MIL-PRF-27/30C
REQUIREMENTS: (When numbers in parentheses, such as, (1-2) are used, they indicate the winding and the
extreme terminals of the winding.)
Electrical ratings:
Source impedance: 70Ω to 725Ω.
Load impedance: 50Ω to 600Ω.
Primary power level: +7 dB maximum (6.0 mW reference level).
Working voltage: 175 V.
Design and construction:
Dimensions and configuration: See figure 1.
Duty cycle. Continuous.
Case:
Material: Metal.
Terminals: Solder, turret type.
Weight: 10.6 ounces, maximum.
Altitude:
Operating: 10,000 feet, maximum.
Nonoperating: 25,000 feet, maximum.
Operating temperature range: -55°C to +105°C.
Maximum operating temperature: +105°C (ambient plus temperature rise).
Temperature rise: 20°C.
Terminal strength: MIL-STD-202, method 211, test condition A, 5 pounds.
Dielectric withstanding voltage: MIL-STD-202, method 301, test voltage, 500 V rms.
Insulation resistance: MIL-STD-202, method 302, test voltage, 500 volts dc.
Electrical characteristics:
Primary (terminals 1, 2, 3, 4, 5, and 6):
Impedance: See table I.
Direct current: Zero.
Inductance: 12 H minimum, 5 V, 60 Hz (terminals 1-6, connect 3 to 4).
2
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