VS-VSKT71.., VS-VSKH71.., VS-VSKL71.., VS-VSKN71.. Series
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Vishay Semiconductors
Revision: 21-Mar-14
4
Document Number: 94631
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Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
Fig. 3 - On-State Power Loss Characteristics
Fig. 4 - On-State Power Loss Characteristics
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitive Surge Current
Average on-state current (A)
Maximum allowable case temperature (°C)
0 1020304050607080
70
80
90
100
110
120
130
180°
120°
90°
60°
30°
RthJC (DC) = 0.29°C/W
0 20406080100120
70
80
90
100
110
120
130
180°
120°
90°
60°
30°
DC
RthJC (DC) = 0.29°C/W
Average on-state current (A)
Maximum allowable case temperature (°C)
Average on-state current (A)
Maximum average on-state power loss (W)
0 1020304050607080
0
20
40
60
80
100
120
140
180°
120°
90°
60°
30°
RMS limit
Per leg, Tj = 125°C
Average on-state current (A)
Maximum average on-state power loss (W)
020406080100120
0
20
40
60
80
100
120
140
160
180
180°
120°
90°
60°
30°
RMS limit
DC
Per leg, Tj = 125°C
Peak half sine wave on-state current (A)
Number of equal amplitude half cycle current pulses (N)
110100
500
600
700
800
900
1000
1100
1200
At any rated load condition and with
rated Vrrm applied following surge
Initial Tj = Tj max
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100s
Per leg
Peak half sine wave on-state current (A)
Pulse train duration (s)
0.01 0.1 1
400
600
800
1000
1200
1400
Maximum Non-repetitive Surge Current
Versus Pulse Train Duration. Control
of conduction may not be maintained.
Initial Tj = 125°C
No Voltage Reapplied
Rated Vrrm reapplied
Per leg
