1、 MIL-DTL-83729/2D 04 March 2013 SUPERSEDING MIL-DTL-83729/2C 14 June 2002 DETAIL SPECIFICATION SHEET CHOPPERS, ELECTROMECHANICAL, DUST TIGHT, SINGLE POLE, DOUBLE THROW, MAKE BEFORE BREAK This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirem
2、ents for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-83729. FIGURE 1. Outline drawing, terminal arrangement and schematic diagram. AMSC N/A FSC 5945 Letter Inches mm A B C D E MAX 2.344 MAX 4.000 MAX 2.078 MAX .562 MAX .625 MAX 59.54 MAX 101.60 MAX 52
3、78 MAX 14.27 MAX 15.88 INCH-POUNDProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-83729/2D 2 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerance is .005 (.
4、13 mm). 4. 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 - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-83729/2D 3 REQUIREMENTS:
5、 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
6、 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 25C): Dwell time: Each contact closed 198 7 of each cycle. Contacts closed simultaneously for 18 10 percent twice in each
7、cycle. Dissymmetry: Within 7. Transfer time: Not applicable. Phase angle: 17 5. Noise level: Stray pick up. Electrostatic: 2 x 10-10V/ohm of input circuit impedance. Electromagnetic: Less than 2 x 10-6volts constant to within 2 x 10-7volts. Environmental conditions: Dielectric withstanding voltage:
8、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 fro
9、m 0 to 10 gs during vibration. Shock: 30 gs for 11 milliseconds in three directions. Temperature range: 25C 10C. Life: Duration of test: 2,500 hours continuous. Temperature: 25 2C. Coil voltage and frequency: Nominal. Operating conditions: See table I. Output voltage: Vary not more than 2 percent du
10、ring life. Contact resistance: Shall not exceed .100 ohm and at conclusion of life. TABLE I. Life operating conditions. Contact voltage (volt) Contact current (ampere) Hours .010 1.0 .001 .0001 1,000 1,500 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
11、MIL-DTL-83729/2D 4 Mechanical: Weight: .68 pound, maximum. Dimensions: See figure 1. Enclosure: Dust-tight case. Terminals: Plug in, see figure 1. Mounting position: Vertical for optimum performance. Part or Identifying Number (PIN): M83729/2-001. Changes from previous issue. The margins of this
12、 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 Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirement
13、s of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. 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
14、85 (Project 5945-2013-012) DLA CC 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-,-,-
