EKB datasheet(7/8 Pages) VISHAY

7 / 8 page

EKB

www.vishay.com

Vishay Roederstein

Revision: 14-Mar-12

Document Number: 25013

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

FREQUENCY

(Hz)

IR MULTIPLIER FOR UR  100 V

CR  47 μF

CR = 68 μF 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 μF 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 h Ø 5 mm, Ø 6.3 mm, Ø 8 mm

After 2000 h

 Ø 10 mm

C/C: ± 25 % of initial value

IL  spec. limit

tan

  2 x spec. limit

Shelf life

Tamb = 105 °C

No voltage applied

After 1000 h

After test: UR to be applied for 30 min

24 h to 48 h before measurement

C/C: ± 20 % of initial value

IL  spec.limit

tan

  2 x spec. limit

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