EKB datasheet(8/9 Pages) VISHAY

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Document Number: 25013

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Revision: 24-Jun-08

305

EKB

Aluminum Capacitors

Radial Style

Vishay Roederstein

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

FREQUENCY

(Hz)

IR MULTIPLIER FOR UR ≤ 100 V

CR ≤ 47 µF

CR = 68 to 680 µF

CR ≥ 1000 µF

0.75

0.80

0.85

120

1.00

300

1.35

1.25

1.10

1000

1.55

1.35

1.15

≥ 10 000

2.00

1.50

1.15

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

FREQUENCY

(Hz)

IR MULTIPLIER FOR UR 160 V to ≤ 450 V

CR = 47 to 220 µF

CR ≥ 330 µF

0.80

0.90

120

1.00

300

1.25

1.10

1000

1.40

1.13

≥ 10 000

1.60

1.15

TEST PROCEDURES AND REQUIREMENTS

TEST

PROCEDURE

(QUICK REFERENCE)

REQUIREMENTS

Load life

Tamb = 105 °C

UR and IR applied

After 1000 hours Ø 5, Ø 6.3, Ø 8 mm

After 2000 hours

≥ Ø 10 mm

Δ C/C: ± 20 % of initial value

IL ≤ spec. limit

tan

δ ≤ 2 x spec. limit

Shelf life

Tamb = 105 °C

No voltage applied

After 1000 hours

After test: UR to be applied for 30 minutes

24 to 48 hours before measurement

Δ C/C: ± 20 % of initial value

IL ≤ spec.limit

tan

δ ≤ 2 x spec. limit

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