Vishay bccomponents, Aluminum capacitors power economic printed wiring, Ripple current and useful life – C&H Technology 053 PEC-PW User Manual

Page 10: Multiplier of ripple current (i, As a function of frequency, Test procedures and requirements

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Document Number: 28346

For technical questions, contact: [email protected]

www.vishay.com

Revision: 14-Aug-08

9

051/053 PEC-PW

Aluminum Capacitors

Power Economic Printed Wiring

Vishay BCcomponents

RIPPLE CURRENT AND USEFUL LIFE

Table 4

Table 5

2.4

2.3

2.2

2.1

2.0

1.9

I

A

I

R

1.8

1.7

1.5

1.6

1.4

1.3

1.2

1.1
1.0
0.8
0.5

0.0

MGA453

life multiplier

40

50

60

70

80

90

T

amb

(°C)

(1)

45

30

20

15

10

8

5

2.5

4

3

2

1.5

1.2

1

60

Fig.25 Multiplier of useful life as a function of ambient

temperature and ripple current load.

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: 12 000 hours

MULTIPLIER OF RIPPLE CURRENT (I

R

) AS A FUNCTION OF FREQUENCY

FREQUENCY (Hz)

I

R

MULTIPLIER

50

0.83

100

1.00

200

1.10

400

1.15

1000

1.19

≥ 2000

1.20

TEST PROCEDURES AND REQUIREMENTS

TEST

PROCEDURE

(quick reference)

REQUIREMENTS

NAME OF TEST

REFERENCE

Endurance

IEC 60384-4/
EN130300
subclause 4.13

T

amb

= 85 °C; U

R

applied;

5000 hours

U

R

≤ 100 V; ΔC/C: ± 15 %

U

R

> 100 V; ΔC/C: ± 10 %

ESR

≤ 1.3 x spec. limit

Z

≤ 2 x spec. limit

I

L5

≤ spec. limit

Useful life

CECC 30301
subclause 1.8.1

T

amb

= 85 °C; U

R

and I

R

applied;

12 000 hours

U

R

≤ 100 V; ΔC/C: ± 45 %

U

R

> 100 V; ΔC/C: ± 30 %

ESR

≤ 3 x spec. limit

Z

≤ 3 x spec. limit

I

L5

≤ spec. limit

no short or open circuit,
no visible damage
total failure percentage:
U

R

≤ 100 V: ≤ 1 %;

U

R

> 100 V: ≤ 3 %

Shelf life
(storage at
high temperature)

IEC 60384-4/
EN130300
subclause 4.17

T

amb

= 85

°C; no voltage applied;

500 hours
after test: U

R

to be applied for 30 minutes,

24 hours to 48 hours before measurement

ΔC/C: ± 10 %
ESR

≤ 1.2 x spec. limit

I

L5

≤ 2 x spec. limit

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