MIL-PRF-81/6F
Capacitance drift: Within 0.75 percent of initial step 1 measurement or 0.50 (picofarad) pF, whichever is greater.
Terminal strength: Pull test: Capacitor held by body and 4-pound load applied to each terminal for at least 10
seconds.
Torque: Not less than 0.3 ounce-inch nor more than 3 ounce-inches.
Shock (specified pulse): Method 213 of MIL-STD-202, condition I (100 g's).
Vibration, high frequency: Method 204 of MIL-STD-202, condition B (15 g's).
Capacitance change: Shall not exceed ±2 percent or 0.5 pF, whichever is greater.
DF: Shall be not more than 0.2 percent for characteristic A and 0.5 percent for characteristics C and G.
Dielectric withstanding voltage: 200 volts dc, applied for 3 seconds ±2 seconds.
Insulation resistance: 10,000 megohms, minimum.
Fatigue:
Capacitance change: Shall not exceed ±12 percent of initial value or 0.75 pF, whichever is greater.
Torque: Not less than .3 ounce-inches, nor more than 3 ounce-inches.
Life:
Qualification test: 1,000 hours at 85°C, 150 percent of rated volts dc with a peak alternating voltage of 50
percent of rated volts dc (100 hertz or less) superimposed.
Insulation resistance: Initial requirement.
Capacitance change: Shall not exceed ±8 percent of initial value or 0.5 pF, whichever is greater.
Group C life: Conditions and requirements are the same as that for qualification except that capacitance change
shall not exceed ±5 percent of initial value or 0.5 pF, whichever is greater.
Moisture resistance: Method 106 of MIL-STD-202.
Insulation resistance: 10,000 megohms, minimum.
Capacitance change: Shall not exceed ±5 percent of nominal value or 0.5 pF, whichever is greater.
DF: Shall not be more than 0.5 percent for characteristic A and 1.25 percent for characteristics C and G.
CHANGES FROM PREVIOUS ISSUE: The margins of this specification sheet are marked with asterisks to indicate
where changes from the previous issue were made. This was done as a convenience only and the Government
assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to
evaluate the requirements of this document based on the entire content irrespective of the marginal notations and
relationship to the last previous issue.
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