MIL-C-19978/17B
TABLE II. Millimeter equivalent of decimal inches.
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Inches
mm
.005
.13
.400
10.16
.812
20.62
1.312
33.32
2.062
52.37
.015
.38
.562
14.27
.875
22.23
1.375
34.93
2.125
53.98
.031
.79
.670
17.02
1.000
25.40
1.562
39.67
2.312
58.72
.235
5.97
.688
17.48
1.062
26.97
1.625
41.28
2.375
60.33
.312
7.92
.750
19.05
1.125
28.58
1.812
46.02
Case material: Nonmagnetic (end seal may be of magnetic material).
Dielectric material: Paper and polyethelene terephthalate (K).
Terminals: Axial-wire lead (see figure 1).
Rated voltage: See table I.
Rated temperature: -65° to +125°C.
Capacitance (nominal): See table I.
Capacitance tolerance: ±10 percent (symbol K).
Dissipation factor (DF) (max): 1.0 percent.
Failure rate level: M, P, R or S in accordance with MIL-PRF-19978.
Burn-in: In accordance with MIL-PRF-19978.
Radiographic inspection: In accordance with MIL-PRF-19978.
Seal: Method 112 of MIL-STD-202, test condition letter A.
Barometric pressure, qualification only: In accordance with MIL-PRF-19978.
Test points (see figure 1, circuit diagram):
Circuit diagram 1: Between terminals and case.
Circuit diagram 3: Between ungrounded terminal and case.
Insulation resistance (IR):
Terminal to terminal: See table III.
TABLE III. Terminal-to-terminal insulation resistance.
Capacitance rating
Minimum insulation resistance
At 25°C
0 to 0.6 microfarad
25,000 megohms
Greater than 0.6 microfarad
15,000 megohm-microfarads 1/
At 125°C
0 to 0.08 microfarad
250 megohms
Greater than 0.08 microfarad
20 megohm-microfarads 1/
1/ Product obtained by multiplying the capacitance in microfarads by
the insulation resistance in megohms.
5