VS-12F(R) Series
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Vishay Semiconductors
Revision: 16-Nov-15
2
Document Number: 93487
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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
12 A
144 °C
Maximum RMS forward current I
F(RMS)
19 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
265
A
t = 8.3 ms 280
t = 10 ms
100 % V
RRM
reapplied
225
t = 8.3 ms 235
Maximum I
2
t for fusing I
2
t
t = 10 ms
No voltage
reapplied
351
A
2
s
t = 8.3 ms 320
t = 10 ms
100 % V
RRM
reapplied
250
t = 8.3 ms 226
Maximum I
2
t for fusing I
2
t t = 0.1 to 10 ms, no voltage reapplied 3510 A
2
s
Low level value of threshold voltage V
F(TO)1
(16.7 % x x I
F(AV)
< I < x I
F(AV)
), T
J
= T
J
maximum 0.77
V
High level value of threshold voltage V
F(TO)2
(I > x I
F(AV)
), T
J
= T
J
maximum 0.97
Low level value of forward
slope resistance
r
f1
(16.7 % x x I
F(AV)
< I < x I
F(AV)
), T
J
= T
J
maximum 10.70
m
High level value of forward
slope resistance
r
f2
(I > x I
F(AV)
), T
J
= T
J
maximum 6.20
Maximum forward voltage drop V
FM
I
pk
= 38 A, T
J
= 25 °C, t
p
= 400 μs rectangular wave 1.26 V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction operating temperature range T
J
-65 to +175
°C
Maximum storage temperature range T
Stg
-65 to +200
Maximum thermal resistance, junction to case R
thJC
DC operation 2
K/W
Maximum thermal resistance, case to heatsink R
thCS
Mounting surface, smooth, flat and greased 0.5
Allowable mounting torque
Not lubricated threads
1.5 + 0 - 10 % N · m
13 lbf · in
Lubricated threads
1.2 + 0 - 10 % N · m
10 lbf · in
Approximate weight
7g
0.25 oz.
Case style See dimensions - link at the end of datasheet DO-203AA (DO-4)
R
thJC
CONDUCTION
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
180° 0.33 0.26
T
J
= T
J
maximum K/W
120° 0.41 0.44
90° 0.53 0.58
60° 0.78 0.81
30° 1.28 1.29
