021ASM datasheet(7/8 Pages) VISHAY

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021 ASM

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Revision: 24-Oct-12

Document Number: 28325

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Table 4

Table 5

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

FREQUENCY

(Hz)

IR MULTIPLIER

UR = 6.3 V TO 16 V

UR =25V TO 40 V

UR = 63 V TO 100 V

0.95

0.90

0.85

100

1.00

300

1.07

1.12

1.20

1000

1.12

1.20

1.30

3000

1.15

1.25

1.35

 10 000

1.20

1.30

1.40

TEST PROCEDURES AND REQUIREMENTS

TEST

PROCEDURE

(quick reference)

REQUIREMENTS

NAME OF TEST

REFERENCE

Endurance

IEC 60384-4/

EN130300

subclause 4.13

Tamb =85°C; UR applied;

case Ø DxL=4.5mm x10mm to

10 mm x 25 mm:

UR = 6.3 V to 25 V: 1000 h;

UR = 40 V to 100 V: 2000 h;

case Ø DxL=10 mm x30m to

21 mm x 38 mm:

UR = 6.3 V to 100 V: 5000 h

UR  6.3 V; C/C: + 15 %/- 30 %

UR >6.3 V; C/C: ± 15 %

tan

 1.3 x spec. limit

2 x spec. limit

IL5  spec. limit

Tamb =105 °C; UR applied;

case Ø D x L = 10 mm x 30 mm to

21 mm x 38 mm: 2000 h

C/C:  ± 20 %

tan

 1.6 x spec. limit

 2x spec. limit

IL5  spec. limit

Useful life

CECC 30301

subclause 1.8.1

Tamb =85°C; UR and IR applied;

case Ø DxL=4.5mm x10mm to

10 mm x 25 mm: 2500 h;

case Ø DxL=10 mm x30mm to

21 mm x 38 mm: 8000 h

UR  6.3 V; C/C: + 45 %/- 50 %

UR >6.3 V; C/C: ± 45 %

tan

 3 x spec. limit

 3xspec. limit

IL5  spec. limit

no short or open circuit

total failure percentage:

 1 %

Shelf life

(storage at

high temperature)

IEC 60384-4/

EN130300

subclause 4.17

Tamb = 85 °C; no voltage applied;

500 h

after test: UR to be applied for 30 min,

24 h to 48 h before measurement

C/C, tan ,Z:

for requirements

see “Endurance test” above

IL5  2 x spec. limit

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