MIL-T-27/2028
REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the winding and the extreme terminals of the windings.)
Electrical ratings:
Primary voltage (1-2-3): 105/115 volts, 380 Hz to 1,000 Hz. Primary current (1-3): 0.3 ampere rms, maximum. Voltampere rating: 34.7 voltamperes.
Secondary voltage (4-6): 6.3 volts ct.
Secondary current (4-6): 5.5 amperes rms, maximum. Working voltage (peak):
(1-3): 535 volts.
(4-6): 1,070 volts. Design and construction:
Dimensions and configuration: See figure 1. Duty cycle: Continuous.
Case: Encapsulated. Material: Epoxy.
Terminals: Solder terminal, Malco no. 1472 or equivalent. Terminal height: .219 ±.062 inch.
Weight: 260 grams, maximum.
Operating temperature range: -55°C to +130°C.
Terminal strength: MIL-STD-202, method 211, test condition A, 5 pounds. Dielectric withstanding voltage (at sea level):
(1-3): 1,500 volts rms. (4-6): 2,500 volts rms.
Electrical characteristics:
No load: With 115 volts, 400 Hz across (1-3), current in (1-3) shall not exceed 100 milliamperes and the power in (1-3) shall not exceed 2 watts. Voltage across (4-6): 6.74 volts ct, ±5 percent.
Rated load: With 115 volts, 400 Hz across (1-3), the voltage across (4-6) shall be 6.3 volts ct,
±5 percent.
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