DLA DESC-DWG-91026-1993 CONNECTORS ELECTRICAL RECTANGULAR POLARIZED SHELL HIGH DENSITY NANOMINIATURE GENERAL REQUIREMENTS FOR《一般要求的高密度两极化壳矩形电气连接器》.pdf

1、t J LTR DESC-DWG-SLOZb W 9999995 0057880 10T W DESCRIPTION DATE APPROVED I I *ppRomD distribution is unlimited. 5935-E414 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1. SCOPE 1.1 Scope. This drawing outlines the general requirements for families

2、of high density, high performance tlectrical connectors, intended for general usage where space and weight are of primary concern. itilize attached harness, printed circuit through hole or printed circuit surface munt termination means, and include eatures for polarization or keying. These connector

3、s Interface contact patterns for these connectors is on a 6.35 millimeter (0.025 inch) spacing grid. 1 .I .I Operatinq Environment. bperating in the following environments: Connectors conforming to this general requirements drawing must be capable of a. Temperature from -65C to +125“C with temperatu

4、re cycling. b. Altitudes from sea level to 21,336 meters (70,000 ft). c. Moisture conditions up to 100% relative humidity. d. Dust and fine sand atmosphere. e. Salt laden atmosphere. f. Vibration conditions to 20 9s- g. Shock conditions up to 100 gs- 1.2 Part or Identifying Number (PIN). The complet

5、e PIN shall be as specified on the individual requirements hawing and constructed using the following format, (also see 1.2.6): * * m * * * SIZE A DEFENSE ELECTRONICS SUPPLY CENTER DAYTON, OHIO I 1 I 1 1 CODE IDENT. NO. DWG NO. 14933 91026 i -I i 2 I 1 I -J I 2 1 2 I Insulator Termination Contact Te

6、rmination Contact Mount i ng ma ter i a 1 style number type sealing hardware (class) (style) (number) (type) (sea 1 i ng) (hardware) 1.2.1 =. Insulators shall be fabricated utilizing one of the following plastic materials: a. Thermoplastic, type GST-40F per MIL-M-24519. b. c. Thermosetting plastic,

7、type GDI-390F per MIL-M-14. Thermoplastic, type GLCP-30F per MIL-M-24519. 1.2.2 Style. Connectors shall be terminated using the following techniques: a. b. d. e. f. 9. h. C. Attached solid uninsulated wire harness. Attached stranded insulated wire harness. Printed circuit vertical through hole mount

8、. Printed circuit right angle through hole mount. Printed circuit vertical surface mount. Printed circuit right angle surface mount. Ribbon cable. Flex circuitry. 1.2.3 Number. The PIN shall include 5 digits to identify the total number of contacts. The first three digits Mill identify the number of

9、 signal contacts and the following two digits identifying the number of special contacts (shielded, power, etc . ). Examp Le: 296 04 T T I I Number of signal contacts (3 digits required) I Number of shielded/power/optic contacts (2 digits required) 2 1.2.4 w. The PIN will utilize a single character

10、(A to 2) to identify the termination type. Each individual requirement drawing will provide a chart which will identify available termination type and an associated code letter to be included in the PIN. DESC FORM 144A JUL 91 Provided by IHSNot for ResaleNo reproduction or networking permitted witho

11、ut license from IHS-,-,-DESC-DWG-71026 9 9999995 0057882 T82 SIZE A DEFENSE ELECTRONICS SUPPLY CENTER DAYTON, OHIO I 1.2.5 w. Contact sealing will be identified in the last character position of the PIN as follows: S - Connectors are sealed to prevent entry of cleaning fluids, or conformal coatings

12、into the contact area from the termination side of the connector. CODE IDENT. NO. DWG NO. 14933 91026 N - No sealing is provided. 1.2.6 Hardware. Mounting and keying hardware will be specified in the last character position of the PIN. Each individual requirements drawing will provide a chart which

13、will identify available mounting and keying hardware options and an associated code letter (A to 2) to be included in the PIN. 1.2.7 Ancillary hardware PIN. specified in the following format: Ancillary hardware, when specified on an individual requirements drawing, shall be 8W* * 7 - I I I I DESC re

14、quirement drawing Specific part identification from chart on individual requirement drawing. 2. APPLICABLE DOCUMENTS 2.1 Government Specifications and Standards. The following specifications and standards form a part of this drawing to the extent specified herein. listed in the issue of the Departme

15、nt of Defense Index of Specifications and Standards and supplement thereto, cited in the solicitation. specif i cations Unless otherwise specified, the issues of these documents shall be those Federal QQ-A-200 QQ-A-225 QQ-N-290 - Nickel Plating (Electrodeposited). QQ-P-35 - Passivation Treatment for

16、 Corrosion Resistant Steel. QQ-S-763 - Steel Bar Wire, Shape and Forging, Corrosion Resisting. - Aluminum Alloy, Bar, Rod, Shapes, Structural Shapes, Tube and Wire Extruded. - Aluminum and Aluminum Bar, Rod, Wire or Special Shapes, Rolled, Drawn or Cold Finished, Mi Litary MIL-M-14 MIL-C-5541 MIL-1-

17、17214 MIL-M-24519 MIL-R-25988 MIL-G-45204 MIL-C-55330 M IL-C-81 O21 I Molding Compounds, Thermosetting. Chemical Conversion Coatings on Aluminum Alloys. Indi cator, Permeabi lity, Low-mu (Go-no-go) . Molding Plastics, Electrical, Thermoplastic. Rubber, Fluorosi licone Elastomer, Oi 1 and Fuel Resist

18、ant. Gold Plating, Electrode Deposited. Connectors, Electrical and Fiber Optic Packaging of. Copper-beryllium Alloy (Copper Alloy Numbers CI7500 and C17510), Strip. Standards Federal FED-STD-H28 - Screw Thread Standards for Federal Services. Military MIL-STD-105 - MIL-STD-202 - MIL-STD-454 - MIL-STD

19、-810 - MIL-STD-II30 - MIL-STD-1285 - MIL-STD-1344 - MIL-STD-45662 - Sampling Procedures and Tables for Inspection by Attributes. Test Methods for Electronic and Electrical Component Parts. Standard General Requirements for Electronic Equipment. Environmental Test Methods. Connection, Electrical, Sol

20、derless Wrap. Marking of Electrical and Electronic Parts. Test Methods for Electrical and Electronic Components. Calibration Systems Requirements. DESC FORM 144A JUL 91 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.2 Non-Government publications.

21、The following documents form a part of this document to the extent specified erein. f the OOOLSS cited in the solicitation. ODISS are the issues of the documents cited in the solicitation (see 6.2). Unless otherwise specified, the issues of the documents which are Do0 adopted are those listed in the

22、 issue Unless otherwise Specified, the issues of the documents not listed in the AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM-B-122 - Copper-Nickel-Tin, Copper-Nickel-Zinc, Copper-Nickel (Nickel-Silver) ASTM-B-194 - Copper-Beryllium Alloy Plate, Steel, Strip, and Rolled Bar. ASTM-A-582 - F

23、ree-machining Stainless Steel. ASTM-B-768 - Copper-Cobalt-Beryllium Alloy Strip and Sheet. (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, hiladelphia, PA 19103-1187.) 3. REQUIREMENTS 3.1 Requirements drawing. The individual item requi

24、rements shall be in accordance with this drawing and the ipplicable item requirements drawing. Irawing, the latter shall govern. In the case of conflict between this drawing and the individual requirements 3.2 lousing receptacle and pin contacts in mating housings with termination types which will f

25、acilitate printed circuit :ard, chassis, or cable in line mounting requirements. the detailed requirements drawing. in the specific requirements drawing as appropriate. Desiqn and construction - General. The specified connectors shall be single or double row two piece assemblies Contacts shall be pi

26、n or socket, or other types as detailed in Housing configurations, keying means and mounting hardware shall be as described 3.2.1 Connector durability. Connectors must be capable of withstanding SOO mating and demating cycles without 2erformance degradation resulting in, out of specification perform

27、ance levels. 3.2.2 Connector matinq and dematinq forces. contact (maximum average installed), and demating force shall not be less than 8 percent of the maximum specified contact mating force when tested as specified in 4.8.2. juide pins, etc., will be as specified in the individual requirements dra

28、wing. Contact mating force shall not exceed 1.7 newton (6 ounces) per Mating and demating force requirements for connector shells, 3.2.3 Contact power capability. Signal contacts shall be capable of carrying 1.0 amperes maximum in continuous duty operation. operation with less than a 3OoC rise above

29、 ambient. Power contacts, when included, shall be capable of carrying 5 amperes minimum in continuous duty 3.2.4 Contact siqnal inteqrity. Signal or power contacts shall not generate signal discontinuities greater than 10 nanoseconds when subject to vibration, mechanical shock or thermal shock as sp

30、ecified in 4.8.15.1, 4.8.16 and 4.8.14. 3.3 Materials. Materials for each connector or subassembly shall be as specified herein or in the specific requirements drawing. 3.3.1 Contact material. 3.3.1.1 Socket contact material. Socket contacts or contact sleeves shall be beryllium copper as specified

31、in QQ- C-530, QQ-C-533, MIL-C-81021 (UNS-C-17500) or ASTM-B-768 (UNS-C-17410), heat treated to (1/2 to 3/4) hard condition, or Nickel-Silver in accordance with ASTM-B-122. 3.3.1.1.1 Socket contact finish. Socket contacts or contact sleeves shall be plated with a minimum of 1.27 u metei (50 microinch

32、es) of gold per MIL-G-45204, class I, type II, grade C over 1.27 to 2.54 u meters (SO to 100 microinches of nickel per QQ-N-290, class 2. 3.3.1.2 Pin contact material. Pin contacts or pin contact wire bundCe strands shall be copper per ASTM-83 or Berylium Copper per ASTM-BI97 or Precious Metal Alloy

33、 Per ASTM-8-477 or ASTM-8-541. 3.3.1.2.1 Pin contact finish. Pin contacts or pin contact wire bundle strands fabricated from copper or beryllium copper shall be plated with a minimum of 1.27 u meter (50 microinches) of gold per MIL-G-45204 over 1.27 to 2.54 u meters (50 to 100 microinches) of nickel

34、 per QQ-N-290, class 2. Precious metal pin contacts or pin contact bundle strands shall unplated. SIZE A DEFENSE ELECTRONICS SUPPLY CENTER DAYTON, OHIO CODE IDENT. NO. DWG NO. 14933 91025 DESC FORM 144A JUL 91 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from

35、IHS-,-,-DESC-DWG-SLOZb 9999995 0057884 55 SIZE A DEFENSE ELECTRONICS SUPPLY CENTER DAYTON, OHIO 3.3.2 Insulator material. Insulators shall be molded from high strength, high heat deflection temperature iaterials capable of withstanding high temperature soldering techniques such as vapor phase or inf

36、rared. )lastic materials shall meet the requirements of MIL-M-24519, type GST-40F or MIL-M-14, type GDI-3OF, or MIL-M-24519 :ype GLCP-3OF. accordance with QQ-A-200 or QQ-A-225 with appropriate surface treatment in accordance with MIL-C-5541, class 3. Guide Ir ground pins and other mounting screws, n

37、uts, etc., shall be fabricated from corrosion-resisting steel in accordance Jith QQ-S-763 with surface treatment in accordance with QQ-P-35. Connector 3.3.3 Ancillary hardware material. Protective shells, shields, etc., shall be fabricated from aluminum in 3.3.3.1 3.3.4 Interfacial seals. Screw thre

38、ads. Ancillary hardware screw threads shall be in accordance with FED-STD-H28. Interfacial seals when specified shall be molded from fluorosilicone elastomeric material )r similar blend meeting the requirements of MIL-R-25988, type II. 3.3.5 Contact sealants. Sealants used to back seal contact cavit

39、ies to prevent entry of cleaning solutions, :onformal coatings, etc., shall be in accordance with (TED). 3.3.6 Material fungus resistance. All materials used in construction of connectors and associated hardware shall meet the performance requirements of MIL-STD-454 requirement 4. 3.3.7 Materials pe

40、rmeability. All materials used in construction of connectors and associated hardware shall be of low magnetic permeability types, enabling complete connector pairs to meet low permeability requirements of less than 2 micrometers using an indicator in accordance with MIL-1-17214. 3.3.8 Dissimilar met

41、als and compatible couples. When dissimilar metals are used in intimate contact with each The use of dissimilar metals in contact, However, metal plating or metal spraying of dissimilar base metals to provide other, protection against electrolysis and corrosion shall be provided. which tend toward a

42、ctive electrolytic corrosion (particularly brass, copper or steel used in contact with aluminum or aluminum alloy) is not acceptable. similar or suitable abutting surfaces is permitted. material is also permitted. The use of dissimilar metals separated by a suitable insulating Dissimilar metals and

43、compatible couples are defined in requirement 16 of MIL-STD-454. 3.3.9 Hydrolytic stability. 3.4 Design performance requirements. All non-metallic material shall be hydrolytic reversion resistant. Connectors shall be designed and fabricated to withstand normal handling incident to installation and m

44、aintenance in service. CODE IDENT. NO. DWG NO. 14933 91025 3.4.1 Contact performance. 3.4.1.1 Contact design. Contacts shall be designed using contact interface schemes which provide multiple contact points (2 or more) at all possible interconnect positions of the connector halves (within limits of

45、engagement design parameters), or hertzian type single point contacts which exceed 689.5 mega pascals (1OO,MH3 psi). 3.4.1.1.1 Contact wipe. All contacts shall have a contact wipe of 0.381 mm (0.015 inch) minimum prior to the connector halves arriving at their fully mated position. 3.4.1.2 Contact p

46、owerloverload capability. Signal contacts shall be capable of conducting 1.0 ampere on a continuous basis, see 3.2.3., and exhibit no evidence of material deterioration or performance degradation when subjected to cycles of 2x rated current for a period of 5 minutes and full rated current (1.5 amper

47、es) for 55 minutes, on a continuous basis for a period of 24 hours. continuous basis and exhibit less than a 3OoC rise in temperature above ambient. overload for the same cycle rate as indicated above for the signal contacts, the power contacts shall exhibit no evidence of material deterioration or

48、performance degradation. Power contacts shall be capable of conducting 5 amperes on a When subject to a 2x rated current 3.4.1.3 Contact resistance. contacts shall have a maximum voltage drop of 30 millivolts when conducting 1 ampere and no more than 0.3 millivolt when conducting 10 milliamperes. mo

49、re than 0.5 millivolts (see table I, subgroup II). Unless otherwise specified in the individual requirements drawing, mated signal Environmental conditioning shall not increase maximum initial voltage drop limits by 3.4.1.4 Contact inductance. Contacts shall have low contact inductance, no greater than 16 nanohenries, measured from the contact termination points on mating contact pairs, or as specified in the individual requirements drawing. 3.4.1.5 Contact capacitance. Contacts shall have low contact c