Owner manual

Document Number: 28342 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 18-Aug-08 9
058/059 PLL-SI
Aluminum Capacitors
Power Long Life Snap-In
Vishay BCcomponents
RIPPLE CURRENT AND USEFUL LIFE
Table 4
Fig.18 Multiplier of useful life as a function of ambient temperature and ripple current load
I
A
= actual ripple current at 100 Hz
I
R
= rated ripple current at 100 Hz and 105 °C
(1)
Useful life at 105 °C and I
R
applied:
5000 hours for ≤ 50 V types
1.3
1.2
1.1
1.0
0.8
0.5
0.0
40 50 60 70 8090
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
(1)
2.4
2.5
2.6
2.7
100 110
2
7
life multiplier
1
1.2
1.5
2.5
3
4
5
10
15
20
30
40
60
100
150
200
300
400
600
T
amb
(°C)
I
A
I
R
MULTIPLIER OF RIPPLE CURRENT (I
R
) AS A FUNCTION OF FREQUENCY
FREQUENCY
(Hz)
I
R
MULTIPLIER
U
R
=10to25V U
R
=40to100V U
R
> 100 V
50 0.93 0.91 0.86
100 1.00 1.00 1.00
200 1.04 1.05 1.13
400 1.07 1.09 1.21
1000 1.11 1.13 1.29
2000 1.13 1.15 1.32
4000 1.15 1.18 1.35
≥ 10 000 1.18 1.22 1.40