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Document Number: 93513
2 Revision: 23-Jun-08
40HF(R) Series
Vishay High Power Products
Standard Recovery Diodes,
(Stud Version), 40 A
FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS
40HF(R)
UNITS
10 TO 120 140/160
Maximum average forward current
at case temperature
I
F(AV)
180° conduction, half sine wave
40 40 A
140 110 °C
Maximum RMS forward current I
F(RMS)
62 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
570
A
t = 8.3 ms 595
t = 10 ms
100 % V
RRM
reapplied
480
t = 8.3 ms 500
Maximum I
2
t for fusing I
2
t
t = 10 ms
No voltage
reapplied
1600
A
2
s
t = 8.3 ms 1450
t = 10 ms
100 % V
RRM
reapplied
1150
t = 8.3 ms 1050
Maximum I
2
√t for fusing I
2
√t t = 0.1 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
0.65
V
Value of threshold voltage
(for 1400 V/1600 V)
V
F(TO)
0.76
Value of forward slope resistance
(up to 1200 V)
r
f
T
J
= T
J
maximum
4.29
mΩ
Value of forward slope resistance
(for 1400 V/1600 V)
r
f
3.8
Maximum forward voltage drop V
FM
I
pk
= 125 A, T
J
= 25 °C, t
p
= 400 µs rectangular wave 1.30 1.50 V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS
40HF(R)
UNITS
10 TO 120 140/160
Maximum junction operating and
storage temperature range
T
J
, T
Stg
- 65 to 190 - 65 to 160 °C
Maximum thermal resistance,
junction to case
R
thJC
DC operation 0.95
K/W
Maximum thermal resistance,
case to heatsink
R
thCS
Mounting surface, smooth, flat and greased 0.25
Allowable mounting torque
Not lubricated threads
3.4
+ 0 - 10 %
(30)
N · m
(lbf · in)
Lubricated threads
2.3
+ 0 - 10 %
(20)
Approximate weight
17 g
0.6 oz.
Case style See dimensions - link at the end of datasheet DO-203AB (DO-5)
