140 CRH

Vishay BCcomponents

Aluminum Capacitors

SMD (Chip), High Temperature

www.vishay.com

For technical questions, contact: aluminumcaps1@vishay.com

Document Number: 28396

72

Revision: 24-Oct-08

RIPPLE CURRENT AND USEFUL LIFE

Table 6

3.8

3.7

3.6

3.5

3.4

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

110

120

130

3.9

4.0

4.1

4.2

4.3

I A

R

I

lifetime multiplier

(1)

Tamb(°C)

MBC242

Fig.11 Multiplier of useful life as a function of ambient temperature and ripple current load

125 °C

case code

≤ 1014: 1500 h

case code

≥ 1014: 3000 h

FREQUENCY

(Hz)

50

0.60

0.45

0.40

100

0.70

0.60

0.55

300

0.80

0.75

0.70

1000

0.85

0.85

0.85

3000

0.90

0.90

0.90

10 000

0.95

0.95

0.95

30 000

0.97

0.97

0.97

100 000

1.00

1.00

1.00