VS-VSKU41.., VS-VSKV41.., VS-VSKU56.., VS-VSKV56.. Series
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Vishay Semiconductors
Revision: 24-Mar-14
4
Document Number: 94653
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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 1020304050
80
90
100
110
120
130
180°
120°
90°
60°
30°
VSK.41 Series
RthJC (DC) = 0.44°C/W
0 1020304050607080
70
80
90
100
110
120
130
180°
120°
90°
60°
30°
DC
VSK.41 Series
RthJC (DC) = 0.44 °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 5 10 15 20 25 30 35 40 45 50
0
10
20
30
40
50
60
70
80
180°
120°
90°
60°
30°
RMS limit
VSK.41 Series
Per leg, Tj = 125°C
Average on-state current (A)
Maximum average on-state power loss (W)
0 1020304050607080
0
20
40
60
80
100
120
180°
120°
90°
60°
30°
RMS limit
DC
VSK.41 Series
Per leg, Tj = 125°C
Peak half sine wave on-state current (A)
Number of equal amplitude half cycle current pulses (N)
110100
300
400
500
600
700
800
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
300
400
500
600
700
800
900
Maximum Non-repetitive Surge Current
Versus Pulse Train Duration. Control
of conduction may not be maintaned.
Initial Tj = 125°C
No Voltage Reapplied
Rated Vrrm reapplied
Per leg
