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Document Number: 93521
Revision: 25-May-09
70HF(R) Series
Vishay High Power Products
Standard Recovery Diodes
(Stud Version), 70 A
Notes
(1)
Recommended for pass-through holes
(2)
Recommended for holed threaded heatsinks
FORWARD CONDUCTION
PARAMETER
SYMBOL
TEST CONDITIONS
70HF(R)
UNITS
10 TO 120
140/160
Maximum average forward current
at case temperature
I
F(AV)
180° conduction, half sine wave
70
A
140
110
°C
Maximum RMS forward current
I
F(RMS)
110
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
1200
A
t = 8.3 ms
1250
t = 10 ms
100 % V
RRM
reapplied
1000
t = 8.3 ms
1050
Maximum I
2
t for fusing
I
2
t
t = 10 ms
No voltage
reapplied
7100
A
2
s
t = 8.3 ms
6450
t = 10 ms
100 % V
RRM
reapplied
5000
t = 8.3 ms
4550
Maximum I
2
√
t for fusing
I
2
√
t
t = 0.1 ms to 10 ms, no voltage reapplied
(16.7 % x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
maximum
(I >
π
x I
F(AV)
), T
J
= T
J
maximum
71 000
A
2
√
s
Low level value of threshold voltage
V
F(TO)1
V
F(TO)2
0.79
V
High level value of threshold voltage
Low level value of forward
slope resistance
High level value of forward
slope resistance
Maximum forward voltage drop
1.00
r
f1
(16.7 % x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
maximum
2.33
m
Ω
r
f2
(I >
π
x I
F(AV)
), T
J
= T
J
maximum
1.53
V
FM
I
pk
= 220 A, T
J
= 25 °C, t
p
= 400 μs rectangular wave
1.35
1.46
V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
70HF(R)
UNITS
10 TO 120
140/160
Maximum junction and
storage temperature range
T
J
, T
Stg
- 65 to 180
- 65 to 150
°C
Maximum thermal resistance,
junction to case
R
thJC
DC operation
0.45
K/W
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
(1)
3.4
(30)
N · m
(lbf · in)
Lubricated thread, tighting on nut
(1)
2.3
(20)
Not lubricated thread, tighting on hexagon
(2)
4.2
(37)
Lubricated thread, tighting on hexagon
(2)
3.2
(28)
Approximate weight
17
g
0.6
oz.
Case style
See dimensions - link at the end of datasheet
DO-203AB (DO-5)