VSKDS409 Просмотр технического описания (PDF) - Vishay Semiconductors
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VSKDS409 Datasheet PDF : 7 Pages
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VSKDS409/150
Vishay Semiconductors
ADD-A-PAK Generation VII
Power Modules Schottky Rectifier, 200 A
180
160
140
120
DC
100
80
60
Square wave (D = 0.50)
40 80 % rated VR applied
20 See note (1)
0
0
100
200
300
400
500
94649_05
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
100 000
300
250
180°
120°
200
90°
60°
30°
150
RMS limit
100
DC
50
0
0
50 100 150 200 250 300
94649_06
IF(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
At any rated load condition
and with rated VRRM applied
following surge
10 000
1000
10
100
1000
10 000
94649_07 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
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4
For technical questions, contact: indmodules@vishay.com
Document Number: 94649
Revision: 13-Jan-11
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