CSR91B565KB datasheet(81/84 Pages) KEMET

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c. Applied force—3 pounds (1.4 kg).

d. Test Condition letter—C (M39003 Test Condition let-

ter—D)

e. Applied Force—1 pound, 3 bends.

• VIBRATION; HIGH FREQUENCY: Per MIL-STD-202,

Method 204, Condition D, 10 Hz to 2000 Hz.

a. Mounting—Capacitors shall be mounted on a fixture

by the body. Leads shall be supported by rigidly sup-

ported terminals.

b. Electrical load conditions—During the test, the spec-

ified DC rated voltage shall be applied to the capaci-

tors.

c. Test condition letter—D (20 G).

d. Duration and direction of motion—4 hours in each of

two mutually perpendicular directions (total of 8

hours), one parallel and the other perpendicular to

the axis.

e. Measurements during vibration—During the last

cycle, an electrical measurement shall be made to

determine intermittent operation or open- or short-cir-

cuiting. Observations shall also be made to deter-

mine intermittent contact or arcing or open- or short-

circuiting. Detecting equipment shall be sufficiently

sensitive to detect any interruption with a duration of

0.5 ms, or greater.

Examination after test—Capacitors shall be visually

examined for evidence of mechanical damage.

• SHOCK TEST: Per MIL-STD-202, Method 213. The fol-

lowing details shall apply:

a. Special mounting means—Capacitors shall be rigidly

mounted on a mounting fixture by the body. When

securing leads, care shall be taken to avoid pinching

the heads.

b. Test-condition letter—I (100 G peak). 6 ms. (saw-

tooth)

c. Measurements and electrical loading during shock—

During the test, observations shall be made to deter-

mine intermittent contact or arcing or open- or short-

circuiting. Detecting equipment shall be sufficiently

sensitive to detect any interruption with a duration of

0.5 ms. The DC rated voltage shall be applied to the

capacitors during the test.

d. Examinations after test—Capacitors shall be visually

examined for evidence of arcing, breakdown, and

mechanical damage.

• HUMIDITY LIFE TEST: Capacitors shall be capable of

withstanding 1000 hours at 55°C with an ambient

humidity of 90-95% RH with rated DC voltage applied.

After the capacitors have stabilized for a period of 24

hours at 25°C, they shall meet the following limits:

DCL shall not exceed 5 times the initial limit.

Capacitance shall be within ±10% of the initial value.

DF shall not exceed 2 times the initial limit.

• THERMAL

SHOCK—MIL-STD-202,

Method

107:

Capacitors shall be subjected to thermal shock in accor-

dance with MIL-STD-202, Method 107, Test Condition A.

M39003 Components tested to MIL-STD-202, Method

107, Condition B. Measurements before and after

cycling are required. Conditioning prior to the first cycle

will be 15 minutes at the following standard inspection

conditions:

a. Relative Humidity—Less than 50%.

b. Ambient Temperature—25°C ±5°C.

c. Final measurements are made after stabilization at

room temperature.

• MOISTURE RESISTANCE—MIL-STD-202, Method 106:

Capacitors

shall

tested

accordance

with

MIL-STD-202, Method 106 including the following

details:

a. Mounting—The capacitors shall be mounted by nor-

mal mounting means

b. Initial Measurements

c. Polarizing and Load Voltage—Not applicable

d. Final measurements—After the final cycle and within

2 to 6 hours after removal of the capacitors from the

humidity chamber, capacitance, dissipation factor,

and DC leakage will be measured.

DCL should not exceed the initial 25°C limit.

Capacitance should be within ±10% of the initial mea-

sured value.

DF should not exceed the initial 25°C limit.

• RESISTANCE

SOLVENTS

—

MIL-STD-202,

Method 215:

Brushing required after test.

DCL meets limit shown in respective Part Number

Tables.

Capacitance meets applicable tolerance.

DF meets limits shown in respective Part Number

Tables.

No visible damage to case or marking.

• RESISTANCE TO SOLDERING HEAT — MIL-STD-202,

Method 210, Test Condition.

Letter B. (260° for 10 Sec.)

Leads shall be immersed to within 1⁄4 inch of the capac-

itor body. Capacitance, DF, and DCL should meet origi-

nal limits shown in respective Part Number Tables.

• SOLDERABILITY — MIL-STD-202, Method 208;

Number of terminations on each capacitor tested: 2.

Depth of insertion in flux and solder to within .125" of

capacitor body.

• FLAMMABILITY — The encapsulant for Molded and

Conformal Coated Product meets or exceeds the fol-

lowing requirements:

Underwriters Lab. UL 94V-0

Oxygen Index per ASTM-D-2863

28% min.

• STABILITY AT LOW AND HIGH TEMPERATURE

-55°C to 125°C: Capacitors will be capable of

withstanding

extreme

temperature

testing

succession of continuous steps at +25°C, -55°C, +25°C,

+85°C, +125°C, +25°C, in the order stated. Capacitors

shall be brought to thermal stability at each test

KEMET

APPLICATION NOTES FOR TANTALUM CAPACITORS

KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606 (864) 963-6300

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