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Document Number: 28305

78

Revision: 04-Nov-08

175 TMP

Vishay BCcomponents

Aluminum Capacitors

High Temperature Solid Electrolytic SMD

VOLTAGE

CAPACITANCE (C)

DISSIPATION FACTOR (tan

δ)

LEAKAGE CURRENT

EQUIVALENT SERIES RESISTANCE (ESR)

T

0

10

6.3

4

16

25

20

40

35

(1)

(2)

U

R

(V)

- 50

0

50

85

100

125

150 175

Fig.6 Typical multiplier of capacitance and standard deviation

as functions of ambient temperature

T

- 80

- 40

40

1.1

1.0

0.8

0.9

0

C

0

80

120

160

200

σ

0.05

0

0.6

1.2

0.7

C

T

Fig.7 Typical multiplier of dissipation factor and standard deviation

as functions of ambient temperature

- 80

- 40

40

0

80

120

160

200

tan

δ

tan

δ

0

2.0

1.5

1.0

0.5

0

0.5

0

d

Fig.8 Typical multiplier of leakage current as a function of

ambient temperature

T

160

- 40

0

40

10

10

2

10

-1

1

120

80

I

I

0

I

Fig.9 Typical ESR as a function of frequency at 125 °C

f (Hz)

0.01

0.1

1

10

1

3

2

ESR

(W)

T

Curve 1: 47 µF, 4 V

Curve 2: 33 µ, 6.3 V

Curve 3: 22 µ, 10 V

Fig.10 ESR correction multiplier as a function of temperature

T

175

1.5

0.5

0

150

1

100

50

1.1

1.2

1.3

1.4

0.9

0.8

0.7

0.6

ESR

ESR

0

- 50