123 sal-a, Vishay bccomponents, Aluminum capacitors solid axial – C&H Technology 123 SAL-A User Manual

Page 6: Voltage leakage current capacitance (c), Dissipation factor (tan δ ), Ripple current (i

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Document Number: 28355

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Revision: 23-Jun-08

255

123 SAL-A

Aluminum Capacitors

Solid Axial

Vishay BCcomponents

VOLTAGE

LEAKAGE CURRENT

CAPACITANCE (C)

Notes

(1)

Applying the maximum RMS ripple current given in Table 2

will cause a device temperature of 138 °C.

(2)

The 100 kHz values in Table 2 for other temperatures are to

be calculated with the above I

R

multipliers.

DISSIPATION FACTOR (tan

δ)

Fig.3 Maximum permissible voltage up to 175 °C

U

R

(V)

- 50

T

amb

(°C)

50

85

100

125

150 175

0

10

6.3

4

16

25

40

35

(1)

(2)

0

(1)

UC = 125 °C

(2)

UC = 175 °C

Fig.4 Typical multiplier of leakage current as a function of

ambient temperature

150

- 50

50

10

1

100

T

amb

(°C)

I

01

I

10

2

10

-1

0

I

01

= leakage current during continuous operation

at U

R

and T

amb

= 25 °C

Fig.6 Typical multiplier of capacitance as a function

of ambient temperature

- 80 -

40

40

1.1

1.0

0.8

0.9

0

T

amb

(°C)

80 120 160 200

standard de

v

iation

σ

σ

0.05

0

0

C

C

C

0

= capacitance at 25 °C and 100 Hz

RIPPLE CURRENT (I

R

)

PARAMETER

T

amb

25 °C

40 °C

65 °C 85 °C 105 °C

125 °C

I

R

multiplier

1.1

1.0

0.88

0.75

0.59

0.37

0.8

- 0.4

0

0.4

10

1

I

02

I

10

-1

reverse voltage

U

R

U

I

02

= leakage current at U

R

at a

discrete constant temperature

Fig.5 Typical multiplier of leakage current as a function of U/U

R

- 80 -

40

40

2.4

0

T

amb

(°C)

80 120 160 200

tan

δ

tan

δ

0

2.0

1.6

1.2

0.8

0.4

0

standard de

v

iation

σ

σ

0.25

0

Typical tan

δ at 100 Hz and T

amb

= 25 °C:

0.6 x value stated in Table 2

Fig.7 Typical multiplier of dissipation factor as a function of

ambient temperature

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