135D

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Revision: 09-Apr-13

9

Document Number: 40024

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

10.

Ripple Life Test at + 85 °C: Capacitors shall be tested

in accordance with Military Specification MIL-C-39006

except that:

a) Operation conditions: This test shall be run at a

frequency of 40 kHz ± 2 kHz sinusoidal and at the

RMS ripple current levels specified in the Standard

Ratings and Extended Ratings table.

b) Applied DC voltage shall be reduced so that the

peak AC voltage plus DC voltage shall not exceed

the rated voltage of the capacitor in either the

forward or reverse direction.

10.1 When tested as specified above, capacitors shall meet

the following requirements:

a) The DC leakage current at + 25 °C and at + 85 °C

shall not exceed the original requirements.

b) The capacitance shall not change more than ± 15 %

from the initial measured value.

c) The dissipation factor shall not exceed the original

requirements.

d) Visual examination: There shall be no damage,

obliteration of marking or leakage of electrolyte.

11.

Reverse Voltage Test: Capcitors shall withstand a

for 2000 h. The capacitors shall then be restabilized for

24 h at 85 °C with rated DC forward potential applied

through a 1000

 resistor.

11.1 Following the reverse voltage test, the DC leakage

current shall not be in excess of the original

requirement; the equivalent series resistance shall not

exceed 200 % of the initial requirement; the

capacitance value shall not be less than 90 % of the

initial measurement.

12.

Mechanical Shock Test: Capacitors shall withstand a

shock of 500 g when tested in accordance with

method 213 of MIL-STD-202, test condition D.

12.1 Following the mechanical shock test, capacitors shall

be examined for evidence of mechanical damage and

leakage of electrolyte. Capacitance, equivalent series

resistance, and DC leakage current shall meet the

initial requirements.

13.

High

Frequency

Vibration:

Capacitors

shall

withstand vibration from 10 Hz to 2000 Hz at 80 g

without internal damage when tested in accordance

with MIL-STD-202, method 204, test condition H.

Electrical measurements made while under these

conditions shall show no intermittent contacts, open

circuits or short circuits.

13.1 Capacitors shall be securely fastened by means of

suitable component clips or brackets.

14.

Random

Vibration:

Capacitors

shall

withstand

random vibration at all levels up to 51 g RMS overall

when tested in accordance with MIL-STD-202,

method 214, test condition II K. The test shall be

conducted for 1.5 h in each of three mutually

perpenticular directions.

14.1 Electrical measurements made during the test shall

show no intermittent contacts, open circuits or short

circuits.

15.

Pull Test: Leads shall withstand a tensile stress of 3

lbs. (1.4 kg) for 30 s applied axially in accordance with

MIL-STD-202, method 211, test condition A.

16.

Lead Bend Test: Leads shall meet the bend test

specified in Military Standard MIL-STD-202, method

211 A, condition C except that the number of bends

shall be 4.

17.

Moisture Resistance: Capacitors shall withstand the

moisture resistance cycling test specified in Military

Standard

MIL-STD-202,

method

106,

without

departure from the original limits of capacitance,

equivalent series resistance and DC leakage current.

18.

Reduced Pressure: Capacitors shall be stabilized at

a reduced atmospheric pressure of 0.82" [20.83 mm]

of mercury for a period of 5 min. Rated DC voltage

shall be applied for 1 min. Capacitors shall not flash

over nor shall end seals be damaged by this nor

should the capacitors be electrically effected insofar

as capacitance, equivalent series resistance or

leakage current is concerned.

19.

Seal Test:

19.1 Capacitors shall be tested in accordance with

MIL-STD-202,

method

112,

test

condition

C,

procedure IIIa. Specimens shall be pressurized at 4

atmospheres (gage) for 4 h.

20.

Thermal Shock: Capacitors shall be subjected to 300

cycles of thermal shock in accordance with Military

specification MIL-C-39006.

20.1 Following the thermal shock test, capacitor leakage

current shall not exceed twice the initial requirement.

21.

Marking: Capacitors shall be marked with Sprague,

the Sprague type (135D); rated capacitance and

tolerance (the tolerance shall be coded, using the list

shown in How to Order); rated DC working voltage at

+ 85 °C; the standard EIA date code of manufacture.

21.1 Polarity shall be indicated by plus signs (+) adjacent to

the positive terminal.