MIL-C-18312/2D
Solderability: Method 208 of MIL-STD-202.
Terminal strength: Method 211 of MIL-STD-202, conditions A and D.
Condition A: Applied force 4 1/2 pounds.
Condition D: 3 twists of 360 degrees.
Low temperature and capacitance change with temperature:
Conditions: 48 hours with rated voltage applied.
Capacitance change: See table III.
Life:
Qualification: Test voltage 140 percent of rated voltage, 1,000 hours at high ambient temperature.
Conformance: 250 hours at conditions specified for 1,000-hour test.
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
-55 to +85°C
Operating temperature range
DC voltage rating (volts)
200
400, 600
50
+125°C
+125°C
+85°C
High ambient test temperature
-55°C
-55° C
-55°C
Low ambient test temperature
Megohms x microfarads:
At +25°C
2,000 min
2,000 min
25,000 min
At high ambient test temperature
10 min
40 min
500 min
Insulation resistance (megohms):
At +25°C 1/
12,000
12,000
50,000
At high ambient test temperature 1/
150
600
5,000
Capacitance change at low temperature
-15% max
-15% max
-8% max
Life test voltage (% rated voltage)
140 %
140 %
140 %
1/ Need not exceed.
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