MIL-C-5/18F
Thermal shock: Method 107 of MIL-STD-202, condition A, except the high temperature shall be as follows:
Symbol O: +125°C.
Symbol P: +150°C.
Immersion: Method 104 of MIL-STD-202, test condition B.
Dielectric withstanding voltage: Meet initial requirement.
Insulation resistance: At least 30 percent of initial requirement.
Dissipation factor: Not greater than 150 percent of initial requirement.
Capacitance change: Shall not exceed ±1 percent of nominal value of 1 pF, whichever is greater.
Shock (specified pulse): Method 213 of MIL-STD-202, test condition I (100G).
Solderability: Method 208 of MIL-STD-202.
Terminal strength:
Pull test: Capacitor held by one terminal and a 5 pound load gradually applied to other terminal and maintained
for at least 5 seconds.
Twist test (straight wire leads only): 5 alternate 360° rotations.
Bend test (crimped wire leads only): 90° two directions from vertical.
Moisture resistance: Method 106 of MIL-STD-202:
Dielectric withstanding voltage: Initial requirement.
Insulation resistance: At least 30 percent of initial requirement.
Dissipation factor: Not greater than 150 percent of initial requirement.
Capacitance change: Shall not exceed ±1 percent of nominal value of 1 pF, whichever is greater.
Temperature coefficient and capacitance drift: Within the limits specified for the applicable characteristic.
Low temperature storage and life: 48 hours at -55 +0°C, -2°C immediately followed by qualification or performance
test, as applicable.
Qualification test: 2,000 hours at applicable high test temperature with 150 percent of rated dc voltage applied.
Dielectric withstanding voltage: Initial requirement.
Insulation resistance: Initial requirement.
Dissipation factor: Not greater than 150 percent of initial requirement.
Capacitance change: Shall not exceed ±1 percent of nominal value or 1 pF, whichever is greater.
Performance check: Conditions and requirements in accordance with qualification test except that test duration
shall be 250 hours.
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