MIL-DTL-83729/2D
REQUIREMENTS:
Contact data:
Single pole, double throw, make before break.
Polarity: When pin 1 is positive, pin 4 is connected to pin 5 and disconnected from pin 3. When pin 6 is positive,
pin 4 is connected to pin 3 and disconnected from pin 5.
Voltage and current: 1 microvolt to 6.0 volts, maximum. .001 ampere maximum
Coil data:
Voltage rated: 6.3 volts maximum.
Frequency range: 50 to 65 Hz.
Resistance: 131 ohms ± 10 percent.
Impedance: 132 ohms ± 10 percent.
Waveform characteristics (at 25°C):
Dwell time: Each contact closed 198° ± 7° of each cycle. Contacts closed simultaneously for 18° ± 10 percent
twice in each cycle.
Dissymmetry: Within ± 7°.
Transfer time: Not applicable.
Phase angle: 17° ± 5°.
Noise level: Stray pick up.
-10
Electrostatic: 2 x 10 V/ohm of input circuit impedance.
Electromagnetic: Less than 2 x 10-6 volts constant to within 2 x 10-7 volts.
Environmental conditions:
Dielectric withstanding voltage: Applicable.
Insulation resistance: Applicable.
Vibration II: Method 204, test condition A, MIL-STD-202.
(a) Qualification and quality conformance inspection: 1 1/2 hours in each of three mutually perpendicular
directions, including the most critical axis.
Output voltage: Vary less than 2 percent from 0 to 10 g's during vibration.
Shock: 30 g's for 11 milliseconds in three directions.
Temperature range: 25°C ± 10°C.
Life:
Duration of test: 2,500 hours continuous.
Temperature: 25° ± 2°C.
Coil voltage and frequency: Nominal.
Operating conditions: See table I.
Output voltage: Vary not more than 2 percent during life.
Contact resistance: Shall not exceed .100 ohm and at conclusion of life.
TABLE I. Life operating conditions.
Contact voltage
Contact current
Hours
(volt)
(ampere)
.010
.001
1,000
1.0
.0001
1,500
3
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