1、 REVISIONS LTR DESCRIPTION DATE APPROVED Prepared in accordance with ASME Y14.100 Source control drawing REV STATUS OF PAGES REV PAGES 1 2 3 4 5 6 PMIC N/A PREPARED BY Andrew R. Ernst DESIGN ACTIVITY DLA LAND AND MARITIME COLUMBUS, OH 43218-3990 Original date of drawing 15 October 2010 CHECKED BY An
2、drew R. Ernst TITLE RESISTOR, CURRENT SENSE, OPEN AIR, STANDARD LEADS, 3 WATT APPROVED BY Michael A. Radecki SIZE A CODE IDENT. NO. 037Z3 DWG NO. 10007 REV PAGE 1 OF 6 AMSC N/A 5905-E729 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DLA LAND AND MA
3、RITIME COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 10007 REV PAGE 2 1. SCOPE 1.1 Scope. This drawing describes the requirements for an open air, current sense, 3 watt resistor with standard leads. 1.2 Part or Identifying Number (PIN). The complete PIN is as shown in the following example: 100
4、07- R0500 F | | | | | | Drawing number Resistance (see 3.3.1) Tolerance (see 3.3.2) 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification
5、 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 of documents in sections 3 and 4 of this specification, whether or not they are listed. 2.2
6、 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 those cited in the solicitation or contract. DEPART
7、MENT OF DEFENSE SPECIFICATIONS MIL-PRF-39007 - Resistors, Fixed, Wirewound (Power Type), Nonestablished Reliability, Established Reliability and Space Level, General Specification for. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-690 - Failure Rate Sampling Plans and Procedures. MIL-STD-790 - Established
8、 Reliability and High Reliability Qualified Products List (QPL) Systems for Electrical, Electronic, and Fiber Optic Parts Specifications. (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/or from the Standardization Document Order Desk, 700 Robbins Avenue, Bui
9、lding 4D, Philadelphia, PA 19111-5094.) 2.3 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes a
10、pplicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Item requirements. The individual item requirements shall be in accordance with MIL-PRF-39007, and as specified herein. 3.2 Interface and physical dimensions. The resistor shall meet the interface and p
11、hysical dimensions as specified in herein (see figure 1). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DLA LAND AND MARITIME COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 10007 REV PAGE 3 NOTES: 1. Dimensions are in inches. 2. Millimeter equi
12、valents are given for general information only. Ltr Dimensions (Inches and (mm) A .600 +.040/-.020 (15.24 +1.020/-0.508) B 0.65 typical (16.5) C .125 .030 (3.18 0.762) E .065 +.010/-.005 (1.65 +0.254/-0.127) F .040 .002 (1.02 0.051) FIGURE 1. Open air, current sense resistor. 3.3 Electrical characte
13、ristics. 3.3.1 Resistance. The nominal resistance is expressed in ohms and is identified by five digits; the letter “R“ shall be used to represent the decimal point. The resistance value designations are shown in table I. 3.3.2 Resistance range. The resistance range shall be from 0.005 ohm to 0.100
14、ohm. TABLE I. Resistance value designations. Designation Resistance ohms R0050 to R0097 inclusive R0100 to R0970 inclusive R1000 inclusive 0.0050 to 0.0097 inclusive 0.0100 to 0.0970 inclusive 0.1000 inclusive 3.3.2 Resistance tolerance. Resistors are available in resistance tolerances of (F) 1 perc
15、ent; (G) 2 percent; and (J) 5 percent. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DLA LAND AND MARITIME COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 10007 REV PAGE 4 3.3.3 Resistance temperature characteristic. The resistance temperature c
16、haracteristic of the alloy shall not exceed 20 ppm. Note: The resistance temperature characteristic is based on the metal alloy and copper termination and will vary slightly due to mounting methods and resistance range of the product. Values depicted are calculated and are less than the values indic
17、ated. 3.3.4 Power rating. The power rating shall be 3 watt at 85C. For temperatures in excess of +85C shall be derated in accordance with figure 2. 3.3.5 Inductance. Resistors shall have an inductance of less the 10 nanohenries. 3.3.6 Operating temperature. Resistors shall have an operating temperat
18、ure of -40C to +125C. FIGURE 2. Derating curve for high ambient temperatures. 3.4 Marking. Resistors shall be marked with the resistance value only due to size limitations. Each unit package shall be marked with PIN assigned herein (see 1.2) and manufacturers identification code (CAGE or logo), date
19、 code, and lot code. 3.5 Pure tin. The use of pure tin, as an underplate or final finish is prohibited both internally and externally. Tin content of resistor components and solder shall not exceed 97 percent, by mass. Tin shall be alloyed with a minimum of 3 percent lead, by mass (see 6.3). 3.6 Rec
20、ycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life
21、cycle costs. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DLA LAND AND MARITIME COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 10007 REV PAGE 5 3.7 Manufacturer eligibility. To be eligible for listing as an approved source of supply, a manufac
22、turer shall be listed on the MIL-PRF-39007, Qualified Products List for at least one part, or perform the group A and group B inspections specified herein on a sample agreed upon by the manufacturer and DLA Land and Maritime-VA. 3.7.1 Certificate of compliance. A certificate of compliance shall be r
23、equired from manufacturers requesting to be an approved source of supply. 3.8 Workmanship. Resistors shall be uniform in quality and free from defects that will affect life, serviceability, or appearance. 4. VERIFICATIONS 4.1 Product assurance program. The product assurance program specified in MIL-
24、PRF-39007, and maintained in accordance with MIL-STD-790 is not applicable to this document. 4.2 Product level qualification. The product level qualification specified in MIL-PRF-39007, and MIL-STD-690 is not applicable to this document. 4.3 Conformance provisions. 4.3.1 Inspection of product for de
25、livery. Inspection of product for delivery shall consist of group A inspection and group B inspection of MIL-PRF-39007. 4.3.2 Group A inspection. Group A inspection (ER inspection only) shall be in accordance with MIL-PRF-39007, (Subgroup 1 shall consist of DC resistance only, this testing is comple
26、ted through machine automation. Test data can be supplied on sampling bases in accordance with table XIII (subgroup 2) of MIL-PRF-39007, (see 6.2.d). 4.3.3 Group B inspection. Group B inspection shall be in accordance with MIL-PRF-39007. 4.3.3.1 Certification. The acquiring activity, at its discreti
27、on, may accept a certificate of compliance with group B requirements in lieu of performing group B tests (see 6.2e). 5. PACKAGING 5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When packaging of materiel is to be performe
28、d by DoD or in-house contractor personnel, these personnel need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements are maintained by the Inventory Control Points packaging activity within the Military Department or Defense Agency, or within the
29、military services system commands. Packaging data retrieval is available from the managing Military Departments or Defense Agencys automated packaging files, CD-ROM products, or by contacting the responsible packaging activity. 6. NOTES (This section contains information of a general or explanatory
30、nature that may be helpful, but is not mandatory.) 6.1 Intended use. Resistors are intended for use in dc amplifiers, voltmeter multipliers, electronic computers, meters, and laboratory test equipment. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
31、DLA LAND AND MARITIME COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 10007 REV PAGE 6 6.2 Ordering data. The contract or purchase order will specify the following: a. Complete PIN (see 1.2). b. Requirements for delivery: One copy of the conformance inspection data that parts have passed conforma
32、nce inspection, with each shipment of parts by the manufacturer. c. Bulk packaging requirements (see 5.1). d. Whether the manufacturer performs the group A, dc resistance sample test data (see 4.3.2). e. Whether the manufacturer performs the group B inspection or provides a certificate of compliance
33、 (see 4.3.3.1). 6.3 Tin whisker growth. The use of alloys with tin content greater than 97 percent, by mass, may exhibit tin whisker growth problems after manufacture. Tin whiskers may occur anytime from a day to years after manufacture and can develop under typical operating conditions, on products
34、 that use such materials. Conformal coatings applied over top of a whisker-prone surface will not prevent the formation of tin whiskers. Alloys of 3 percent lead, by mass, have shown to inhibit the growth of tin whiskers. For additional information on this matter, refer to ASTM-B545 (Standard Specif
35、ication for Electrodeposited Coatings of Tin). 6.4 User of record. Coordination of this document for future revisions is coordinated only with the approved source of supply and the users of record of this document. Requests to be added as a recorded user of this drawing may be achieved online at res
36、istordla.mil or in writing to: DLA Land and Maritime-VAT, Post Office Box 3990, Columbus, OH 43218-3990 or by telephone (614) 692-0552 or DSN 850-0552. 6.5 Approved source of supply. Approved source of supply is listed herein. Additional sources will be added as they become available. Assistance in
37、the use of this drawing may be obtained online at resistordla.mil or contact DLA Land and Maritime-VAT, Post Office Box 3990, Columbus, OH 43218-3990 or by telephone (614) 692-0552 or DSN 850-0552. DLA Land and Maritime drawing PIN Vendor similar designation or type number 1/ Vendor CAGE Vendor name
38、 and address 10007-* OAR-3 11502 International Resistive Company, INC 736 Greenway Road Boone, NC 28607-4830 1/ Parts must be purchased to the DLA Land and Maritime PIN to assure that all performance requirements and tests are met. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
