MIL-PRF-39022/11D
REQUIREMENTS:
Case: Hermetically sealed.
Capacitance value: See table I.
Capacitance tolerance: F (1 percent), G (2 percent), J (5 percent), and K (10 percent).
Rated voltage: See table I for +85°C ratings. For +125°C operation, linearly derate +85°C rating by 50 percent.
Operating temperature range: -55°C to +125°C.
Failure rate level (FRL): M (1.0 percent), P (0.1 percent), R (0.01 percent), and S (0.001 percent).
Preconditioning: Not applicable.
Flash point of impregnant: Not applicable.
Thermal shock: Method 107 of MIL-STD-202, condition B.
Radiographic inspection (x ray): Not applicable.
Burn-in: DC: 48 hours at 125°C at 1.4 times the derated 125°C dc voltage rating. The current to each capacitor
shall be limited to 1 ampere maximum by a series resistor.
AC: Not applicable.
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Seal: Method 112 of MIL-STD-202, test condition C, procedure IIIa, with a leakage rate sensitivity of 10 atm cm /s.
After test condition C is completed, test condition A or test condition D shall be performed.
Dielectric withstanding voltage (DWV): In accordance with MIL-PRF-39022, except the charge time shall be 60
seconds minimum, 120 seconds maximum.
Insulation resistance (IR): In accordance with MIL-PRF-39022. When measured at the applicable test temperature
and rated voltage, the insulation resistance shall equal or exceed the following values:
Terminal to terminal
+25°C
+85°C
+125°C
Temperature
Megohm x Microfarads
100,000
7,000
700
Except the insulation
resistance in megohms
200,000
70,000
7,000
need not exceed:
Terminal to case: Not applicable.
Capacitance: Method 305 of MIL-STD-202.
Test frequency: 1 kHz ±100 Hz.
Limit of accuracy: Within ±0.05 percent.
Dissipation factor (DF): Shall not exceed .2 percent at 1 kHz. Limit of accuracy shall be within ±0.05 percent.
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