146 CTI

www.vishay.com

Vishay BCcomponents

Revision: 05-Dec-16

9

Document Number: 28403

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

RIPPLE CURRENT AND USEFUL LIFE

Table 7

Note

• Multiplier of useful life code: MBC242

Fig. 11 - Multiplier of useful life as a function of ambient temperature and ripple current load

ENDURANCE TEST DURATION AND USEFUL LIFE

LIFE CODE

ENDURANCE AT 125 °C

(h)

USEFUL LIFE AT 125 °C

(h)

USEFUL LIFE AT 40 °C

L1

1000

1500

150 000

L2

1500

2000

200 000

L3

2000

2500

250 000

L4

2500

3000

300 000

L5

3000

4000

325 000

L6

4000

5000

350 000

L7

5000

6000

400 000

3.8

3.7

3.6

3.5

3.4

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

80

90

100

110

120

130

3.9

4.0

4.1

4.2

4.3

I

A

R

I

Lifetime multiplier

(1)

T

MBC242

I

I

(1)

Useful life at 125 °C and I

see Table 7