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VS-VSKDS440 Datasheet, PDF (4/7 Pages) Vishay Siliconix – Low forward voltage drop
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VS-VSKDS440/030
Vishay Semiconductors
160
Square wave (D = 0.50)
80 % rated VR applied
120
DC
80
200
150 D = 0.75
D = 0.50
D = 0.33
D = 0.25
100 D = 0.20
RMS limit
40
see note (1)
0
0 100 200 300 400 500 600
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
50
DC
0
0
50 100 150 200 250 300
IF(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
100 000
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
10 000
1000
10
100
1000
10 000
tp - Square Wave Pulse Duration (μs)
Fig. 7 - Maximum Non-Repetitive Surge Current
D.U.T.
Current
monitor
L
IRFP460
Rg = 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 = IF(AV) x VFM at (IF(AV)/D) (see fig. 6);
PdREV = inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated VR
Revision: 19-Mar-14
4
Document Number: 94644
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