C&H Technology 25F(R) Series - Manual (Page 3)

www.vishay.com For technical questions, contact: [email protected] Document Number: 93506
2 Revision: 29-Sep-08
25F(R) Series
Vishay High Power Products Standard Recovery Diodes
(Stud Version), 25 A
Note
(1) Available only for avalanche version, all other parameters the same as 25F
FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current
at case temperature
I
F(AV)
180° conduction, half sine wave
25 A
120 °C
Maximum RMS forward current I
F(RMS)
40 A
Maximum on-repetitive peak
reverse power
P
R
(1) 10 µs square pulse, T
J
= T
J
maximum 10 K/W
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
356
A
t = 8.3 ms 373
t = 10 ms
100 % V
RRM
reapplied
300
t = 8.3 ms 314
Maximum I 2 t for fusing I 2 t
t = 10 ms No voltage
reapplied 636
A 2 s
t = 8.3 ms 580
t = 10 ms 100 % V
RRM
reapplied
450
t = 8.3 ms 410
Maximum I 2 √t for fusing
I 2 √t
t = 0.1 to 10 ms, no voltage reapplied 6360 A 2 √s
Low level value of threshold voltage V
F(TO)1
(16.7 % x
π x I
F(AV)
< I <
π x I
F(AV)
), T
J
= T
J
maximum 0.80
V
High level value of threshold voltage V
F(TO)2
(I >
π x I
F(AV)
), T
J
= T
J
maximum 0.90
Low level value of forward
slope resistance
r
f1
(16.7 % x π x I
F(AV)
< I < π x I
F(AV)
), T
J
= T
J
maximum 6.80
m Ω
High level value of forward
slope resistance
r
f2
(I > π x I
F(AV)
), T
J
= T
J
maximum 5.70
Maximum forward voltage drop V
FM
I
pk
= 78 A, T
J
= 25 °C, t
p
= 400 µs rectangular wave 1.30 V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction operating
temperature range
T
J
- 65 to 175
°C
Maximum storage temperature range T
Stg
- 65 to 200
Maximum thermal resistance,
junction to case
R
thJC
DC operation 1.5
K/W
Maximum thermal resistance,
case to heatsink
R
thCS
Mounting surface, smooth, flat and greased 0.5
Allowable mounting torque
Not lubricated threads
1.5 + 0 - 10 %
(13)
N · m
(lbf · in)
Lubricated threads
1.2 + 0 - 10 %
(10)
N · m
(lbf · in)
Approximate weight
7 g
0.25 oz.
Case style See dimensions - link at the end of datasheet DO-203AA (DO-4)