MIL-PRF-27/111A
REQUIREMENTS: (When numbers in parentheses, such as (1-2) are used, they indicate the winding and the
extreme terminals of the winding.)
Electrical ratings:
Inductance (1-2): 10 mH, minimum.
Voltage (1-2): 1 volt, 0.4 kHz.
Current (1-2): .050 ampere dc.
DC resistance (1-2): 0.5 ohm dc maximum.
Working voltage: 10 volts, maximum.
Power: 0.05 watt, maximum.
Design, configuration, and physical dimensions: See figure 1.
Duty cycle: Continuous.
Case: Metal.
Material: Epoxy filled.
Terminals: Brass, solder type, glass to metal compression seal.
Terminal length: 0.4 inch (10 mm), minimum.
Weight: 0.19 pound, maximum.
Operating temperature range: -55°C to +171°C.
Terminal strength: MIL-STD-202, method 211, test condition A, 5 pounds.
Dielectric withstanding voltage: MIL-STD-202, method 301.
At sea level: 50 volts rms.
At reduced barometric pressure: 50 volts rms.
Electrical characteristics:
Inductance: With 1 volt rms, 0.4 kHz across,, and .050 ampere dc applied to (1-2), the inductance
shall be 10 mH minimum.
Marking location: See figure 1.
Part or Identifying Number (PIN): M27/111-01.
2
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