C&H Technology 163 PLL-PW - Manual (Page 7)

162/163 PLL-PW
Vishay BCcomponents Aluminum Capacitors
Power Long Life Printed Wiring
www.vishay.com For technical questions, contact: [email protected] Document Number: 28347
162 Revision: 07-Oct-09
RIPPLE CURRENT AND USEFUL LIFE
Table 4
MULTIPLIER OF RIPPLE CURRENT (I
R
) AS A FUNCTION OF FREQUENCY
FREQUENCY
(Hz)
I
R
MULTIPLIER
U
R
= 10 V to 25 V U
R
= 40 V to 100 V U
R
= 200 V to 400 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
1.3
1.2
1.1
1.0
0.8
0.5
0.0
T
amb
(°C)
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
2
7
I
A
I
R
life multiplier
1
1.2
1.5
2.5
3
4
5
10
15
20
30
40
60
100
150
200
300
400
600
100 110 40 90 80 70 60 50
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
Fig.10 Multiplier of useful life as a function of ambient temperature and ripple current load