Document Number: 28315

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Revision: 04-Jan-08

111

148 RUS

Aluminum Capacitors

Radial, Ultra High CV per Volume, Semi-Professional

Vishay BCcomponents

IMPEDANCE (Z)

RIPPLE CURRENT AND USEFUL LIFE

T

10

10

2

10

3

10

4

10

5

10

2

10

1

10

-1

10

-2

Fig.11 Typical impedance as a function of frequency

T

10

10

2

10

3

10

4

10

5

10

2

10

1

10

-1

10

-2

Curve 1: Ø 10 x 12 mm; 63 V

Curve 2: Ø 10 x 16 mm; 50 V

Curve 3: Ø 12.5 x 25 mm; 63 V

Curve 4: Ø 16 x 25 mm; 50 V

Curve 5: Ø 18 x 35 mm; 63 V

Z

(

Ω)

1

2

3

4

5

3.8

3.7

3.6

3.5

3.4

3.3

3.2

3.1

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

40

50

60

70

80

90

100

110

(1)

T

Fig.12 Mulyiplier of useful life as a function of ambient ripple current load

lifetime multiplier

I

A

I

R

case

∅ D = 10 mm: 2000 h

case

∅ D ≥ 12.5 mm: 3000 h