1、A-A-55144 9999974 OLbL598 270 A-A-55144 December 7, 1993 COMMERCIAL ITEM DESCRIPTION CONNECTORS, ELECTRICAL, IEEE 488 COMPATIBLE, RECTANGULAR, MINIATURE, POLARIZED SHELL, RECEPTACLE, SHIELDED, 24 POSITION, VERTICAL MOUNT, PRINTED CIRCUIT BOARD TERMINATING, SCREW LOCKING The General Services Administ
2、ration has authorized the use of this commercial item description (CID). Abstract. This CID covers the general requirements for a polarized shell, receptacle, electrical digital interface bus connector. 488 interface standard, and require termination to a printed circuit board of up to 3.175 mm (.I2
3、5 inch) thick. This connector can be used in applications that require conformance to the IEEE The connector is a vertical mount type. Application. Connectors covered by this CID are intended for commercial/industrial applications and may be used in military systems where individual environmental an
4、d performance requirements can be met. Part or Identifying Number (PIN). The PIN for the CID shall be as shown in the following example: o1 - A-A-55144 - l I LI CID number Dash number Salient characteristics. Desiqn, construction, and dimensions. Design, construction, and dimensions shall be as spec
5、ified on figure 1 and in accordance with IEEE 488. 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. Contacts. The contacts shall be formed of a h
6、igh conductive, high strength copper alloy with gold over nickel plating in the contact area. Connector housings. Connector housings shall be molded from self-extinguishing black thermoplastic material for high impact and dielectric strength. Connector shields. Connector hardware. Termination type.
7、Connector shields shall be made of die cast zinc with nickel plating. Connector hardware shall be made of zinc plated carbon steel. Terminations shall be printed circuit board termination type which accommodate printed circuit boards of up to 3.175 mm (.I25 inch) thick. solderability. Termination ta
8、ils shall be tin plated for ease of Contact rating. Termination resistance. lhe contact resistance shall be 30 milliohms maximum initial. Dielectric withstanding voltage. Contacts shall be rated at 3.5 amperes maximum at +2SoC. There shall be no breakdown of the insulating material when subjected to
9、 loo0 V ac for 1 minute betueen adjacent contacts of the mated connector assemblies. Natinq force. Unmatincl force. Contact retention. Connector mating force shall not exceed 3.12 newtons (0.7 pound) maximum per contact. Connector unmating force shall not exceed .36 newton (0.08 pound) minimum per c
10、ontact. Contact retention force shall be 13.34 newtons (3 pounds) minimum. AMSC N/A DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. FSC 5935 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55144 A-A-55144 1 36.20
11、 MAX1 7 O p- 15 $30 46.79 20.36 F 60.45 e mm 0.013 0.36 2.16 3.81 11.94 16.00 36.20 46.79 60.45 INCH .0005 . O14 .085 ,150 .470 ,630 1,425 1,842 2.38 NOTES: 1. Dimensions are in millimeters. 2. The US government preferred system of measurement is the metric SI system. was originally designed using i
12、nch-pound units of measurement, in the event of conflict between the metric and inch-pound units, the inch-pound units shall take precedence. However, since this item Figure I. Connector, printed circuit board, 24 position, preassembled vertical mount. 2 Provided by IHSNot for ResaleNo reproduction
13、or networking permitted without license from IHS-,-,-A-A-55144 = 9999974 OLb1bOO 759 = Durability. Durability shall consist of 200 cycles of mating termination resistance shall not exceed 26.5 milliohms maximum. damage. Operatinu temperature. The operating temperature range shall and unmating and up
14、on completion There shall be no indication of be from -40C to +105“C A-A-55144 the physi cal Vibration. The connector, or hardware when assembled to the connector, shall exhibit no evidence of breaking, cracking, or loosening of parts when subjected to vibration of 10-55-10 Hz traversed in 1 minute
15、at 2 mm (-079 inch) total excursion for 2 hours in each of three mutually perpendicular planes. Physical shock. The connector, or hardware when assembled to the connector, shall exhibit no evidence of breaking, cracking, or loosening of parts when subjected to 50 Gs half-sine wave shock of 11 millis
16、econds duration, 3 shocks in each direction applied along the three mutually perpendicular planes for a total of 18 shocks. Regulatory requirements. Quality assurance provisions. This section is not applicable to this CID. Responsibility for inspection. Unless otherwise specified in the contract or
17、purchase order, the contractor is responsible for the performance of all inspection, examination, and test requirements specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the inspection requirements s
18、pecified herein, unless disapproved by the Government. examinations, or tests set forth in this description where such inspections, examinations, and tests are deemed necessary to assure supplies and services conform to prescribed requirements. The Government reserves the right to perform any of the
19、 inspections, Contractor certification statement. The contractor shall certify and maintain objective quality evidence that the product offered meets the requirements of this CID, and that the product conforms to the producers own drawings, specifications, standards, quality assurances practices, an
20、d is the same as the product provided as a bid sample. the first delivery and thereafter as may be otherwise provided for under the provisions of the contract. The Government reserves the right to require proof of such conformance prior to O Certificate of compliance. A certificate of compliance sha
21、ll accompany all connectors supplied to this CID. Packaqinq. Preservation, packaging, packing, labeling, and marking. Preservation, packaging, labeling, and marking shall be as specified in the contract or purchase order. Notes. This section contains relevant information which is useful to buyers, u
22、sers, and suppliers in the process of acquiring the item, but is not mandatory. Referenced document. Other Publication INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE) IEEE 488 - IEEE Standard Digital Interface for Programmable Instrumentation. (Applications for copies should be addressed to
23、 the Institute of Electrical and Electronics Engineers (IEEE), IEEE Service Center, 445 Hoes Lane, P.O. Box 1331, Piscataway, NJ 08855-1331.) Acquisition documents should specify the following: Ordering data. a. CID document number and revision and CID PIN. O b. Quality assurance provisions. c. Pack
24、aging requirements. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55144 m 9999974 O1b1b01 b95 m A-A-55144 Comments. Comments on this CID should be directed to Defense Electronics Supply Center, 1507 Wilmington Pike, ATTN: DESC-EMT, Dayton, OH
25、 45444-5o(M, or telephone (513) 296-5391. Source of supply. they becoate available. A suggested source of supply is listed in table I. Additional sources will be added as TABLE I. Suggested source of supply. CID PIN A-A-55144- number 554501-1 Vendor CAGE number 00779 Vendor name and address AMP, Incorporated 470 Friendship Road Harrisburg, PA 17111-1203 CIVIL AGENCY COORDINATING ACTIVITY: GSA - 7FXE PREPARING ACTIVITY: DU-ES (Project 5935-D430) 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
