157PUM-SI 查看數據表（PDF） - Vishay Semiconductors

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157PUM-SI

Aluminum Electrolytic Capacitors Power Ultra Miniature Snap-In

Vishay Semiconductors 

www.vishay.com

RIPPLE CURRENT AND USEFUL LIFE

Table 3

ENDURANCE TEST DURATION AND USEFUL LIFE

ENDURANCE

AT 85 °C

(h)

3000

Note

• Multiplier of useful life code: MGA453

2.4

157 PUM-SI

Vishay BCcomponents

USEFUL LIFE

AT 85 °C

(h)

5000

MGA453

2.3

IA

IR

2.2

2.1

2.0

1.9

1.8

1.7

Life multiplier

1.6

1.5

1.4

1.3

1.2

1.1

(1)

IA = Actual ripple current at 120 Hz

1.0

IR = Rated ripple current at 120 Hz and 85 °C

0.8

(1) Useful life at 85 °C and IR applied: 5000 h

0.5

0.0

40

50

60

70

80

90

Tamb (°C)

Fig. 6 - Multiplier of useful life as a function of ambient temperature and ripple current load

Table 4

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

FREQUENCY (Hz)

50

100

120

200

1000

IR MULTIPLIER

0.90

0.95

1.00

1.15

1.30

 10 000

1.40

Revision: 17-Oct-16

8

Document Number: 28338

For technical questions, contact: aluminumcaps2@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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