047 RMS

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Revision: 16-Oct-13

4

Document Number: 28314

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RIPPLE CURRENT AND USEFUL LIFE

Fig. 5 - Multiplier of useful life as a function of ambient temperature and ripple current load

Table 3

ADDITIONAL ELECTRICAL DATA

DESCRIPTION

CONDITIONS

VALUE

Voltage

Surge voltage

Us  1.15 UR

Reverse voltage

Urev  1 V

Current

Leakage current

After 1 min at UR

IL1  0.01 CR x UR + 3 μA

After 5 min at UR

IL5  0.002 CR x UR + 3 μA

Inductance

Equivalent series inductance (ESL)

Case Ø D = 10 mm

Typ. 16 nH

Case Ø D

 12.5 mm

Typ. 18 nH

Resistance

Equivalent series resistance (ESR)

Calculated from tan



max. and CR (see Table 2)

ESR = tan

/2fC

R

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

FREQUENCY

(Hz)

IR MULTIPLIER

UR = 16 V AND 25 V

UR = 35 V AND 40 V

UR = 50 V AND 63 V

50

0.95

0.85

0.80

100

1.00

1.00

1.00

300

1.07

1.20

1.25

1000

1.12

1.30

1.40

3000

1.15

1.35

1.50

 10 000

1.20

1.40

1.60

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

Lifetime multiplier

(1)

T

amb (°C)

I

A

I

R

I

A = Actual ripple current at 100 Hz

I

R = Rated ripple current at 100 Hz, 105 °C

(1) Useful life at 105 °C and I

R applied: 1500 h

CCC206