VS-240U(R).. Series
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Vishay Semiconductors
Revision: 27-Jun-14
2
Document Number: 93504
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Note
• The table above shows the increment of thermal resistance R
thJC
when devices operate at different conduction angles than DC
FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current
at case temperature
I
F(AV)
180° conduction, half sine wave
320 A
100 °C
Maximum RMS forward current I
F(RMS)
DC at 80 °C case temperature 500
A
Maximum peak, one cycle forward,
non-repetitive surge current
I
FSM
t = 10 ms
No voltage
reapplied
Sinusoidal half wave,
initial T
J
= T
J
maximum
4500
t = 8.3 ms 4700
t = 10 ms
100 % V
RRM
reapplied
3800
t = 8.3 ms 4000
Maximum I
2
t for fusing I
2
t
t = 10 ms
No voltage
reapplied
101
kA
2
s
t = 8.3 ms 92
t = 10 ms
100 % V
RRM
reapplied
72
t = 8.3 ms 66
Maximum I
2
t for fusing I
2
t t = 0.1 to 10 ms, no voltage reapplied 1010 kA
2
s
Slope resistance r
f
T
J
= T
J
maximum
0.6 m
Threshold voltage V
F(T0)
0.83
V
Maximum forward voltage drop V
FM
I
pk
= 750 A, T
J
= 25 °C, t
p
= 10 ms sinusoidal wave 1.33
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction operating
and storage temperature range
T
J
, T
Stg
-40 to 180 °C
Maximum thermal resistance,
junction to case
R
thJC
DC operation 0.18
K/W
Maximum thermal resistance,
case to heatsink
R
thCS
Mounting surface, smooth, flat and greased 0.08
Maximum allowable mounting torque +0 -20 %
Not lubricated threads 37 (330)
N · m
(lbf · in)
Lubricated threads 28 (250)
Approximate weight 250 g
Case style See dimensions - link at the end of datasheet DO-205AB (DO-9
R
thJC
CONDUCTION
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
180° 0.019 0.015
T
J
= T
J
maximum K/W
120° 0.023 0.025
90° 0.030 0.034
60° 0.045 0.047
30° 0.076 0.076
