VS-85HF(R)40M8
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Vishay Semiconductors
Revision: 12-Feb-14
2
Document Number: 93529
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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 85HF(R) UNITS
Maximum average forward current
at case temperature
I
F(AV)
180° conduction, half sine wave
85 A
140 °C
Maximum RMS forward current I
F(RMS)
133 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
1700
A
t = 8.3 ms 1800
t = 10 ms
100 % V
RRM
reapplied
1450
t = 8.3 ms 1500
Maximum I
2
t for fusing I
2
t
t = 10 ms
No voltage
reapplied
14 500
A
2
s
t = 8.3 ms 13 500
t = 10 ms
100 % V
RRM
reapplied
10 500
t = 8.3 ms 9400
Maximum I
2
t for fusing I
2
t t = 0.1 ms to 10 ms, no voltage reapplied 16 000 A
2
s
Value of threshold voltage
(up to 1200 V)
V
F(TO)
T
J
= T
J
maximum
0.68
V
Value of threshold voltage
(for 1400 V, 1600 V)
0.69
Value of forward slope resistance
(up to 1200 V)
r
f
T
J
= T
J
maximum
1.62
mW
Value of forward slope resistance
(for 1400 V, 1600 V)
1.75
Maximum forward voltage drop V
FM
I
pk
= 267 A, T
J
= 25 °C, t
p
= 400 μs rectangular wave 1.2 V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS 85HF(R) UNITS
Maximum junction operating and
storage temperature range
T
J
, T
Stg
-65 to 180 °C
Maximum thermal resistance, junction to case R
thJC
DC operation 0.35
K/W
Maximum thermal resistance, case to heatsink R
thCS
Mounting surface, smooth, flat and greased 0.25
Maximum allowable mounting torque + 0 %, - 10 %
Not lubricated thread, tighting on nut 3.4 (30)
N · m
(lbf · in)
Lubricated thread, tighting on nut 2.3 (20)
Not lubricated thread, tighting on hexagon 4.2 (37)
Lubricated thread, tighting on hexagon 3.2 (28)
Approximate weight Unleaded device
17 g
0.6 oz.
Case style See dimensions - link at the end of datasheet DO-203AB (DO-5)
R
thJC
CONDUCTION
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
180° 0.10 0.08
T
J
= T
J
maximum K/W
120° 0.11 0.11
90° 0.13 0.13
60° 0.17 0.17
30° 0.26 0.26
