Typical Performance Characteristics

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Vishay Sprague

Revision: 19-Sep-2022

1

Document Number: 40194

For technical questions, contact: tantalum@vishay.com

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Conformal Coated Tantalum Capacitors

Notes

• All information presented in this document reflects typical performance characteristics

• For more information about recommended voltage derating see: www.vishay.com/doc?40246

(1) Capacitance value 15 μF and higher

(2) For 597D only

ELECTRICAL PERFORMANCE CHARACTERISTICS

ITEM

PERFORMANCE CHARACTERISTICS

Category temperature range

-55 °C to +85 °C (to +125 °C with voltage derating)

Capacitance tolerance

± 20 %, ± 10 %, tested via bridge method, at 25 °C, 120 Hz

Dissipation factor

Limits per Standard Ratings table. Tested via bridge method, at 25 °C, 120 Hz

ESR

Limits per Standard Ratings table. Tested via bridge method, at 25 °C, 100 kHz

Leakage current

After application of rated voltage applied to capacitors for 5 min using a steady source of power with 1 k

Ω

resistor in series with the capacitor under test, leakage current at 25 °C is not more than 0.01 CV or

0.5 μA, whichever is greater. Note that the leakage current varies with temperature and applied voltage.

See graph below for the appropriate adjustment factor.

Capacitance change by

temperature

For capacitance value

≤ 300 μF

+12 % max. (at +125 °C)

+10 % max. (at +85 °C)

-10 % max. (at -55 °C)

For capacitance value > 300 μF

+20 % max. (at +125 °C)

+15 % max. (at +85 °C)

-15 % max. (at -55 °C)

Reverse voltage

Capacitors are capable of withstanding peak voltages in the reverse direction equal to:

10 % of the DC rating at +25 °C

5 % of the DC rating at +85 °C

1 % of the DC rating at +125 °C

Vishay does not recommend intentional or repetitive application of reverse voltage.

Ripple current

For maximum ripple current values (at 25 °C) refer to relevant datasheet. If capacitors are to be used at

temperatures above +25 °C, the permissible RMS ripple current (or voltage) shall be calculated using the

derating factors:

1.0 at +25 °C

0.9 at +85 °C

0.4 at +125 °C

Maximum operating and surge

voltages vs. temperature

+85 °C

+125 °C

RATED VOLTAGE

(V)

SURGE VOLTAGE

(V)

CATEGORY VOLTAGE

(V)

SURGE VOLTAGE

(V)

2.0

2.7

1.3

1.7

4.0

5.2

2.7

3.4

6.3

8.0

4.0

5.0

10

13

7.0

8.0

15 / 16

20

10

12

20

26

13

16

25

32

17

20

35

46

23

28

40

52

26

31

50

65

33

40

50 (1)

60

33

40

63 (2)

75

42

50

75 (2)

75

50

50

Recommended voltage

derating guidelines

(below 85 °C)

VOLTAGE RAIL (V)

CAPACITOR VOLTAGE RATING (V)

≤ 3.3

6.3

510

10

20

12

25

15

35

24

50 or series configuration

28

63 or series configuration

≥ 32

75 or series configuration

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