SAE ARD 50031-1991 General Specification for 270 Vdc Relays.pdf
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1、SAE ARD*50033 91 7943725 0502093 8 The Engineering Society =ior Advancing Mobility -Land Sea Air and Space, INTERNATIONAL 400 Commonwealth Drive, Warrendale, PA i 5096-0001 AEROSPACE RESOURCE DOCUMENT EAE ARD50031 I GENERAL SPECIFICATION FOR 270 Vdc RELAYS 1 .o SCOPE 1.1 ScoDe. This specification es
2、tablishes general requirements for electromechanical relays with contact ratings of 270 Vdc for use in electrical applications. Relays covered by this specification are capable of meeting the electrical and environmental requirements when mounted directly to the structure of aircraft, missile, space
3、craft, ship, and other primary vehicles or in ground support and shipboard equipment as well when used within other subsystems such as electrical load management centers or power controllers. 1.2 Classification. Relays covered by this specification shall be classified by the enclosure design as foll
4、ows: Type 1 - Unsealed Type 2 Environmentally sealed Type 3 Hermetically sealed *NOTE: THIS DOCUMENT IS A NONCONSENSUS DRAFT REPORT MADE AVAILABLE BY AN SAE TECHNICAL COMMITTEE DURING THE PROCESS OF STANDARDS DEVELOPMENT. THE INFORMATION CONTAINED IN THIS REPORT IS BEING DISSEMINATED SOLELY FOR COMM
5、ENT PURPOSE AND SHOULD NOT BE RELIED UPON AT THIS TIME. SAE Technical Board Rules provide that: This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, incl
6、uding any pafent infringement arising therefrom, is the sole responsibility of the user.” Copyright 1991 Society of Automotive Engineers, Inc. All rights reserved. Printed in U.S.A. SAE ARD*50031 91 7943725 0502092 T SAE ARD50031 2.0 2.1 APPLICABLE DOCUMENTS Government specification and standards. U
7、nless otherwise specified, the following specification and standards, of the issue listed in that issue of the Department of Defense Index of Specifications and Standards specified in the solicitation, form a patt of this specification to the extent specified herein. FEDERAL FED-STD-H28 GGG-W-641 QQ
8、-W-343 QQ-S-571 DOD-D-1 O00 DOD-HDBK-263 J-W-1177 ZZ-R-765 MILITARY MlL-STD-143 MIL-STD-202 MIL-STD-454 MI L-STD-704 MIL-STD-706 MIL-STD-790 MIL-STD-883 MIL-STD-839 MIL-STD-1285 MIL-STD-1686 MIL-STD-2000 MS20659 MS25036 MI L-F-15160/2 Screw Thread Standards for Federal Services. Wrench, Socket (and
9、Sockets, Handles, and Attachments for Socket, Wrenches, Hand). Wire, Electrical (Un-insulated) Solder, Tin Alloy: Lead-tin Alloy; and Lead Alloy. Drawings, Engineering and Associated Lists. Electrostatic Discharge Control Handbook for Protection of Electrical and Electronic Parts, Assemblies and Equ
10、ipment (Excluding Electrically Initiated Explosive Devices) Metric. Wire, Magnet, Electrical Rubber, Silicone: Low- and High- Temperature and Tear Resistant. Standards and Specifications, Order of Precedence for the Selection of. Test Methods for Electronic and Electrical Component Parts. Standard G
11、eneral Requirements for Electrical Equipment. Aircraft, Electric Power, Characteristics Power Supply Voltages, Regulated, D.C. within Electronic Equipment. Reliability Assurance Program for Electronic Patts Specifications. Test Methods and Procedures for Microelectronics. Dissimilar Metals Marking o
12、f Electrical and Electronic Parts. Electrostatic Discharge Control Program For Protection of Electrical and Electronic Parts. Standard Requirements For Soldered Electrical Instruments, Power, and Telephone (Nonindicating), Style F02 2 SAE ARD*5003L 91 7943725 O502093 L SAE AR050031 2.2 MIL-F-15160/3
13、 MI L-C-50 1 5 MIL-C-28748 MIL-G-45204 MIL-1-1 O MI L-H-38534 MI L-H-83306 MIL-M-14 MIL-M-38510 MIL-P-116 MIL-P-997 MIL-P-15037 MIL-P-15047 MIL-P-46133 MlL-S-6872 MIL-S-12883 MIL-S-19500 MIL-S-45743 Fuses; Instruments, Power and Telephone (Non-indicating), style F03 Connector, Electrical, Circular T
14、hreaded, AN Type. Connectors, Electrical, Rectangular, Rack and Panel, Sdder Type and Crimp Type Contacts. Gold Plating, Electrodeposited. Insulating Materials, Electrical, Ceramic, Class L. Hybrid Microcitcuits, General Specfication For Hydraulic Fluid, Fire Resistance, Phosphate Ester Base, Aircra
15、ft. Molding Plastics and Molded Plastic Parts, Thermosetting. Microcircuit, General Specification for. Presetvation-Packaging, Method of. Plastic Material, Laminated, Thermosetting, Electrical Insulation: Sheets, Glass, Cloth, Silicone Resin. Plastic Sheet, Laminated Thermosetting, Glass-Cloth Melam
16、ine-Resin. Plastic Material, Laminated Thermosetting, Nylon Fabric Base, Phenolic-Resin. Plastic Molding and Extrusion Material, Poly (Aryi Sulfone Ether) Resin, Thermoplastic. Soldering Process, General Specification for. Sockets and Accessories For Plug-In Electronic Components. Semiconductor Devi
17、ces, General Specifications for. Soldering, Manual Type, High Reliability, Poly (Aryl Sulfone Ether) Resin, Thermoplastic. Other documents, drawinas, and publications. The following documents, drawings, and publications form a part of this specification. AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)
18、* ANSI Y32.2 Graphic symbols for Electrical and Electronic * ANSIC83. 6 EIA/NACM Standard definitions and terminology Letter symbols for units used in science and * ANSI/IEEE STD 100-1 977 IEEE Standard Dictionaty of Electrical and * D470-59T Methods of Testing Rubber and Thermoplastic Diagrams. for
19、 Relays for Electronic Equipment. * ANSIY10. 9 technology. Electronic term. Insulated Wire and Cableventative) SAE ARD*5003L 91 7943725 0502094 3 SAE ARD50031 3.0 3.1 3.2 3.3 3.3.1 3.3.1.1 3.3.2 3.3.2.1. (Copies of ANSI publications may be obtained from the American National Standards Institute 11 W
20、est 42nd Street, New York, NY 10036). REQUIREMENTS Suecification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheets. In the event of any conflict between requirements of this specification and the applicable specification
21、sheets, the later shall govern. (See attachments, Figure 9) Qualification. The relays furnished under this specification shall be a product which has been tested, and has passed the qualification inspection specified herein. Materials. The materials shall conform to requirements specified herein. Wh
22、en a definite material is not specified, the selection of material shall be at the discretion of the relay manufacturer. Wherever practicable, the manufacturer shall select materials, standards and specifications in accordance with MIL-STD-143. Materials selected shall be such that the relays will m
23、eet the performance requirements and product characteristics Specified herein. After qualification, any change of parts or materials shall be submitted to the procuring activity for approval. Acceptance or approval of any constituent part or material shall not be construed as a guaranty of acceptanc
24、e of the finished product. Metals. Metals shall be of a corrosion-resistant type or shall be plated or treated to resist corrosion. Zinc plating, or unfused pure tin plating shall not be used internally, zinc or cadmium plating shall not be used externally. Unfused tin plating shall have a plating t
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