1、AMSC N/A FSC 5945 MIL-DTL-83729/4C 12 March 2013 SUPERSEDING MIL-DTL-83729/4B 14 June 2002 DETAIL SPECIFICATION SHEET CHOPPERS, ELECTROMECHANICAL, HERMETICALLY SEALED, SINGLE POLE, DOUBLE THROW, BREAK BEFORE MAKE This specification is approved for use by all Departments and Agencies of the Departmen
2、t of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-83729. INCH-POUND Letter Inches mm Letter Inches mm A A B B C D .745 .763 1.391 1.438 2.00 .990 18.92 19.38 35.33 36.53 50.80 25.15 D E E F G 1.010 .300 .343 .830 .375 25.6
3、5 7.62 8.71 21.08 9.53 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerances are .005 (.13 mm) for three place decimals and .02 (.51 mm) for two place decimals. 4. Letter C has a tolerance of +.06 (1.52 mm). 5. Let
4、ter G has a tolerance of + .010 (.25mm). 6. When the coil is de-energized the center reed may be in any of 3 positions. FIGURE 1. Outline drawing, terminal arrangement and schematic diagram. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-837
5、29/4C 2 REQUIREMENTS: Contact data: Single pole, double throw, break before make. Polarity: With positive voltage on pin 3 and negative voltage on pin 4, pins 6 and 7 will close. Voltage and current: Dry circuit to 2 milliamperes at 10.0 V dc (maximum intermittent rating). 10 volts at 1 milliampere
6、continuous rating maximum. Coil data at 25C: Voltage rated: 5.7 to 6.9 volts rms. Resistance: 155 ohms 10%. Impedance: 153 to 197 ohms. Frequency range: 57 to 63 Hz. Waveform characteristics (at 25C): Dwell time: 167 10. Dissymmetry: 15 degrees maximum. Transfer time: 3 degrees minimum. Phase angle:
7、 20 5 electrical degrees. Noise level: 50 microvolts rms maximum, above system noise, between each contact and ground, across 1.0 megohm with the chopper operating. Environmental conditions: Dielectric withstanding voltage: 145 volts rms, 60 Hz or 200 volts dc for 60 seconds. Insulation resistance:
8、100 megohms minimum between contacts and ground and 10 megohms minimum for drive coil to ground. Vibration I: 10 to 55 Hz at 0.060 inches maximum, double amplitude, nonoperating. Shock: 100 gs as specified in MIL-STD-202, method 213, test condition I, nonoperating. Temperature range: -65C to 100C. L
9、ife: 2,000 hours, dry circuit 25 5C. Mechanical: Weight: .094 pound, maximum. Dimensions: See figure 1. Enclosure: Hermetically sealed, material brass, deep drawn, grey enamel finish over zinc chromate primer. Header: 7 pin miniature, pins 1, 3, 4, 6, and 7 to be copper, compression glass bead insul
10、ators. Terminals: Wire leads. Mounting position: Any. Part or Identifying Number (PIN): M83729/4-001. Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes from the previous issue were made. This was done as a convenience only and the
11、 Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Provided by IHSNot
12、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-83729/4C 3 Referenced documents. In addition to MIL-DTL-83729, this document references the following: MIL-STD-202 Custodians: Preparing activity: Army CR DLA CC Navy EC Air Force 85 (Project 5945-2013-014) DLA CC
13、 Review activities: Army AT, AV, CR4, MI Navy AS, MC, OS Air Force 19 , 99 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
