MIL-T-27/1898
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): 1.5 millihenries, minimum. Voltage (1-2): 30 volts rms, 16 kHz.
Current (1-2): 1.5 amperes, dc.
DC resistance (1-2): 1.6 ohms, maximum. Working voltage: 225 volts, maximum to ground.
Design and construction:
Dimensions and configuration: See figure 1. Duty cycle: Continuous.
Case: Encapsulated.
Material: Epoxy.
Terminals: Pin type, tinned copper.
Height: .500 inch (12.70 mm), minimum. Diameter: 20 AWG (.32 inch (8.13 mm)).
Weight: 1.5 ounces, maximum.
Operating temperature range: -55°C to +130°C. Altitude: 70,000 feet, maximum.
Terminal strength: MIL-STD-202, method 211, test condition A, 2.0 pounds. Shock (specified pulse): MIL-STD-202, method 213, test condition A. Vibration (high frequency): MIL-STD-202, method 204.
Dielectric withstanding voltage: MIL-STD-202, method 301. At sea level: 1,000 Vrms.
At reduced barometric pressure: 300 Vrms. Electrical characteristics:
Inductance: With 30 volts rms, 16 kHz, and 1.5 amperes dc applied to (1-2), the inductance shall be
1.5 millihenries, minimum.
Temperature rise: 30°C with 30 volts rms, 16 kHz, 1.5 amperes dc applied to (1-2) at an ambient temperature of 125°C, maximum.
2
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