8AF 查看數據表（PDF） - International Rectifier
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8AF Datasheet PDF : 5 Pages
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8AF Series
Bulletin I20262 Rev.A 06/03
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Type number
Voltage
Code
VRRM , maximum repetitive
peak reverse voltage
V
1
100
2
200
8AF
4
400
8
800
VRSM , maximum non-
repetitive peak rev. voltage
V
150
300
500
900
IRRM max.
@ TJ = 150°C
mA
5
5
5
5
Forward Conduction
Parameter
IF(AV)
Maximum average forward current
@ Case temperature
IF(RMS)
IFSM
Maximum RMS forward current
Maximum peak, one-cycle forward,
non-repetitive surge current
I2t
Maximum I2t for fusing
I2√t Maximum I2√t for fusing
VF(TO)1 Low level value of threshold voltage
VF(TO)2 High level value of threshold voltage
rf1
Low level value of forward slope resistance
rf2
High level value of forward slope resistance
VFM Maximum forward voltage drop
8AF
50
150
79
714
747
600
628
2546
2324
1800
1643
25455
0.60
0.68
6.66
6.25
1.45
Units Conditions
A 180° conduction, half sine wave
°C
A
A t = 10ms No voltage
t = 8.3ms reapplied
t = 10ms 100% VRRM
t = 8.3ms reapplied Sinusoidal half wave,
A2s t = 10ms No voltage Initial TJ = TJ max.
t = 8.3ms reapplied
A2√s
t = 10ms 100% VRRM
t = 8.3ms reapplied
t = 0.1 to 10ms, no voltage reapplied
V (16.7% x π x IF(AV) < I < π x IF(AV)), TJ = TJ max.
(π x IF(AV) < I < 20 x π x IF(AV)), TJ = TJ max.
mΩ (16.7% x π x IF(AV) < I < π x IF(AV)), TJ = TJ max.
(π x IF(AV) < I < 20 x π x IF(AV)), TJ = TJ max.
V TJ = 25°C, IFM = π x rated IF(AV)
Thermal and Mechanical Specifications
Parameter
8AF
Units Conditions
TJ
Max. junction operating temperature range
Tstg Storage temperature range
RthJC Max. thermal resistance, junction to case
RthCS Typical thermal resistance, case to heatsink
wt Approximate weight
- 65 to 195
- 65 to 195
0.60
0.50
10 (0.36)
°C
K/W DC operation
As per mounting details
g (oz)
Case style
B-47
See outline table
MOUNTING: A 12.6 ± 0.02mm (0.496 to 0.497 inch) diameter hole should be drilled in heatsink, the leading edge chamfered to 0.038mm (0.015
inch) x 45°. The diode should then be press fitted, ensuring that the sides of the diode are kept parallel to the sides of the hole.
2
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