(PDF) - Vishay Semiconductors
Part Name
Description
MFG CO.
MBR4045CT Datasheet PDF : 6 Pages
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MBRB4045CTPbF/MBR4045CT-1PbF
Vishay High Power Products Schottky Rectifier, 2 x 20 A
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
1000
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
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
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4
For technical questions, contact: diodes-tech@vishay.com
Document Number: 94311
Revision: 14-Aug-08
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