1、 MIL-R-83516B 15 August 2011 SUPERSEDING MIL-R-83516A(USAF) 3 March 1983 MILITARY SPECIFICATION RELAYS, REED, DRY, GENERAL SPECIFICATION FOR This specification is approved for use by the Department of the Air Force, and is available for use by all Departments and Agencies of the Department of Defens
2、e. 1. SCOPE 1.1 Scope. This specification establishes the general requirements for dry reed relays. (See 6.1.) 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sec
3、tions of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3 and 4 of this specification, wh
4、ether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the
5、 solicitation or contract. COMMERCIAL ITEM DESCRIPTION A-A-59588 - Rubber, Silicone. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-DTL-17 - Cables, Radio Frequency, Flexible and Semirigid, General Specification for. MIL-I-24768/1 - Plastic Sheet, Laminated, Thermosetting, Glass-Cloth, Melamine-Resin (GME
6、). MIL-I-24768/9 - Insulation, Plastic, Laminated, Thermosetting, Nylon-Fabric Base, Phenolic-Resin (NPG). MIL-I-24768/17 - Insulation, Plastic, Laminated, Thermosetting, Glass-Cloth, Silicone-Resin (GSG). AMSC N/A FSC 5945 INACTIVE FOR NEW DESIGN AFTER 3 MARCH 1983 AND IS NO LONGER USED, EXCEPT FOR
7、 REPLACEMENT PURPOSES. Comments, suggestions or questions on this document should be addressed to DLA Land and Maritime, ATTN: VAT, Post Office Box 3990, Columbus, OH 43218-3990, or emailed to relaydla.mil. Since contact information can change, you may want to verify the currency of this address inf
8、ormation using the ASSIST Online database at https:/assist.daps.dla.mil. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-83516B 2 DEPARTMENT OF DEFENSE STANDARDS MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-202 - Test Meth
9、ods for Electronic and Electrical Component Parts. MIL-STD-883 - Test Methods and Procedures for Microelectronics. MIL-STD-1285 - Marking of Electrical and Electronic Parts. (Copies of these documents are available online at https:/assist.dla.mil/quicksearch or from the Standardization Document Orde
10、r Desk, 700 Robbins Avenue, Building 4D, Philadelphia PA 19111-5094.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AMERI
11、CAN NATIONAL STANDARD INSTITUTE (ANSI) NCSL Z 540.3 - Laboratories, Calibration, and Measuring and Test Equipment. (Application for copies can be requested online at http:/www.ansi.org or from the American National Standards Institute, Incorporated, 11 West 42nd Street, New York, NY 10036-8002.) AME
12、RICAN SOCIETY OF TEST MATERIALS (ASTM International) ASTM D5948-96 - Standard Specification for Molding Compounds, Thermosetting. (Application for copies can be requested online at http:/www.astm.org or from the American Society of Test Materials International, 100 Barr Harbor Drive, P. O. Box C700,
13、 West Conshohocken, PA 19428-2959.) NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA) MW1000 - Wire, Magnet. (Application for copies can be requested online at http:/www.nema.org or from the National Electrical Manufacturers Association, 1300 North 17th Street, Suite 1752, Rosslyn, VA 22209.) 2.4
14、 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein (except for related specification sheets), the text of this document takes precedence. Nothing in this document, however, superseded ap
15、plicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheet. In the event of any conflict between the requirements of thi
16、s specification and the specification sheet, the latter shall govern (see 6.2). 3.2 Qualification. Relays furnished under this specification shall be products which are qualified for listing on the applicable qualified products list at the time set for opening of bids (see 4.4 and 6.3). 3.3 Material
17、s. Materials shall be as specified herein. However, when a definite material is not specified, a material shall be used which will enable the relays to meet the performance requirements of this specification. Acceptance or approval of any constituent material shall not be construed as a guaranty of
18、the acceptance of the finished product. 3.3.1 Plastic. Laminated plastic material shall conform to MIL-I-24768/1, MIL-I-24768/9, or MIL-I-24768/17. Molded plastic material shall conform to ASTM D5948-96. Cotton-filled or wood-flour-filled materials shall not be used. 3.3.2 Ceramic. Ceramic insulatin
19、g material shall conform to the following requirements of table I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-83516B 3 TABLE I. Ceramic insulating compound. 1/ Dielectric loss index at 1 MHz .016 maximum dielectric loss index Dielectric st
20、rength 200 to 249, incl average dielectric strength volts/mil Flexural strength (modules of rupture) 12,000 to 19,900 inch average flexural strength pounds/ sq. in. 1/ Ceramic used for external surfaces shall be glazed. 3.3.3 Metals. Metals shall be of a corrosion-resistant type or shall be plated o
21、r treated to resist corrosion. 3.3.4 Magnet wire. Magnet wire shall conform to MW-1000. 3.3.5 Rubber. Rubber shall conform to A-A-59588. 3.3.6 Fungus-resistant. Materials used in the construction of relays shall be fungus inert (see requirement 4 of MIL-HDBK-454). 3.4 Design and construction. Relays
22、 shall be of the design, construction, and physical dimensions specified (see 3.1). 3.4.1 Enclosures. Unless otherwise specified (see 3.1), relays shall be provided with a molded package to surround the coil and reed capsule and, when applicable (see 3.1), the diodes and electrostatic shielding. 3.4
23、.2 Contacts. Contacts shall be glass enclosed, shall have the load ratings and arrangements as specified (see 3.1), and shall be capable of carrying the maximum rated current continuously. 3.4.3 Coils. Coils shall be adequately insulated electrically from the enclosure and the contacts, and shall be
24、 designed for continuous cycle at rated voltage. The resistance and rated voltage shall be as specified (see 3.1). 3.4.4 Terminal identification. The terminals shall be identified as specified (see 3.1). 3.4.5 Circuit diagram. The circuit diagram shall be as specified (see 3.1). 3.4.6 Operating temp
25、erature range. The operating temperature range shall be as specified (see 3.1). 3.5 Thermal shock. When tested as specified in 4.6.2, relays shall meet the following requirements at each operating temperature extreme: Insulation resistance -Shall be as specified in 3.10. At high operating temperatur
26、e, the insulation resistance between coil and enclosure shall be not less than 500 megohms. Pickup and dropout voltages (as applicable, see 3.1) -Shall be as specified in 3.13. Operate and release times (as applicable, see 3.1)- -Shall be as specified in 3.16. Visual examination- -There shall be no
27、evidence of cracking, peeling, or flaking of the finish. 3.6 Run in. When relays are tested as specified in 4.6.3, the contact resistance shall not exceed 0.120 ohm (120 milliohms). 3.7 Contact stability. When relays are tested as specified in 4.6.4, the difference between static contact resistance
28、measurements shall not exceed 0.005 ohm (5 milliohms). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-83516B 4 3.8 Solderability (applicable to relays with solder terminals). When relays are tested as specified in 4.6.5, the dipped surface of
29、solid wire-lead and pin terminals shall be at least 95 percent covered with a continuous new solder coating. The remaining 5 percent may contain only small pinholes or rough spots; these shall not be concentrated in one area. Bare base metal where the solder dip failed to cover the original coating
30、is an indication of poor solderability, and shall be cause for failure. For solder-lug terminals greater than .045 inch (11.43 mm) in diameter, 95 percent of the total length of fillet, which is between the standard wrap wire and the terminal, shall be tangent to the surface of the terminal being te
31、sted, and shall be free of pinholes and voids. A ragged or interrupted line at the point of tangency between the fillet and the terminal under test shall be considered a failure. 3.9 Dielectric withstanding voltage. When tested as specified in 4.6.6, relays shall withstand the specified voltage (see
32、 3.1) without damage. The leakage current shall not exceed 1 milliampere (mA) and there shall be no evidence of damage due to arcing (air discharge), flashover (surface discharge), or insulation breakdown (puncture discharge). 3.10 Insulation resistance. Unless otherwise specified (see 3.1), when re
33、lays are tested as specified in 4.6.7, the insulation resistance shall be not less than 10,000 megohms. 3.11 DC coil resistance. When relays are tested as specified in 4.6.8, the dc coil resistance shall be as specified (see 3.1). 3.12 Coil transient suppression (applicable to relays with internal d
34、iodes). When relays are tested as specified in 4.6.9, the transient negative voltage shall not exceed the value specified (see 3.1). 3.13 Pickup and dropout voltages (as applicable, see 3.1). When relays are tested as specified in 4.6.10, the pickup and dropout voltages (as applicable) shall be as s
35、pecified (see 3.1). (NOTE: Dropout voltage is not applicable to latching relays.) 3.14 Coil power dissipation (when specified, see 3.1). When relays are tested as specified in 4.6.11, the power dissipated shall be as specified (see 3.1). 3.15 Static contact resistance. When relays are tested as spec
36、ified in 4.6.12, the static contact resistance (or voltage drop) of any pair of mated contacts shall not exceed 0.130 ohm before life, 1.0 ohm during life, and 1.0 ohm after life. For group A inspection, static contact resistance shall not exceed 0.200 ohm. 3.16 Operate and release times (as applica
37、ble see 3.1). When relays are tested as specified in 4.6.13, the operate and release times (as applicable) (including bounce) shall be as specified (see 3.1). (NOTE: Release time is not applicable to latching relays.) 3.17 Resistance to solvents. When relays are tested as specified in 4.6.14, the ma
38、rking shall remain legible. 3.18 Contact noise (when specified, see 3.1). When relays are tested as specified in 4.6.15, the peak-to-peak ratings for the bandwidth (dc to 10 kilohertz (kHz) shall be 400 microvolts (V) at closure; 200 V at 1.5 milliseconds (ms); 125 V at 2 ms; 60 V at 2.5 ms; 35 V at
39、 3 ms; 15 V at 4 ms; and 10 V at 5 ms. 3.19 Thermal EMF (when specified, see 3.1). When relays are tested as specified in 4.6.16, the thermal EMF shall be as specified (see 3.1). 3.20 Capacitance (when specified, see 3.1). When relays are tested as specified in 4.6.17, the capacitance shall be as sp
40、ecified (see 3.1). 3.21 Shock (specified pulse). When relays are tested as specified in 4.6.18, there shall be no evidence of mechanical or electrical damage. 3.22 Vibration, high frequency. When relays are tested as specified in 4.6.19, there shall be no evidence of breaking, cracking, chipping, or
41、 flaking of the finish, and no loosening of the terminals. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-83516B 5 3.23 Moisture resistance. When relays are tested as specified in 4.6.20, there shall be no evidence of breaking, cracking, chipp
42、ing, or flaking of the finish, and no loosening of the terminals. Immediately after step 6 of the final cycle, the insulation resistance shall be not less than 100 megohms. After the 24-hour drying period, the dielectric withstanding voltage; insulation resistance; static contact resistance; and pic
43、kup and dropout voltages (as applicable, see 3.1) shall be as specified in 3.9, 3.10, 3.15, and 3.13, respectively. 3.24 Contact sticking. When relays are tested as specified in 4.6.21, the release time (or operate time for latching relays) shall not exceed 1.0 ms (1.5 ms for form C contacts). 3.25
44、Resistance to soldering heat. When relays are tested as specified in 4.6.22, the insulation resistance; static contact resistance; pickup and dropout voltages (as applicable, see 3.1); and dc coil resistance shall be as specified in 3.10, 3.15, 3.13, and 3.11, respectively. 3.26 Salt spray (corrosio
45、n). When relays are tested as specified in 4.6.23, there shall be no evidence of breaking, cracking, chipping, or flaking of the finish, and no exposure of the base metal due to corrosion which would adversely affect the application or performance characteristics of the relay. 3.27 Lead integrity. W
46、hen relays are tested as specified in 4.6.24, there shall be no evidence of loosening or breaking of the terminals or other damage that could adversely affect the normal operation of the relay. Bending of printed circuit terminals shall not be construed as damage provided they can be satisfactorily
47、reformed to their original configuration. 3.28 Cross talk (applicable to relays with electrostatic shielding). When relays are tested as specified in 4.6.25, the attenuation shall be not less than -20 decibels. 3.29 Life. When tested as specified in 4.6.26, relays shall remain electrically operative
48、 and no mechanical damage shall exist. During and following this test, relays shall meet the following requirements: DC coil resistance - Shall be as specified in 3.11. Static contact resistance - Shall be as specified in 3.15. Pickup and dropout voltages (as applicable, see 3.1) - Shall be as specified in 3.13. Operate and release times (as applicable, see 3.1) - Shall be as specified in 3.16. Dielectric withstanding voltage - Shall be as specified in 3.9. Insulation resistance - Shall be as specified in 3.10. 3.30 Marking.
