MIL-DTL-3965H
3.14 Thermal shock. When tested as specified in 4.7.10, capacitors and brackets shall meet the following
requirements:
a. Capacitors:
DC leakage
Shall not exceed 125 percent of the applicable value
specified (see 3.1).
Capacitance
Shall change not more than +5 percent from the initial
measured value (see 3.10).
Dissipation factor
Shall not exceed 115 percent of the applicable value
specified (see 3.1).
Visual examination
There shall be no evidence of mechanical damage, obliteration
of marking, or leakage of electrolyte.
b. Brackets:
Visual examination
There shall be no evidence of mechanical damage or
obliteration of marking.
3.15 Salt atmosphere (for qualification only). When capacitors and brackets are tested as specified in 4.7.11,
there shall be no harmful corrosion, and at least 90 percent of any exposed metal surface shall be protected by the
finish. There shall be no unwrapping of, or mechanical damage to, the insulating sleeving, when applicable. Marking
shall remain legible.
NOTE: Harmful corrosion shall be construed as being any type of corrosion which in any way
interferes with the mechanical or electrical performance of the capacitor or mechanical performance
of the bracket.
3.16 Solderability (capacitors with axial wire-lead terminals only, see 3.1). When capacitors are tested as
specified in 4.7.12, the dipped portion of the terminals shall conform to the solid-wire termination criteria of method
208 of MIL-STD-202.
3.17 Terminal strength. When capacitors are tested as specified in 4.7.13, there shall be no loosening or
permanent damage to the terminals, terminal weld or solder, or seal.
3.18 Surge voltage. When capacitors are tested as specified in 4.7.14, there shall be no intermittent contacts,
open-circuiting or short-circuiting, mechanical damage, or leakage of electrolyte.
3.19 Moisture resistance. When tested as specified in 4.7.15, capacitors and brackets shall meet the following
requirements:
a. Capacitors:
DC leakage
Shall not exceed 125 percent of 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 115 percent of the applicable value specified
(see 3.1).
Visual examination
There shall be no evidence of harmful corrosion (as defined in
3.15), mechanical damage, obliteration of marking, or leakage of
electrolyte.
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