106 ped-st, Vishay bccomponents, Aluminum capacitors power eurodin screw terminals – C&H Technology 106 PED-ST User Manual

Page 6: Ripple current and useful life, Multiplier of ripple current (i, As a function of frequency, Test procedures and requirements

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106 PED-ST

Vishay BCcomponents

Aluminum Capacitors

Power Eurodin Screw Terminals

www.vishay.com

For technical questions, contact:

[email protected]

Document Number: 28384

182

Revision: 27-May-09

RIPPLE CURRENT AND USEFUL LIFE

Table 3

Table 4

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

(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

T

amb

(°C)

I

A

= actual ripple current at 100 Hz

I

R

= actual ripple current at 100 Hz and 85 °C

With an absolute maximum of 50 A at 85 °C

(1)

Useful life at 85 °C and I

R

applied:

20 000 hours

Fig.3 Multiplier of useful life as a function of ambient temperature and ripple current load

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;

8000 hours

ΔC/C: ± 15 %

tan

δ ≤ 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;

20 000 hours

ΔC/C: ± 45 %

tan

δ ≤ 3 x spec. limit

Z

≤ 3 x spec. limit

I

L5

≤ spec. limit

no short or open circuit,
no visible damage

total failure percentage

≤ 1 %

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 %

tan

δ ≤ 1.2 x spec. limit

IL5

≤ 2 x spec. limit

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