MIL-C-62F
3.17 Surge voltage. When capacitors are tested as specified in 4.5.14, there shall be no breakdown or other
permanent injury. Terminals and seals shall remain intact. There shall be no evidence of leakage of the electrolyte
when the capacitor is held with its terminals downward during the test. The capacitors shall meet the following
requirements:
DC leakage - - - - - - - - - -
As specified in 3.6.
Capacitance - - - - - - - - -
Change not more than 6 percent from the initial value obtained when measured as
specified in 4.5.4, unless otherwise specified (see 3.1).
Dissipation factor - - - - - - As specified in 3.8.
Visual examination - - - - - There shall be no mechanical damage, leakage of the electrolyte, or deformation of the
case.
3.18 Vent (applicable only to styles CE70 and CE71). When capacitors are tested as specified in 4.5.15, the vent
shall operate, and there shall be no explosive expelling of the contents. Disruption shall occur only at the vent; the
3.19 Life. When tested as specified in 4.5.16, capacitors shall meet the following requirements:
As specified in 3.6.
DC leakage - - - - - - - - - - -
Capacitance- - - - - - - - - - -
Shall be within the following percentages of the initial value obtained when
measured as specified in 4.5.4.
a. -20 percent, +15 percent for capacitors with dc rated voltage of 100 volts or
less.
b. 15 percent for capacitors with dc rated voltage above 100 volts.
Dissipation factor - - - - - - -
Shall not exceed 150 percent of the initial measured value or shall meet the initial
requirement, whichever is greater (see 3.8).
Visual examination - - - - - - - There shall be no mechanical damage, leakage of the electrolyte, or deformation of
the case.
Internal examination - - - - - - - As specified in 3.3.2.
3.20 Barometric pressure. When capacitors are tested as specified in 4.5.17, there shall be no flashover,
breakdown, deformation of the case, or leakage of the electrolyte.
3.21 Shelf life. When tested as specified in 4.5.18, capacitors shall meet the following requirements:
Build factor - - - - - - - - - - -
Shall not exceed 4.0 when determined as specified in 4.5.18.1.
Shall not exceed 3.0 when determined as specified in 4.5.18.1.
Shelf factor - - - - - - - - - - -
Shall not exceed 150 percent of the initial requirement (see 3.6) when measured as
DC leakage - - - - - - - - - -
specified in 4.5.3.
Capacitance - - - - - - - - - - Change not more than 6 percent from the initial value obtained when measured as
specified in 4.5.4.
Dissipation factor - - - - - - - Shall not exceed 175 percent of the initial requirement (see 3.8).
Visual examination - - - - - - There shall be no leakage of the electrolyte or deformation of the case.
Internal examination - - - - - - As specified in 3.3.2.
3.22 Marking. Capacitors shall be marked with the type designation, manufacturer's name or code symbol,
capacitance in F, dc rated voltage, positive terminals (see 3.22.1) and date of manufacture. The date and source
coding shall be in accordance with MIL-STD-1285.
3.22.1 Polarity. Polarity shall be indicated by a plus (+) symbol near the positive terminal except for styles CE10,
CE11, CE12, and CE13 which shall have the polarity indicated by a series of plus (+) symbols completely
surrounding the perimeter of positive end of the tubular case.
3.23 Workmanship. Capacitors shall be processed in such a manner as to be uniform in quality and shall be free
from pits, corrosion, cracks, rough edges, and other defects that will affect life, serviceability, or appearance.
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