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Document Number: 93516
2
Revision: 01-Oct-08
50PF(R)...(W) Series
Vishay High Power Products
Standard Recovery Diodes,
Generation 2 DO-5 (Stud Version), 50 A
Notes
(1) As general recommendation we suggest to tight on Hexagon and not on nut
(2) Torque must be applicable only to Hexagon and not to plastic structure
FORWARD CONDUCTION
PARAMETER
SYMBOL
TEST CONDITIONS
VALUES
UNITS
Maximum average forward current
at case temperature
IF(AV)
180° conduction, half sine wave
50
A
140
°C
Maximum RMS forward current
IF(RMS)
78
A
Maximum peak, one-cycle forward,
non-repetitive surge current
IFSM
t = 10 ms
No voltage
reapplied
Sinusoidal half wave,
initial TJ = 150 °C
800
A
t = 8.3 ms
830
t = 10 ms
100 % VRRM
reapplied
670
t = 8.3 ms
700
Maximum I2t for fusing
I2t
t = 10 ms
No voltage
reapplied
3200
A2s
t = 8.3 ms
2900
t = 10 ms
100 % VRRM
reapplied
2260
t = 8.3 ms
2050
Maximum I2
√t for fusing
I2
√t
t = 0.1 to 10 ms, no voltage reapplied
32 000
A2
√s
Low level value of threshold voltage
VF(TO)
(16.7 % x
π x I
F(AV) < I < π x IF(AV)), TJ = TJ maximum
0.77
V
Low level value of forward
slope resistance
rf
(16.7 % x
π x I
F(AV) < I < π x IF(AV)), TJ = TJ maximum
4.30
m
Ω
Maximum forward voltage drop
VFM
Ipk = 125 A, TJ = 25 °C, tp = 400 s rectangular wave
1.40
V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
VALUES
UNITS
Maximum junction operating and
storage temperature range
TJ, TStg
- 55 to 180
°C
Maximum thermal resistance,
junction to case
RthJC
DC operation
0.51
K/W
Maximum thermal resistance,
case to heatsink
RthCS
Mounting surface, smooth, flat and greased
0.25
Allowable mounting torque
Tighting on nut (1)
Not lubricated threads
3.4 + 0 - 10 %
(30)
N m
(lbf in)
Tighting on Hexagon (2)
Lubricated threads
2.3 + 0 - 10 %
(20)
Approximate weight
15.8
g
0.56
oz.
Case style
See dimensions - link at the end of datasheet
DO-203AB (DO-5)