MIL-PRF-39022/7D
REQUIREMENTS:
Dimensions and configuration: See figure 1 and table I.
Case material: Nonmagnetic.
Capacitance value: See table I.
Capacitance tolerance: 10 percent.
Rated voltage: RMS sine wave ac at 60 through 400 Hz (see table I).
Dielectric material: Normally polycarbonate.
Operating temperature range: -55°C to +85°C.
Failure rate level: M (1.0 percent), P (0.1 percent), R (0.01 percent), and S (0.001 percent).
Thermal shock: Method 107 of MIL-STD-202, condition A .
Seal:
For unimpregnated units: Method 112 of MIL-STD-202, condition A, except at +85°C +4°C, -0°C.
For impregnated units: One hour at rated temperature with no evidence of leakage.
Dielectric withstanding voltage (DWV): Method 301 of MIL-STD-202.
Terminal to terminal: 140 percent of rated ac voltage (V rms at 60 Hz) on voltages of ≤ 300 volts; 120 percent
of rated ac voltage (V rms at 60 Hz) on voltages of ≥ 350 volts.
Terminals to case: 900 V rms (at 60 Hz).
Insulation resistance (IR): Method 302 of MIL-STD-202, condition A.
Terminal to terminal: See table III.
Terminal to case: 10,000 megohms, minimum.
Capacitance: Method 305 of MIL-STD-202.
Dissipation factor (DF):
At 25°C: 0.3 percent maximum.
At 85°C: 0.6 percent maximum.
Barometric pressure (reduced): Method 105 of MIL-STD-202.
120 percent of rated ac voltage (400 Hz) at .82 inch of mercury (80,000 feet). See MIL-PRF-39022 for voltage
limitations.
Vibration, high frequency: Method 204 of MIL-STD-202, condition B (15 G).
Salt spray (corrosion): Method 101 of MIL-STD-202, condition B (48 hours).
Salt solution: 5 percent.
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