MIL-T-27/159C
REQUIREMENTS: (When numbers in parentheses, such as (1-2) are used, they indicate the winding and the extreme terminals of the winding.)
Electrical ratings: See table I.
Inductance (1-2): 1.25 H, minimum. Voltage (1-2): 10 volts, 60 Hz. Current (1-2): 100 mA dc.
DC resistance (1-2): 120 ohms, maximum. Working voltage (Peak): 357 volts.
Power: 1.1 watts
Design and construction:
Dimensions and configuration: See figure 1. Duty cycle: Continuous.
Case: Encapsulated.
Material: Epoxy.
Weight: 136 grams, maximum.
Terminals: Solder terminal, ST-1835-3 or equivalent.
Height: .188 ±.016 inch (4.78 ±0.41 mm). Altitude: 100,000 feet, maximum.
Operating temperature range: -55°C to +130°C.
Terminal strength: MIL-STD-202, method 211, test condition A, 5 pounds. Vibration (high frequency): MIL-STD-202, method 204.
Dielectric withstanding voltage:
At sea level: 1,000 V rms.
At barometric pressure: 447 V rms. Electrical characteristics:
Inductance: With 10 volts, 60 Hz across (1-2), and 100 mA dc applied to (1-2) the inductance shall be 1.25 H minimum.
Temperature rise: 45°C with 10 volts, 60 Hz, 100 mA dc applied to (1-2) at an ambient temperature of 85°C. VERIFICATION
Qualification inspection: Not applicable.
Conformance inspection: Groups A and B tests of MIL-PRF-27 shall be applicable. Marking location: See figure 1.
Part or Identification Number (PIN): M27/159-01.
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