MIL-PRF-27/306C
REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the winding and
the extreme terminals of the winding.)
Electrical ratings:
Voltage:
(1-GND): 36 volts rm (input), 20 kHz square wave.
(2-GND): 17 to 20 volts.
Current:
(1-2): 10.5 milliamperes.
(3-4): 1.0 amperes dc.
Volt-ampere rating: 0.304 volt-ampere.
Primary impedance(1-2): 3,100 ohms.
Working voltage (peak): 29 volts.
Design and construction:
Dimensions and configuration: See figure 1.
Duty cycle: Continuous.
Case: Encapsulated.
Material: Epoxy.
Terminals: Solder lug.
Height: .250 inch, maximum.
Weight: 36.86 grams, maximum.
Operating temperature range: -55°C to +130°C.
Terminal strength: Method 211 of MIL-STD-202, test condition A, 2.0 pounds.
Dielectric withstanding voltage (at sea level): 100 volts rms.
Electrical characteristics:
Rated load (see figure 2): With 36 volts rms, 20 kHz square wave across (1-GND), current in (1-2)
shall not exceed 10.5 milliamperes dc.
Voltage across (2-GND): 17 to 20 volts.
Current across (3-4): 1.0 ampere dc.
DC resistance:
(1-2): 12.8 to 17.2 ohms.
(3-4): 0.0025 to 0.0035 ohm.
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