MIL-PRF-14409/5G
REQUIREMENTS:
Dimensions: See figure 1 and table I.
DC voltage rating: 1,000 volts.
Construction: Sealed glass, see figure 1 and table I.
Capacitance range: See table I.
Insulation resistance (IR): Method 302 of MIL-STD-202, test condition B (500 volts ±10 percent); not less than
1,000,000 megohms at room ambient temperature and not less than 100,000 megohms at 125°C.
Quality factor (Q): See table I.
Thermal Shock: Method 107 of MIL-STD-202, test condition A, except the step 3 temperature shall be 125°C
±5°C.
Immersion: Method 104 of MIL-STD-202, test condition A.
Seal test: Applicable.
Rotational life:
Capacitance change versus rotation: No reversal greater than 2 percent.
TABLE I. Type designation and characteristics.
Capacitance
Temperature coefficient
Dimensions 1/
Dielectric
Type
range
parts/million/°C
A ± .031 (0.79)
Q
material
designation
Min
Max
pF
pF
1.0
16.0
PC39G160
.469 (11.91)
750
±150
Glass
1.0
36.0
PC39G360
.703 (17.86)
550
±150
Glass
1.0
52.0
PC39G520
.922 (23.42)
350
±150
Glass
1.0
75.0
PC39G750
1.172 (29.77)
250
±150
Glass
1.0
120.0
PC39G121
1.766 (44.86)
250
±150
Glass
PC39J121
1.0
120.0
1.766 (44.86)
250
± 50
Glass
1/ Metric equivalents (to the nearest 0.01 mm) are given for general information only and are based upon
1 inch = 25.4 mm. Millimeters are in parentheses.
2