VS-240U(R).. Series
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Vishay Semiconductors
Revision: 27-Jun-14
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Document Number: 93504
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Fig. 5 - Maximum Non-Repetitive Surge Current Fig. 6 - Maximum Non-Repetitive Surge Current
Fig. 7 - Forward Voltage Drop Characteristics
Fig. 8 - Thermal Impedance Z
thJC
Characteristic
Number Of Equal Amplitude
Half Cycle Current Pulses (N)
Peak Half Sine Wave Forward Current (A)
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
1 10 100
Per Junction
At Any Rated Load Condition And With
Rated Vrrm Applied Following Surge.
Initial Tj = 180 °C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
Peak Half Sine Wave Forward Current (A)
Pulse Train Duration (s)
2000
2500
3000
3500
4000
4500
5000
0.01 0.1 1
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration. Control
Per Junction
Of Conduction May Not Be Maintained.
Initial T j = 180 °C
No Voltage Reapplied
Rated Vrrm Reapplied
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
10
100
1000
10 000
0.5 1 1.5 2 2.5 3 3.5
Tj = 25°C
Tj = 180 °C
t
-
Square Wave Pulse Duration (s)
Z
thJC
-
Transient Thermal Impedance (K/W)
0.001
0.01
0.1
1
0.0001 0.001 0.01 0.1 1 10
Steady State Value
R
thJC
per junction = 0.18 K/W
DC Operation)
