MIL-DTL-3965H
3.22.3 1,760-hour (group C inspection). When tested as specified in 4.7.18.3, capacitors shall meet the
requirements specified in 3.23.1.
3.23 Barometric pressure (reduced) (for qualification only). When capacitors are tested as specified in 4.7.19,
there shall be no flashover, breakdown, or harmful deformation of the case, and no mechanical damage, obliteration
of marking, or leakage of electrolyte.
3.24 Life at 125°C (see 3.1). When tested as specified in 4.7.20, capacitors shall meet the following
requirements:
DC leakage
(at 125°C and 25°C)
Shall not exceed the applicable value specified (see 3.1).
Capacitance
Shall change not more than the percent specified (see 3.1)
from the initial measured value (see 3.10).
Dissipation factor
Shall not exceed the applicable value specified (see 3.1).
Dielectric withstanding
voltage (insulated
styles only, see 3.1)
Shall be as specified in 3.7.2.
Insulation resistance
(insulated styles
only, see 3.1)
Shall be as specified in 3.8.
Visual examination
There shall be no damage, obliteration of marking, or leakage
of electrolyte.
3.25 Marking. Unless otherwise specified (see 3.1), capacitors shall be permanently and legibly marked with the
type designation, source code, date code, trademark, capacitance (in µF), and rated voltage (at 85°C) as shown in
the following example:
Example: CL67BB
141JPG
-
Part or Identifying Number (PIN).
12345
-
Source code.
TM
-
Date code and trademark.
0340
140µF6V -
Capacitance and rated voltage (at 85°C).
When applicable, polarity marking shall be as specified (see 3.1). Paper labels shall not be used. Other markings,
which in any way interfere with, obscure, or confuse those specified herein, are prohibited. The marking shall remain
legible after all tests.
3.25.1 Rated voltage. The rated voltage at 85°C shall be the only voltage marked on the capacitor.
3.25.2 Date and source codes. The date and source codes shall be in accordance with MIL-STD-1285.
3.25.3 Established reliability (ER) marking. An ER part manufactured in accordance with MIL-PRF-39006 may be
marked and furnished as a non-ER part to this specification, if produced on the same assembly line or lines and
provided it is subjected to and meet all the inspection requirements of the ER part.
3.26 Workmanship. Capacitors and brackets shall be processed in such a manner as to be uniform in quality and
shall be free from misaligned welds, cold soldering, harmful corrosion (as defined in 3.15), pits, cracks, dents, rough
edges, and other defects that will affect life, serviceability, or appearance.
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