Vishay bccomponents, Multiplier of ripple current (i, As a function of frequency – C&H Technology 102 PHR-ST User Manual

Page 10

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101/102 PHR-ST

Vishay BCcomponents

Aluminum Capacitors

Power High Ripple Current Screw Terminals

www.vishay.com

For technical questions, contact:

[email protected]

Document Number: 28371

176

Revision: 03-May-10

Table 4

MULTIPLIER OF RIPPLE CURRENT (I

R

) AS A FUNCTION OF FREQUENCY

FREQUENCY (Hz)

I

R

MULTIPLIER

101

102

50

0.85

0.90

100

1.00

1.00

200

1.10

1.20

400

1.15

1.30

1000

1.20

1.40

10 000

1.30

1.50

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

Tamb (°C)

(1)

4.0

6.0

2.0

1.5

30

10

3.0

20

1.0

I

A

I

R

lifetime multiplier

40

CCC205-05

I

A

= actual ripple current at 100 Hz

I

R

= rated ripple current at 100 Hz and 85 °C

(1)

Useful life at 85 °C and I

R

applied:

101 series: case Ø D

≤ 50: 10 000 h

case Ø D

≥ 65: 15 000 h

102 series: 10 000 h

Fig.4 Multiplier of useful life as a function of ambient temperature and ripple current load

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