594D6.8X9-010C2T datasheet(5/9 Pages) VISHAY

Part #	594D6.8X9-010C2T

Description	Solid Tantalum Chip Capacitors TANTAMOUNT, Conformal Coated, Maximum CV, Low ESR

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70

594D

Vishay Sprague

Document Number 40006

Revision 09-Mar-05

For technical questions, contact tantalum@vishay.com

7.1

At + 25

°C, the leakage current shall not exceed the

value listed in the Standard Ratings Table.

7.2

At + 85

°C, the leakage current shall not exceed 10

times the value listed in the Standard Ratings Table.

7.3

At + 125

°C, the leakage current shall not exceed

12 times the value listed in the Standard Ratings Table.

1.

Operating Temperature: Capacitors are designed

to operate over the temperature range of

- 55°C to + 85°C.

1.1

Capacitors may be operated to + 125°C with voltage

derating to two-thirds the + 85°C rating.

2.

DC Working Voltage: The DC working voltage is

the maximum operating voltage for continuous

duty at the rated temperature.

3.

Surge Voltage: The surge DC rating is the

maximum voltage to which the capacitors may be

subjected under any conditions, including transients

and peak ripple at the highest line voltage.

3.1

Surge Voltage Test: Capacitors shall withstand

the surge voltage applied in series with a 33 ohm

± 5% resistor at the rate of one-half minute on,

one-half minute off, at + 85°C, for 1000 successive

test cycles.

3.2

Following the surge voltage test, the dissipation

factor and the leakage current shall meet the initial

requirements; the capacitance shall not have

changed more than ± 10%.

4.

Capacitance Tolerance: The capacitance of all

capacitors shall be within the specified tolerance

limits of the normal rating.

4.1

Capacitance measurements shall be made by means

of polarized capacitance bridge. The polarizing volt

age shall be of such magnitude that there shall be no

reversal of polarity due to the AC component. The

maximum voltage applied to capacitors during

measurement shall be 2 volts rms at 120 Hz at +25°C.

If the AC voltage applied is less than one-half volt

rms, no DC bias is required. Accuracy of the bridge

shall be within ± 2%.

5.

Capacitance Change With Temperature: The

capacitance change with temperature shall not

exceed the following percentage of the capacitance

measured at + 25°C:

- 55°C

- 10%

+ 85°C

+ 10%

+ 125°C

+ 12%

6.

Dissipation Factor: The dissipation factor, deter-

mined from the expression 2πfRC, shall not exceed

values listed in the Standard Ratings Table.

6.1

Measurements shall be made by the bridge

method at, or referred to, a frequency of 120 Hz

and a temperature of + 25°C.

7.

Leakage Current: Capacitors shall be stabilized at

the rated temperature for 30 minutes.

Rated voltage shall be applied to capacitors for 5

minutes using a steady source of power (such as a

regulated power supply) with 1000 ohm resistor

connected in series with the capacitor under test to

limit the charging current. Leakage current shall

then be measured.

Note that the leakage current varies with applied volt

age. See graph below for the appropriate adjustment

factor.

TYPICAL LEAKAGE CURRENT FACTOR RANGE

+ 85

°C Rating

+ 125

°C Rating

Working

Voltage

(V)

Working

Voltage

(V)

Surge

Voltage

(V)

Surge

Voltage

(V)

4.0

6.3

10

16

20

25

35

50

5.2

8

13

20

26

32

46

65

2.7

4

7

10

13

17

23

33

3.4

5

8

12

16

20

28

38

PERFORMANCE CHARACTERISTICS

100

10

1.0

0.1

0.01

0.001 0

10

20

30

40

50

60

70

80

90

100

+ 125

°C

+ 85

°C

+ 55

°C

+ 25

°C

0

°C

- 55

°C

Percent of Rated Voltage

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