MIL-PRF-39022/10B
REQUIREMENTS:
Case material: Nonmagnetic (end seals may be of magnetic material).
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 rating; derate to 60 percent of 85°C rating for operation at 125°C.
Dielectric material: Polycarbonate.
Operating temperature range: -55°C to +125°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, except step 3 shall be +125°C +4°C, -0°C.
Radiographic inspection (X-ray): Method 209 of MIL-STD-202. (Required for FR levels R and S only.)
DC burn-in: In accordance with MIL-PRF-39022, table VI, qualification inspection, group I and table VII, group A
inspection, subgroup 1, except 140 percent minimum of dc rated voltage shall be applied for 48 hours minimum at
+125°C +4°C, -0°C. 100 percent inspection required.
Seal: Method 112 of MIL-STD-202, condition A or test condition D with no evidence of leakage. For liquid
impregnant capacitors, the alternative seal test in MIL-PRF-39022 may be used with a temperature of +125°C
+4°C, -0°C and length of test of 1 hour.
Dielectric withstanding voltage (DWV): Method 301 of MIL-STD-202; 100 percent inspection required following dc
burn-in.
Terminal to terminal:
AC: 100 ± 10 Hz square wave, peak-to-peak voltage, three times dc rated voltage for 60 seconds
minimum, but need not exceed 800 V peak-to-peak. Square wave signal shall have a rise time of 10
to 100 microseconds and a maximum overshoot of 20 percent of rated peak voltage.
DC: 200 percent of dc rated voltage for 60 seconds, minimum.
Terminals to case (when case is not a terminal): Same requirements as specified for terminal to terminal dc
DWV test.
Insulation resistance (IR): Method 302 of MIL-STD-202.
Terminal to terminal: See table III.
Terminal to case (when case is not a terminal): 50,000 megohms, minimum.
Capacitance: Method 305 of MIL-STD-202.
Dissipation factor (DF):
At 25°C: 0.25 percent maximum.
At 85°C: 0.40 percent maximum.
At 125°C: 0.60 percent maximum.
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