1、REVISIONS LTR DESCRIPTION DATE APPROVED A Para. 2.2, added additional material specification. Para. 3.3.1, added material option for contacts. Para. 3.4.1, increased tin-lead: 50 to 90% tin. 06/01/90 Richard Marbais B Para 2.2, added industry test procedure. Para 3.4.1, increased tin-lead: 50 to 97%
2、 tin and changed nonfunctional plating requirement. Para. 3.5.1 added orientation requirement. Changed para. 3.7.1 requirement. Added New requirement para 3.8.5. Para. 4.4.2 changed QCI from 3 yrs. to 2 yrs. Added SPC option to para 4.4.2. 10/03/92 Randy Larson C Change CAGE 14933 to 037Z3. Update m
3、aterial references, and removed AQL references. Removed salt spray testing and added visual inspection to QCI table II. Editorial changes throughout. 04/18/02 Robert Heber D Updates in accordance with 5 year review. 28 March 2011 Abdo Abdouni Prepared in accordance with ASME Y14.100 REV PAGE REV STA
4、TUS OF PAGES REV D D D D D D D D D D PAGE 1 2 3 4 5 6 7 8 9 10 PMIC N/A PREPARED BY DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO 43218-3990 Gail Willis Original date of drawing 28 Oct 86 CHECKED BY TITLE Carl Dello-Stritto CONNECTORS, ELECTRICAL, UNSHROUDED HEADERS, PWB TERMINATION APPROVED BY Ric
5、hard Marbais SIZE CAGE CODE DWG. NO. 86100 A 037Z3 REV D PAGE 1 OF 10 AMSC N/A 5935-E831-005 Selected item drawing CURRENT DESIGN ACTIVITY CAGE CODE 037Z3 HAS CHANGED NAMES TO: DLA LAND AND MARITIME COLUMBUS, OHIO 43218-3990 Provided by IHSNot for ResaleNo reproduction or networking permitted withou
6、t license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 037Z3 86100 REV D PAGE 2 1. SCOPE 1.1 Scope. This drawing covers the requirements for unshrouded .025 inch (0.64 mm) square pin headers, for use in low power applications requiring printed wiring
7、board termination. 1.2 Part or Identifying Number (PIN). The complete PIN shall be as specified in the requirements drawing. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents c
8、ited in other sections 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 documents cited in sections 3, 4, or 5 of this
9、specification, whether 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 t
10、hose cited in the solicitation or contract. DEPARTMENT OF DEFENSE STANDARD MIL-STD-202 - Test Methods for Electrical and Electronic Component Parts. DEPARTMENT OF DEFENSE SPECIFICATION MIL-M-24519 - Molding Plastic, Polyester and Polyarylether Thermoplastic. Copies of these documents are available o
11、nline at http:/assist.daps.dla.mil/quicksearch/ or from the Standardization Documents Order Desk, 700 Robbins Avenue, Bldg. 4D (Customer Service), Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unles
12、s otherwise specified, the issues of these documents are those cited in the solicitation or contract (see 6.2). ASTM INTERNATIONAL ASMTM B36/B36M - Standard Specification for Brass Plate, Sheet, Strip, And Rolled Bar ASTM B139/B139M - Standard Specification for Phosphor Bronze Rod, Bar, and Shapes.
13、ASTM B159/B159M - Wire, Phosphor Bronze. ASTM B488 - Standard Specification for Electrodeposited Coating for Gold for Engineering Uses. ASTM D4066 - Materials (PA) Nylon Injection and Extrusion, Standard Specification for. ASTM D4067 -Standard Classification System for Reinforced and Filled Poly(Phe
14、nylene Sulfide) (PPS) Injection Molding and Extrusion Materials Using ASTM Methods (Applications for copies should be addressed to the ASTM International, 100 Barr Harbor Drive, P.O Box C700, West Conshohocken, Pennsylvania, USA 19428-2959.) Provided by IHSNot for ResaleNo reproduction or networking
15、 permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 037Z3 86100 REV D PAGE 3 ELECTRONIC COMPONENTS ASSOCIATION (ECA) EIA-364-56 - Resistance to Soldering Heat Test Procedure for Electrical Connectors. (Copies of these documents are
16、 available online at http:/ec-central.org or from the Electronic Components Association, Engineering Department, 2500 Wilson Boulevard, Arlington, VA 22201.) NCSL INTERNATIONAL NCSL Z540.3 - Requirements for the Calibration of Measuring and Test Equipment. (Copies of these documents are available on
17、line at http:/www.ncsli.org or from NCSL International 2995 Wilderness Place, Suite 107 Boulder, Colorado 80301-5404) SAE INTERNATIONAL SAE AMS-P-81728 - Plating, Tin-Lead (Electrodeposited). SAE AMS-QQ-N-290 - Nickel Plating (Electrodeposited). (Copies of these documents are available online at htt
18、p:/www.sae.org or to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrandale, PA 15096-0001.) INTERNATIONAL ORGANIZATION FOR STANDARDS (ISO) ISO-10012-1 - Quality Assurance Requirement for Measuring Equipment. (Copies of these documents are available online at http:/www.iso.org or In
19、ternational Organization for Standardization American National Standards Institute, 11 West 42nd Street, 13th floor, New York, NY 10036.) UNDERWRITERS LABORATORIES INC. (UL) UL-94 - Tests for Flammability of Plastic Materials for Parts in Devices and Appliances. (Copies of these documents are availa
20、ble online at http:/ or from the Underwriters Laboratories Inc., Publication Stock, 333 Pfingsten Road. Northbrook, IL 60062-2096.) COPPER DEVELOPMENT ASSOCIATION INC. - Copper Alloy No. CDA260. (Applications for copies should be addressed to the Copper Development Association, Inc., 405 Lexington A
21、venue, New York, NY 10017.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. The individual
22、 item requirements shall be in accordance with DSCC detail drawing and as specified herein. In case of conflict between this drawing and the detail drawing, the latter shall govern. Nothing in this document however, supersedes applicable laws and regulations unless a specific exemption has been obta
23、ined. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 037Z3 86100 REV D PAGE 4 3. REQUIREMENTS 3.1 DSCC requirements drawing. The individual requirements shall be in acc
24、ordance with the applicable item requirements drawing. 3.2 Design, construction, and physical dimensions. The design, construction, physical dimensions and marking shall be as specified in the applicable item requirements drawing and herein. 3.3 Material. The material for each part shall be as speci
25、fied herein, or equivalent. Substitute material shall meet the performance requirements of this drawing. 3.3.1 Contact. The contact shall be phosphor bronze alloy in accordance with ASTM B139 and tested in accordance with ASTM B159 or CuZn30 H14 in accordance with ASTM B36/36M. 3.3.2 Insulator. The
26、insulator shall be on of the following types of plastic. All plastic material shall be rated V-0 in accordance with UL-94. a. Glass-or mineral-filled nylon in accordance with ASTM D4066. b. Glass filled thermoplastic in accordance with MIL-M-24519. c. Thermoplastic polyphenylene sulfide type GST-40F
27、 in accordance with MIL-M-24519, 3.4 Finish. 3.4.1 Contact plating. The contact shall be plated with gold in accordance with ASTM B488, type 3, code C, class 1.27 (50 microinches) over 50 microinches (1.27 m) of nickel in accordance with SAE AMS-QQ-N-290, class 2, or tin-lead in accordance with SAE
28、AMS-P-81728, 50 to 90 percent tin, 100 microinches minimum. Nonfunctional areas need not be plated, provided they do not cause degradation in performance. 3.4.2 Selective gold contact plating. Selective gold contact plating is for contact pin lengths .230 inch (5.84 mm) and longer. The gold plating
29、is measured from tip of contact pin to pin body the plating length unless otherwise specified in the detail drawing shall be .200 inch (5.08 mm). The contact shall be plated with gold in accordance with ASTM B488, type 3, code C, class 1.27 (50 microinches) over 50 microinches (1.27 m) of nickel in
30、accordance with SAE AMS-QQ-N-290. Nickel plating shall extend over the entire length of the pin. The recommended use of this finish is for mating with latch housings or printed wiring boards (PWB) housings where the mating depth does not exceed .200 inches (5.04 mm). 3.5 Design and construction. The
31、 connector shall be a multi-piece assembly having one or two rows of contacts with solder tail terminations for installation in .040 inch (1.02 mm) diameter holes in PWB of standard thickness. The connector contacts shall be insert molded or post-inserted in the insulator on rectangular grids of .10
32、0, .125, or .150 inch (2.54, 3.18, 3.81 mm, respectively) or multiples thereof and shall be available in straight or right angle configurations. The contacts shall be available in various above- and below-board lengths suitable for use as .025 inch (0.64 mm) square male disconnects or as similarly c
33、onfigured wrapposts for solderless wrapped connections. 3.5.1 Wrappost. The wrappost geometry shall be in accordance with figures 1 and 2. Both tips of the contact shall be beveled to facilitate insertion into the bit of the wire-wrap-wrap tooling or into the mating female contact. Contact posts sha
34、ll be square in position relative to the insulator wall. A maximum of a 10 degree deflection in either direction in acceptable. 3.5.2 Polarization (optional). Removal or omission of individual contacts shall provide polarization/keying to insure correct orientation of the header and an appropriately
35、 configured mating part. 3.5.3 Workmanship. Connectors shall be uniform in quality and shall be free from burrs, scratches, cracks, voids, chips, blisters, holes, sharp edges, or other defects that will adversely affect life or serviceability. Provided by IHSNot for ResaleNo reproduction or networki
36、ng permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 037Z3 86100 REV D PAGE 5 Number of wrapped corrections E length Wire gage 30 (mm) Wire gage 28 (mm) Wire gage 26 (mm) Wire gage 24 (mm) Wire gage 22 (mm) Wire gage 20 (mm) Wire
37、gage 18 (mm) 1 .185 (4.70) .219 (5.56) .226 (5.74) .258 (6.55) .303 (7.69) .327 (8.31) .391 (9.93) 2 .320 (8.13) .388 (9.85) .402 (10.21) .466 (11.83) .556 (14.12) .604 (15.34) .732 (18.59) 3 .455 (11.56) .557 (14.15) .578 (14.68) .674 (14.43) .809 (20.55) .881 (.22.37) 1.073 (27.25) NOTES: 1. Dimen
38、sions are in inches. 2. Metric equivalents are given for information only. FIGURE 1. Wrappable length (typical connection). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO.
39、 A 037Z3 86100 REV D PAGE 6 Inches mm .0012 .0015 .003 0.030 0.038 0.076 A (mm) B (mm) C (mm) Parallelism (mm) Straightness Inch/inch (mm) .025 (0.63) nominal .022 (0.56) min .025 (0.63) nominal .022 (0.56) min .0355 (0.902) max .0325 (0.825) min .002 (0.05) .005 (0.13) NOTES: 1. Dimensions are in i
40、nches. 2. Metric equivalents are given for information only. FIGURE 2. Wrappost geometry (typical connection). .BURR .0015 MAX.003 R MAXBCC.0012 MAXIMUM PERMISSIBLEDIVIATION FROM SQUARE ORRECTANGLEAProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFE
41、NSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH 43218-3990 SIZE CAGE CODE DWG NO. A 037Z3 86100 REV D PAGE 7 3.6 Electrical characteristics. 3.6.1 Capacitance. The capacitance between adjacent or opposing contacts in an unmated and unterminated connector shall not exceed 2.0 picofarads when measured in acc
42、ordance with MIL-STD-202, method 305, at a frequency of 100 kilohertz. 3.6.2 Insulation resistance. The insulation resistance of the unmated and unterminated connector shall be not less than 5,000 megohms when measured in accordance with test procedure EIA-364-21. 3.6.3 Dielectric withstanding volta
43、ge. There shall be no evidence if arc-over, insulation breakdown, or excessive leakage current (less than 1 milliampere) when the unmated and unterminated connector is tested in accordance with test procedure EIA-364-20 (see table I). TABLE I. Dielectric withstanding voltage. Contact spacing (inch)
44、Test voltage (V rms) High temperature life (V rms) .050 (1.27 mm) .100 (2.54 mm) .125 (3.18 mm) .150 (3.81 mm) 1500 1500 1500 1500 750 750 750 750 3.7 Mechanical characteristics. 3.7.1 Contact retention. Individual contacts in an unterminated connector shall withstand a load of 5.0 pounds (2.27 kg)
45、in the case of insert molded connectors. In the case of post-inserted connectors, a 2.0 pound force (8.9 newton) minimum retention force shall be applied for plating finishes “A” and “B” and pretinned finishes “D” and “E”. If connector is hot tinned dipped without pretinning, the minimum retention s
46、hall be 0.5 pound (see item requirements drawing for plating materials). Testing of the contact shall be applied in either direction, along the contact axis, without dislodgement from the insulator. 3.7.2 Wrappost torque. A torque of 3.0 ounce-inch (21.18 mN m) applied to the tip of the terminated c
47、onnector contact shall not cause yielding of this member. The test shall be in accordance with MIL-STD-202, method 211, condition E. 3.8 Environmental conditions. 3.8.1 Thermal shock. After exposure of an unmated and unterminated connector to alternate periods of extreme high and low temperature (se
48、e temperature range table in applicable item drawing), there shall be no evidence of cracking or craving of the insulator or other physical damage to the connector. The test shall be in accordance with MIL-STD-202, method 107, test condition B. The dielectric withstanding voltage shall be not less t
49、han 750 volts rms, 60 Hz (see 3.6.3). 3.8.2 High temperature life. After exposure of an unmated and unterminated connector to a high temperature operating environment (see applicable item drawing for high temperature range), the insulation resistance of the connector shall be not less than 5,000 megohms (see 3.6.2). The test shall be in accordance with MIL-STD-202, method 108, test condition B. 3
