MIL-T-27/1298
REQUIREMENTS: (When numbers in parentheses, i.e., (1-3) are used, they indicate the winding and the extreme terminals of the windings.)
Electrical ratings:
Primary current: 0.78 ampere, maximum. Volt-ampere: 89.8 VA.
Primary voltage:
(1-5): 115 V rms, 400 Hz.
(2-5): 47 V rms, 400 Hz, 0.425 ampere rms.. (3-5): 26 V rms, 400 Hz, 0.94 ampere rms.
(4-5): 10 V rms, 400 Hz, 0.15 ampere rms. Secondary voltage:
(6-8), (9-11), and (12-14): 77.5 V rms center tap, 0.12 ampere rms, respectively. (15-17): 168 V rms center tap, 0.029 ampere rms.
(18-20): 66 V rms center tap, 0.035 ampere rms. (21-23): 10.2 V rms, 0.2 ampere rms.
(22-23): 2 V rms, 0.001 ampere rms. DC resistance:
(1-5): 2.8 ohms, maximum. (6-8): 15 ohms, maximum.
(9-11): 15.1 ohms, maximum. (12-14): 16 ohms, maximum. (15-17): 100 ohms, maximum. (18-20): 43 ohms, maximum. (21-23): 1.65 ohms, maximum.
Working voltage:
(1-5), (6-8), (9-11), (12-14), (18-20), and (21-23): 175 volts peak, respectively. (15-17): 375 volts peak.
Design and construction:
Dimensions and configuration: See figure 1. Duty cycle: Continuous.
Case: Epoxy molded.
Material: Epoxy. Terminals: Solder type.
Terminal height: 0.562 inch.
3
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