VS-VSKDS201 Datasheet, PDF (4/7 Pages) Vishay Siliconix – Vishay Semiconductors

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180
160
140
120
DC
100
80
60
Square wave (D = 0.50)
40 Rated V_R applied
20 _{See note (1)}
0
0
50 100 150 200 250 300
93234_05
I_F(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
10 000
VS-VSKDS201/045
Vishay Semiconductors
120
100
D = 0.75
D = 0.50
80 _{D = 0.33}
D = 0.25
60 ^{D = 0.20}
RMS limit
40
DC
20
0
0 20 40 60 80 100 120 140 160
93234_06
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
1000
10
100
1000
10 000
93234_07
t_p - Square Wave Pulse Duration (µs)
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;ï€} 
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
Revision: 23-May-16
4
Document Number: 93234
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