038 RSU

Vishay BCcomponents

Aluminum Capacitors

Radial Standard Ultra Miniature

www.vishay.com

For technical questions, contact: aluminumcaps1@vishay.com

Document Number: 28309

94

Revision: 05-May-08

RIPPLE CURRENT AND USEFUL LIFE

Table 3

Table 4

3.3

3.2

3.0

2.8

2.6

2.4

2.2

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.5

0.0

3.1

40

50

60

70

8090

100

lifetime multiplier

(1)

CCC205

I

I

Useful life at 85 °C and I

case Ø D

≤ 8 mm: 2500 h

case Ø D

≥ 10 mm: 3500 h

Fig.8 Multiplier of useful life as afunction of ambient temperature and ripple current load

FREQUENCY

(Hz)

50

0.70

0.75

0.80

100

1.00

1.00

1.00

500

1.30

1.20

1.10

1000

1.40

1.30

1.12

≥ 10 000

1.50

1.35

1.15

TEST PROCEDURES AND REQUIREMENTS

TEST

PROCEDURE

(quick reference)

REQUIREMENTS

NAME OF TEST

REFERENCE

Endurance

IEC 60384-4/

EN130300

subclause 4.13

case Ø

≤ 8 mm: 2000 h

case Ø

≥ 10 mm: 3000 h

ΔC/C: ± 20 %

tan

δ≤ 2 x spec. limit

Useful life

CECC 30301

subclause 1.8.1

case Ø

≤ 8 mm: 2500 h

case Ø

≥ 10 mm: 3500 h

ΔC/C: ± 50 %

tan

δ≤ 3 x spec. limit

no short or open circuit

total failure percentage:

≤ 1 %

Shelf life

(storage at high

temperature)

IEC 60384-4/

EN130300

subclause 4.17

before measurement

ΔC/C: ± 20 %

tan

δ≤ 2 x spec. limit

Surge

IEC 60384-4/

EN130300

subclause 4.14

RC = 0.1 ± 0.05 s;

1000 cycles of 30 s on,

330 s off, at 85 °C

ΔC/C: ± 25 %

tan

δ≤ 1.5 x spec. limit