140CRH datasheet(7/9 Pages) VISHAY

Nome de Peças	140CRH

Descrição Electrónicos	Aluminum Capacitors SMD (Chip), High Temperature

PDF	9 Pages

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Fabricante Electrônico	VISHAY [Vishay Siliconix]

Página de início	http://www.vishay.com

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140 CRH

Vishay BCcomponents

Aluminum Capacitors

SMD (Chip), High Temperature

www.vishay.com

For technical questions, contact: aluminumcaps1@vishay.com

Document Number: 28396

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

100

110

120

130

3.9

4.0

4.1

4.2

4.3

I A

lifetime multiplier

(1)

Tamb(°C)

MBC242

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

IA = actual ripple current at 100 kHz

IR = rated ripple current at 100 kHz,

125 °C

(1) Useful life at 125 °C and IR applied:

case code

≤ 1014: 1500 h

case code

≥ 1014: 3000 h

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

FREQUENCY

(Hz)

IR MULTIPLIER

UR =6.3 to 25 V

UR =35 and 50 V

UR =63V

0.60

0.45

0.40

100

0.70

0.60

0.55

300

0.80

0.75

0.70

1000

0.85

3000

0.90

10 000

0.95

30 000

0.97

100 000

1.00

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