Document Number: 28327

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Revision: 15-Oct-08

185

030/031 AS

Aluminum Capacitors

Axial Standard

Vishay BCcomponents

RIPPLE CURRENT AND USEFUL LIFE

Table 4

3.3

3.2

3.0

2.8

2.6

2.4

2.2

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.5

0.0

3.1

40

50

60

70

80

90

100

T

CCC205

lifetime multiplier

(1)

I

A

I

R

CCC205

I

I

case Ø D x L = 3.3 x 11 mm:1500 hours

case Ø D x L = 4.5 x 10 mm to 10 x 25 mm:

3000 hours

Fig.9 Multiplier of useful life as a function of ambient temperature and ripple current load

MULTIPLIER OF RIPPLE CURRENT (IR) AS A FUNCTION OF FREQUENCY

FREQUENCY

(Hz)

50

0.95

0.90

0.85

100

1.00

1.00

1.00

300

1.07

1.12

1.20

1000

1.12

1.20

1.30

3000

1.15

1.25

1.35

≥ 10 000

1.20

1.30

1.40