25FR20 Просмотр технического описания (PDF) - Vishay Semiconductors
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25FR20 Datasheet PDF : 6 Pages
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25F(R) Series
Vishay High Power Products Standard Recovery Diodes
(Stud Version), 25 A
FORWARD CONDUCTION
PARAMETER
SYMBOL
TEST CONDITIONS
Maximum average forward current
at case temperature
IF(AV) 180° conduction, half sine wave
Maximum RMS forward current
Maximum on-repetitive peak
reverse power
IF(RMS)
PR(1)
10 µs square pulse, TJ = TJ maximum
Maximum peak, one-cycle forward,
non-repetitive surge current
Maximum I2t for fusing
Maximum I2√t for fusing
t = 10 ms No voltage
t = 8.3 ms reapplied
IFSM
t = 10 ms 100 % VRRM
t = 8.3 ms reapplied
Sinusoidal half wave,
t = 10 ms No voltage
initial TJ = TJ maximum
t = 8.3 ms reapplied
I2t
t = 10 ms 100 % VRRM
t = 8.3 ms reapplied
I2√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
VF(TO)1
VF(TO)2
rf1
(16.7 % x π x IF(AV) < I < π x IF(AV)), TJ = TJ maximum
(I > π x IF(AV)), TJ = TJ maximum
(16.7 % x π x IF(AV) < I < π x IF(AV)), TJ = TJ maximum
High level value of forward
slope resistance
rf2
(I > π x IF(AV)), TJ = TJ maximum
Maximum forward voltage drop
VFM
Ipk = 78 A, TJ = 25 °C, tp = 400 µs rectangular wave
Note
(1) 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
A2√s
V
mΩ
V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
Maximum junction operating
temperature range
TJ
Maximum storage temperature range
Maximum thermal resistance,
junction to case
TStg
RthJC
DC operation
Maximum thermal resistance,
case to heatsink
RthCS 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
UNITS
- 65 to 175
°C
- 65 to 200
1.5
K/W
0.5
1.5 + 0 - 10 %
(13)
N·m
(lbf · in)
1.2 + 0 - 10 %
(10)
N·m
(lbf · in)
7
g
0.25
oz.
DO-203AA (DO-4)
www.vishay.com
2
For technical questions, contact: ind-modules@vishay.com
Document Number: 93506
Revision: 29-Sep-08
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