MIL-T-27/179D
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): 1.0 henry, minimum. Voltage (1-2): 10 volts, 60 Hz, maximum. Current (1-2): 325 mA dc.
DC resistance (1-2): 44 ohms, maximum. Working voltage (peak): 1,070 volts. Power: 4.6 watts.
Design and construction:
Dimensions and configuration: See figure 1. Duty cycle: Continuous.
Case: Encapsulated.
Material: Epoxy.
Terminals: Solder type, Stewart number 900 or equivalent.
Height: .350 ±.100 inch (8.89 ±2.54 mm). Weight: 0.95 kilograms, maximum.
Operating temperature range: -55°C to +130°C.
Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds and test condition E, 8 ounce-inches. Shock (specified pulse): MIL-STD-202, method 213, test condition H.
Dielectric withstanding voltage (at sea level): 2,500 volts rms. Electrical characteristics:
Inductance: With 10.0 volts rms, 60 Hz across (1-2), and 325 mA dc applied to (1-2), the inductance shall be
1.0 H minimum.
Temperature rise: 45°C maximum with 10.0 volts rms, 60 Hz, 325 mA dc applied to (1-2) at an ambient temperature of 85°C.
Marking location: See figure 1.
Part or Identification Number (PIN): M27/179-01.
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