VS-MBRB4045CTPBF Datasheet, PDF (4/9 Pages) Vishay Siliconix – Schottky Rectifier

VS-MBRB4045CTPbF, VS-MBR4045CT-1PbF
Vishay High Power Products ^{Schottky Rectifier, 2 x 20 A}
160
140
DC
120
Square wave (D = 0.50)
Rated V_R applied
100
See note (1)
80
0
5
10
15
20
25
30
I_F(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
I_F(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
At any rated load condition
and with rated V_RRM applied
following surge
100
10
100
1000
10 000
t_p - 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 = I_F(AV) x V_FM at (I_F(AV)/D) (see fig. 6);
Pd_REV = Inverse power loss = V_R1 x I_R (1 - D); I_R at V_R1 = Rated V_R
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4
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Document Number: 94311
Revision: 16-Mar-10