MIL-C-18312/4C
Dissipation factor:
At high ambient test temperature (any time 24 to 48 hours from start of test) - Not greater than 2.0 percent.
At high ambient test temperature (any time during last 48 hours of test). Not greater than 2.5 percent.
At 25°C (after life test): Not greater than 1.25 percent.
Capacitance:
At 25°C (after life test): Within 10 percent of initial value.
Insulation resistance: At 25°C (after life test).
Terminal to terminal: Not less than 1/3 of value specified in table III.
Terminal to case (case not a terminal): Not less than 5,000 megohms.
Supersession information: See table I.
TABLE III. Characteristic.
-55 to +125°C
Operating temperature range
DC voltage rating (volts)
200
400, 600
125°C
125°C
High ambient test temperature
-55°C
-55° C
Low ambient test temperature
Megohms x microfarads:
At 25°C
2,000 min
2,000 min
At high ambient test temperature
10 min
40 min
Insulation resistance (megohms):
At 25°C 1/
12,000
12,000
At high ambient test temperature 1/
150
600
Capacitance change at low temperature
-15% max
-15% max
Life test voltage (% rated voltage)
140 %
140 %
1/ Need not exceed.
Custodians:
Preparing activity:
Army - CR
DLA - CC
Navy - EC
Air Force - 11
(Project 5910-2126-03)
DLA - CC
Review activities:
Army - AR
Navy - AS, MC, OS
Air Force - 19
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