152D

www.vishay.com

Vishay Sprague

Revision: 17-Aug-2020

8

Document Number: 40016

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

PERFORMANCE CHARACTERISTICS (Continued)

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

15 times the value listed in the Standard Ratings

table.

8.

Life Test: capacitors shall withstand rated DC

voltage applied at +85 °C for 2000 h or rated DC

voltage applied at +125 °C for 1000 h.

8.1

Following the life test, the dissipation factor shall

meet the initial requirement; the capacitance change

shall not exceed ± 2 %; the leakage current shall not

exceed 125 % of the original requirement.

9.

Shelf Test: capacitors shall withstand a shelf test for

5000 h at a temperature of +85 °C, with no voltage

applied.

9.1

Following the shelf test, the leakage current shall

meet the initial requirement; the dissipation factor

shall not exceed 150 % of the initial requirement; the

capacitance change shall not exceed ± 5 %.

10.

Vibration Tests: capacitors shall be subjected to

vibration tests in accordance with the following

criteria.

10.1

Capacitors shall be secured for test by means of a

rigid mounting using suitable brackets.

10.2

Low Frequency Vibration: vibration shall consist of a

simple harmonic motion having an amplitude of

0.03" [0.76] and a maximum total excursion of 0.06"

[1.52], in a direction perpendicular to the major axis

of the capacitor.

10.2.1 Vibration

frequency

shall

be

varied

uniformly

between the approximate limits of 10 Hz to 55 Hz

during a period of approximately one minute,

continuously for 1 h and 1.5 h.

10.2.2 A cathode ray oscilloscope or other comparable

means shall be used in determining electrical

intermittency during the final 30 minutes of the test.

10.2.3 Electrical tests shall show no evidence of intermittent

contacts, open circuits or short circuits during these

tests.

10.2.4 Following

the

low

frequency

vibration

test,

capacitors shall meet the original requirements for

leakage current and dissipation factor; capacitance

change shall not exceed ± 5 % of the original

measured value.

10.3

High Frequency Vibration: vibration shall consist of

a simple harmonic motion having an amplitude of

0.06" [1.52] ± 10 % maximum total excursion or 20 g

peak, whichever is less.

10.3.1 Vibration frequency shall be varied logarithmically

from 50 Hz to 2000 Hz and return to 50 Hz during a

cycle period of 20 min.

10.3.2 The vibration shall be applied for 4 h in each of

2 directions, parallel and perpendicular to the major

axis of the capacitors.

10.3.3 Rated DC voltage shall be applied during the

vibration cycling.

10.3.4 A cathode ray oscilloscope or other comparable

means shall be used in determining electrical

intermittency during test. The AC voltage applied

10.3.5 Electrical tests shall show no evidence of intermittent

contacts, open circuits or short circuits during these

tests.

10.3.6 There shall be no mechanical damage to these

capacitors as a result of these tests.

10.3.7 Following

the

high

frequency

vibration

test,

capacitors

shall

meet

the

original

limits

for

capacitance, dissipation factor and leakage current.

11.

Acceleration Test:

11.1

Capacitors shall be rigidly mounted by means of

suitable brackets.

11.2

Capacitors

shall

be

subjected

to

a

constant

acceleration of 100 g for a period of 10 s in each of 2

mutually perpendicular planes.

11.2.1 The direction of motion shall be parallel to and

perpendicular

to

the

cylindrical

axis

of

the

capacitors.

11.3

Rated

DC

voltage

shall

be

applied

during

acceleration test.

11.3.1 A cathode ray oscilloscope or other comparable

means shall be used in determining electrical

intermittency during test. The AC voltage applied

11.4

Electrical tests shall show no evidence of intermittent

contacts, open circuits or short circuits during these

tests.

11.5

There shall be no mechanical damage to these

capacitors as a result of these tests.

11.6

Following the acceleration test, capacitors shall meet

the original limits for capacitance, dissipation factor

and leakage current.

12.

Shock Test:

12.1

Capacitors shall be rigidly mounted by means of

suitable brackets. The test load shall be distributed

uniformly on the test platform to minimize the effects

of unbalanced loads.

12.1.1 Test equipment shall be adjusted to produce a shock

of 100 g peak with a duration of 6 ms and a sawtooth

waveform at a velocity change of 9.7 ft./s.

12.2

Capacitors shall be subjected to 3 shocks applied in

each of 3 directions corresponding to the 3 mutually

perpendicular axes of the capacitors.

12.3

Rated DC voltage shall be applied to capacitors

during test.

12.3.1 A cathode ray oscilloscope or other comparable

means shall be used in determining electrical

intermittency during test. The AC voltage applied

12.4

Electrical tests shall show no evidence of intermittent

contacts, open circuits or short circuits during these

tests.

12.5

There shall be no mechanical damage to these

capacitors as a result of these tests.

12.6

Following the shock test, capacitors shall meet the

original limits for capacitance, dissipation factor and

leakage current.