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Document Number: 93529
2
Revision: 25-May-09
85HF(R) Series
Vishay High Power Products Standard Recovery Diodes,
(Stud Version), 85 A
Notes
(1) Available only for 88HF
(2) Recommended for pass-through holes
(3) Recommended for holed threaded heatsinks
FORWARD CONDUCTION
PARAMETER
SYMBOL
TEST CONDITIONS
85HF(R)
UNITS
10 to 120
140/160
Maximum average forward current
at case temperature
IF(AV)
180° conduction, half sine wave
85
A
140
110
°C
Maximum RMS forward current
IF(RMS)
133
A
Maximum peak, one-cycle forward,
non-repetitive surge current
IFSM
t = 10 ms
No voltage
reapplied
Sinusoidal half wave,
initial TJ = TJ maximum
1700
A
t = 8.3 ms
1800
t = 10 ms
100 % VRRM
reapplied
1450
t = 8.3 ms
1500
Maximum I2t for fusing
I2t
t = 10 ms
No voltage
reapplied
14 500
A2s
t = 8.3 ms
13 500
t = 10 ms
100 % VRRM
reapplied
10 500
t = 8.3 ms
9400
Maximum I2
√t for fusing
I2
√t
t = 0.1 ms to 10 ms, no voltage reapplied
16 000
A2
√s
Value of threshold voltage
(up to 1200 V)
VF(TO)
TJ = TJ maximum
0.68
V
Value of threshold voltage
(for 1400 V, 1600 V)
0.69
Value of forward slope resistance
(up to 1200 V)
rf
TJ = TJ maximum
1.62
m
Ω
Value of forward slope resistance
(for 1400 V, 1600 V)
1.75
Maximum forward voltage drop
VFM
Ipk = 267 A, TJ = 25 °C, tp = 400 s rectangular wave
1.2
1.4
V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
85HF(R)
UNITS
10 to 120
140/160
Maximum junction operating and
storage temperature range
TJ, TStg
- 65 to 180
- 65 to 150
°C
Maximum thermal resistance,
junction to case
RthJC
DC operation
0.35
K/W
Maximum thermal resistance,
case to heatsink
RthCS
Mounting surface, smooth, flat and greased
0.25
Maximum shock (1)
1500
g
Maximum constant vibration (1)
50 Hz
20
Maximum constant acceleration (1)
Stud outwards
5000
Maximum allowable mounting
torque (+ 0 %, - 10 %)
Not lubricated thread, tighting on nut (2)
3.4 (30)
N m
(lbf in)
Lubricated thread, tighting on nut (2)
2.3 (20)
Not lubricated thread, tighting on hexagon (3)
4.2 (37)
Lubricated thread, tighting on hexagon (3)
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)