MIL-PRF-19978/1F
REQUIREMENTS:
Design and construction:
Case material: Nonmagnetic (screwneck and end seal may be of magnetic material).
Characteristic: See table I.
TABLE I. Characteristic.
Characteristic
Rated
Dielectric
Dielectric
material
symbol
temperature
absorption
-65° to +125°C
Paper and polyethelene terephthalate
K 1/
N/A
-65° to +85°C
Polyethelene terephthalate
M 1/
0.60
-65° to +65°C
Polystyrene
P
0.10
-65° to +170°C
Polytetraflouroethylene
T
0.10
1/ Characteristics K and M are inactive for new equipment design.
Terminals: Axial wire lead (see figure 1).
Circuit diagram:
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Rated voltage: See table III.
Rated temperature: See table I.
Voltage derating (characteristic K only): See figure 2.
Capacitance (cap) (nom): See table III.
Capacitance tolerance: See table III.
Dissipation factor (DF):
Characteristic
Dissipation factor (max)
K
1.0 percent
M
0.6 percent
P and T
0.1 percent
Seal: Method 112 of MIL-STD-202, test condition letter A.
Dielectric withstanding voltage (DWV):
Sleeving: In accordance with MIL-PRF-19978.
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