DLA A-A-55147-1994 CONNECTORS ELECTRICAL IEEE 488 COMPATIBLE RECTANGULAR MINIATURE POLARIZED SHELL PLUG LOW PROFILE 24 POSTION FLAT CABLE TERMINATING INSULATION DISPLACEMENT SCREW .pdf
《DLA A-A-55147-1994 CONNECTORS ELECTRICAL IEEE 488 COMPATIBLE RECTANGULAR MINIATURE POLARIZED SHELL PLUG LOW PROFILE 24 POSTION FLAT CABLE TERMINATING INSULATION DISPLACEMENT SCREW .pdf》由会员分享,可在线阅读,更多相关《DLA A-A-55147-1994 CONNECTORS ELECTRICAL IEEE 488 COMPATIBLE RECTANGULAR MINIATURE POLARIZED SHELL PLUG LOW PROFILE 24 POSTION FLAT CABLE TERMINATING INSULATION DISPLACEMENT SCREW .pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、A-A-55147 15 March 1994 COMMERCIAL ITEM DESCRIPTION CONNECTORS, ELECTRICAL, IEEE 488 COMPATIBLE, RECTANGULAR, MINIATURE, POLARIZED SHELL, PLUG, LOW PROFILE, 24 POSITION, FLAT CABLE TERMINATING, INSULATION DISPLACEMENT, SCREW LOCKING The General Services Administration has authorized the use of this
2、commercial item description (CID). Abstract. This CID covers the general requirements for a polarized shell, plug, electrical digital interface bus connector. 488 interface standard, and require termination of a 1.27 millimeter (.O50 inch) flat cable. This connector can be used in applications that
3、require conformance to the IEEE Application. Connectors covered by this CID are intended for commercial/industrial applications and may be used in military systems where individual environmental and performance requirements can be met. Part or Identifying Number (PIN). The PIN for the CID shall be a
4、s shown in the following example: o1 A-A-55147 - - I I I I II CID number Dash number Salient characteristics. Desiqn, construction, and dimensions. figure 1 and in accordance with IEEE 488. Design, construction, and dimensions shall be as specified on Contacts. The contacts shall be formed of a high
5、 conductive, high strength copper alloy with gold over nickel plating in the contact area. e- Connector housinqs. Connector housings shall be molded from self-extinguishing black thermoplastic material for high impact and dielectric strength. Termination wire ranqe. Terminations shall be insulation
6、displacement type which accomniodate 1.27 millimeter (.O50 inch) centerline flat cable conductor with wire ranges of 26-30 AWG solid or 28 AWG stranded vi re. Contact rating. Termination resistance. The contact resistance shall be 22 milliohms maximum initial for mated connectors Contacts shall be r
7、ated at 1 ampere maximum at +25OC. and 12 milliohms initial for unmated connectors. Dielectric withstandinq voltaqe. There shall be no breakdown of the insulating material when subjected to loo0 V ac for 1 minute between adjacent contacts of the mated connector assemblies. Mating force. Umatina forc
8、e. Durability. Connector mating force shall not exceed 3.12 newtons (0.7 pound) maximum per contact. Connector unmating force shall not exceed .89 newton (0.20 pound) minimum per contact. Durability shall consist of 200 cycles of mating and unmating and upon completion the termination resistance sha
9、ll not exceed a change greater than 10 milliohms maximum from the initial resistance. There shall be no indication of physical damage. Operating temperature. Vibration. The operating temperature range shall be from -4OOC to +7SoC. The connector, or hardware when assembled to the connector, shall exh
10、ibit no evidence of breaking, cracking, or loosening of parts when subjected to vibration of 10-55-10 Hz traversed in 1 minute at 2 millimeters (.O79 inch) total excursion for 2 hours in each of three mutually perpendicular planes. AMSC N/A DISTRIBUTION STATEMENT A. Approved for public release; dist
11、ribution is unlimited. O FSC 5935 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55347 = 9999974 OLb3391 077 m A-A-551 47 8 4.88 A i. 192) COVER I 4, k- 46.79 t0.36 -4 11.8421 (.O141 (2.1751 8 55.25 MAX 4-40 UNC-2B 2 HOLES NOTES : 1. Dimensions
12、are in millimeters. 2. Inches are in parentheses. 3. The US government preferred system of measurement is the metric SI system. was originally designed using inch-pound units of measurement, in the event of conflict between the metric and inch-pound units, the inch-pound units shall take precedence.
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