157PUM-SI 데이터 시트보기 (PDF) - Unspecified
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157PUM-SI Datasheet PDF : 12 Pages
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BCcomponents
Aluminum electrolytic capacitors
Power Ultra Miniature Snap-in
RIPPLE CURRENT AND USEFUL LIFE
Table 3 Multiplier of ripple current (IR) as a function of frequency
FREQUENCY
(Hz)
50
100
120
200
1 000
≥10 000
Product specification
157 PUM-SI
IR MULTIPLIER
0.9
0.95
1.0
1.15
1.3
1.4
2.4
IA
IR
2.3
MGB264
2.2
2.1
2.0
1.9
1.8
1.7
lifetime multiplier
1.6
1.5
1.4
1.3
1.2
1.1
(1)
1.0
0.8
0.5
0.0
40
50
60
70
80
90
100
Tamb (oC)
IA = actual ripple current at 120 Hz and 85 °C.
IR = rated ripple current at 120 Hz and 85 °C.
(1) Useful life at 85 °C and IR applied: 2500 hours.
Fig.6 Multiplier of useful life as a function of ambient temperature and ripple current load.
2000 Nov 06
11
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