403CMQ100 Datasheet, PDF (4/7 Pages) Vishay Siliconix – Schottky Rectifier, 400 A

403CMQ100
Vishay High Power Products ^{Schottky Rectifier, 400 A}
200
160
DC
120
80
Square wave (D = 0.50)
Rated VR applied
40
see note (1)
0
0
100
200
300
AverageForwardCurrent-I _F(AV)(A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
100000
200
D = 0.20
D = 0.25
D = 0.33
150 _{D = 0.50}
D = 0.75
RMS Limit
DC
100
50
0
0 50 100 150 200 250 300
Average Forward Current - I _F(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
10000
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
1000
10
100
1000
10000
SquareWavePulseDuration-t _p(microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current
D.U.T.
Current
monitor
L
IRFP460
R_g = 25 Ω
High-speed
switch
Freewheel
diode
+ ^{Vd = 25 V}
40HFL40S02
Fig. 8 - Unclamped Inductive Test Circuit
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 = 80 % rated V_R
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4
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Document Number: 93055
Revision: 19-Nov-09