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8AF Folha de dados(PDF) 2 Page - Vishay Siliconix

Nome de Peças 8AF
Descrição Electrónicos  Pressfit Rectifier Diodes, 50 A
PDF  7 Pages
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Fabricante Electrônico  VISHAY [Vishay Siliconix]
Página de início  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

8AF Folha de dados(HTML) 2 Page - Vishay Siliconix

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For technical questions, contact: ind-modules@vishay.com
Document Number: 93530
2
Revision: 17-Jun-08
8AF Series
Vishay Semiconductors
Pressfit Rectifier Diodes, 50 A
Note
(1) Mounting: A 12.6 ± 0.02 mm (0.496 to 0.497") diameter hole should be drilled in heatsink, the leading edge chamfered to 0.038 mm
(0.015") x 45°. The autodiode should then be press fitted, ensuring that the sides of the autodiode are kept parallel to the sides of the hole.
FORWARD CONDUCTION
PARAMETER
SYMBOL
TEST CONDITIONS
VALUES
UNITS
Maximum average forward current
at case temperature
IF(AV)
180° conduction, half sine wave
50
A
150
°C
Maximum RMS forward current
IF(RMS)
79
A
Maximum peak, one cycle forward,
non-repetitive surge current
IFSM
t = 10 ms
No voltage
reapplied
Sinusoidal half wave,
initial TJ =
TJ maximum
714
A
t = 8.3 ms
747
t = 10 ms
100 % VRRM
reapplied
600
t = 8.3 ms
628
Maximum I2t for fusing
I2t
t = 10 ms
No voltage
reapplied
2546
A2s
t = 8.3 ms
2324
t = 10 ms
100 % VRRM
reapplied
1800
t = 8.3 ms
1643
Maximum I2
t for fusing
I2
t
t = 0.1 to 10 ms, no voltage reapplied
25 455
A2
s
Low level value of threshold voltage
VF(TO)1
(16.7 % x
 x I
F(AV) < I <  x IF(AV)), TJ = TJ maximum
0.60
V
High level value of threshold voltage
VF(TO)2
(
 x I
F(AV) < I < 20 x  x IF(AV)), TJ = TJ maximum
0.68
Low level value of forward slope resistance
rf1
(16.7 % x
 x I
F(AV) < I <  x IF(AV)), TJ = TJ maximum
6.66
m
High level value of forward slope resistance
rf2
(
 x I
F(AV) < I < 20 x  x IF(AV)), TJ = TJ maximum
6.25
Maximum forward voltage drop
VFM
TJ = 25 °C, IFM =  x rated IF(AV)
1.45
V
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
VALUES
UNITS
Maximum junction operating
and storage temperature range
TJ, TStg
- 65 to 195
°C
Maximum thermal resistance,
junction to case
RthJC
DC operation
0.60
K/W
Typical thermal resistance,
case to heatsink
RthCS
As per mounting details, see note (1)
0.50
Approximate weight
10
g
0.36
oz.
Case style
See dimensions - link at the end of datasheet
B-47



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