VS-25F120 Datasheet, PDF (2/7 Pages) Vishay Siliconix – Standard Recovery Diodes (Stud Version), 25 A

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25F(R) Series
Vishay Semiconductors
FORWARD CONDUCTION
PARAMETER
SYMBOL
TEST CONDITIONS
Maximum average forward current 
at case temperature
I_F(AV)
180° conduction, half sine wave
Maximum RMS forward current
Maximum on-repetitive peak 
reverse power
I_F(RMS)
P_R(1)
10 μs square pulse, T_J = T_J maximum
t = 10 ms _{No voltage}
Maximum peak, one-cycle forward,
non-repetitive surge current
I_FSM
t = 8.3 ms
t = 10 ms
reapplied
100 % V_RRM
t = 8.3 ms ^reapplied
Sinusoidal half wave,
t = 10 ms _{No voltage}
initial T_J = T_J maximum
Maximum I²t for fusing
t = 8.3 ms ^reapplied
I²t
t = 10 ms _{100 % VRRMï€} 
t = 8.3 ms ^reapplied
Maximum I²ïƒ–t for fusing
I²ïƒ–t
t = 0.1 to 10 ms, no voltage reapplied
Low level value of threshold voltage
High level value of threshold voltage
Low level value of forward 
slope resistance
High level value of forward 
slope resistance
V_F(TO)1
V_F(TO)2
r_f1
r_f2
(16.7 % x  x I_F(AV) < I <  x I_F(AV)), T_J = T_J maximum
(I >  x I_F(AV)), T_J = T_J maximum
(16.7 % x  x I_F(AV) < I <  x I_F(AV)), T_J = T_J maximum
(I >  x I_F(AV)), T_J = T_J maximum
Maximum forward voltage drop
V_FM
I_pk = 78 A, T_J = 25 °C, t_p = 400 μs rectangular wave
Note
(2) _{Available only for avalanche version, all other parameters the same as 25F}
VALUES
25
120
40
10
356
373
300
314
636
580
450
410
6360
0.80
0.90
6.80
5.70
1.30
UNITS
A
°C
A
K/W
A
A²s
A²ïƒ–s
V
m
V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
Maximum junction operating
temperature range
T_J
Maximum storage temperature
range
Maximum thermal resistance,
junction to case
Maximum thermal resistance, 
case to heatsink
T_Stg
R_thJC
R_thCS
DC operation
Mounting surface, smooth, flat and greased
Allowable mounting torque
Not lubricated threads
Lubricated threads
Approximate weight
Case style
See dimensions - link at the end of datasheet
VALUES
- 65 to 175
- 65 to 200
UNITS
°C
1.5
K/W
0.5
1.5 ^{+ 0 - 10 %}
(13)
1.2 ^{+ 0 - 10 %}
(10)
N·m
(lbf · in)
N·m
(lbf · in)
7
g
0.25
oz.
DO-203AA (DO-4)
Revision: 09-Apr-13
2
Document Number: 93506
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