Datasheet

058/059 PLL-SI
Vishay BCcomponents
Aluminum Capacitors
Power Long Life Snap-in
www.vishay.com For technical questions contact: aluminumcaps2@vishay.com Document Number: 28342
94 Revision: 28-Oct-05
RIPPLE CURRENT AND USEFUL LIFE
1.3
1.2
1.1
1.0
0.8
0.5
0.0
40 50 60 70 8090
T
amb
(C)
o
I
A
R
I
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
MGA 454
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;
Table 4
MULTIPLIER OF RIPPLE CURRENT (I
R
) AS A FUNCTION OF FREQUENCY
FREQUENCY
(Hz)
I
R
MULTIPLIER
U
R
= 10 to 25 V U
R
= 40 to 100 V 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
10000 1.18 1.22 1.40