123 SAL-A

Vishay BCcomponents

Aluminum Capacitors

Solid Axial

www.vishay.com

For technical questions, contact: aluminumcaps2@vishay.com

Document Number: 28355

258

Revision: 23-Jun-08

IMPEDANCE (Z)

EQUIVALENT SERIES RESISTANCE (ESR)

Typical ESR: see Figs to 24; the standard deviation is 20 % of each value.

10

4

10

3

f (Hz) 10

7

Z

(Ω)

1

2

3

10

2

10

1

10

-1

10

-2

Case Ø D x L = 12.9 x 32.0 mm; U

Curve 1: 680 µF, 10 V

Curve 2: 1000 µF, 6.3 V

Curve 3: 1500 µF, 6.3 V

T

Fig.18 Typical impedance as a function of frequency

10

2

10

-2

10

1

10

-1

Z

( )

Ω

10

10

2

10

3

10

4

10

5

10

6

10

7

f (Hz)

T

Case Ø D x L = 10.3 x 32.0 mm; U

1

2

3

4

5

Curve 1: 220 µF, 16 V

Curve 2: 330 µF, 16 V

Curve 3: 330 µF, 10 V

Curve 4: 470 µF, 10 V

Curve 5: 680 µF, 6.3 V

Fig.16 Typical impedance as a function of frequency

10

4

10

3

f (Hz) 10

7

Z

(Ω)

10

2

10

1

10

-1

10

-2

T

1

2

3

4

5

6

Case Ø D x L = 12.9 x 32.0 mm; U

Curve 1: 100 µF, 35 and 40 V

Curve 2: 150 µF, 35 V

Curve 3: 220 µF, 25 V

Curve 4: 470 µF, 16 V

Curve 5: 680 µF, 16 V

Curve 6: 1000 µF, 10 V

Fig.19 Typical impedance as a function of frequency

Fig.17 Typical impedance as a function of frequency

Z

( )

Ω

10

3

10

2

10

1

10

-1

10

10

2

10

3

10

4

10

5

10

6

10

7

f (Hz)

T

Curve 1: 47 V, 40 V

Curve 2: 68 V, 35 and 40 V

Curve 3: 150 V, 25 V

1

2

3

Case Ø D x L = 10.3 x 32.0 mm;

U

Fig.20 Typical ESR as a function of ambient temperature

ESR

(Ω)

0

80

- 40

120

160

200

- 80

10

1

40

10

2

10

-1

1

3

2

4

5

Curve 1: 10 mF, 25 V; 6.8 mF, 35 and 40 V

Curve 2: 10 mF, 16 V

Curve 3: 22 mF, 16 V

Curve 4: 33 mF, 10 V

Curve 5: 47 mF, 6.3 and 10 V; 68 mF, 6.3 V

Case Ø D x L = 6.7 x 15.3 mm

ESR at 100 Hz

Fig.21 Typical ESR as a function of ambient temperature

ESR

(Ω)

0

80

- 40

120

160

200

- 80

10

1

40

10

2

10

-1

Curve 1: 10 µF, 35 and 40 V

Curve 2: 33 µF, 25 V

Curve 3: 47 µF, 25 V

Curve 4: 68 µF, 10 V; 150 µF, 6.3 V

Case Ø D x L = 7.6 x 20.4 mm

1

2

3

4

5

ESR at 100 Hz