1、 REVISIONS LT DESCRIPTION DATE APPROVED A Add vendors, and editorial changes throughout. 2 MAY 01 K. Cottongim B Inactivation for new design. Add pure tin prohibition, manufacturer eligibility and pulse application paragraphs. Editorial changes throughout. 8 JUL 09 M. Radecki C Add for the allowance
2、 of a high temperature solder within the pure tin prohibition paragraph. Editorial changes throughout. 23 MAR 12 M. Radecki CURRENT DESIGN ACTIVITY CAGE CODE 037Z3 HAS CHANGED NAMES TO: DLA LAND AND MARITIME COLUMBUS, OHIO 43218-3990 Notice of Inactivation for New Design DLA Land and Maritime Drawin
3、g 97010 is inactive for new design as of 8 July 2009, and is used for replacement purposes only. For new design use DLA Land and Maritime drawing 89039. Prepared in accordance with ASME Y14.100 Source control drawing REV C C C C C PAGE 16 17 18 19 20 REV STATUS OF PAGES REV C C C C C C C C C C C C C
4、 C C PAGES 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PMIC N/A PREPARED BY Andrew R. Ernst DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH Original date of drawing 24 June 1998 CHECKED BY Andrew R. Ernst TITLE RESISTOR, FIXED, FILM, PRECISION, 0.3 WATT, POWER CURVE B APPROVED BY David E. Moore SIZE A CODE IDE
5、NT. NO. 037Z3 DWG NO. 97010 REV C PAGE 1 OF 20 AMSC N/A 5905-2011-E24 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 97010 REV C PAGE 2 1. SCOPE 1.1 Scope. This drawi
6、ng describes the requirements for a fixed, film, 0.3 watt, power curve B, precision resistor. 1.2 Part or Identifying Number (PIN). The complete PIN is as follows: 97010 * * * Drawing number Resistance (3.3.2) and (3.3.3) Resistance tolerance (see 3.3.4) Temperature characteristics (3.3.6) 2. APPLIC
7、ABLE 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 or recommended for additional information or as examples. While every effort has been made t
8、o 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 Government documents 2.2.1 Specifications, standards, and handbooks. The following specifica
9、tions, 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. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-202 - Tests Methods for Electronic and Electrical Components
10、 Parts. MIL-STD-810 - Environmental Test Methods and Engineering Guidelines. MIL-STD-1276 - Leads for Electronic Components Parts. (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building
11、4D, Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following documents 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. NATIONAL CONFERENCE OF STANDARDS LABORATO
12、RIES (NCSL) NCSL Z540.3 - Requirements for the Calibration of Measuring and Test Equipment. (Copies of this document are available from http:/www.ncsli.org or from the National Conference of Standards Laboratories (NCSL) International, 1800 30thStreet, Suite 305, Boulder, CO 80301-1026.) * 2.4 Order
13、 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 (except for related specification sheets), the text of this document takes precedence. Nothing in this document, however, supersedes applicab
14、le laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Item requirements. The individual item requirements shall be as specified herein. 3.2 Interface and physical dimensions. Resistors shall meet the interface and physical dimensions as specified herein (see figu
15、re 1). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 97010 REV C PAGE 3 Inches .0020 .0100 .0150 .0200 .0250 .0300 .0625 .0750 mm 0.050 0.250 0.380 0.510 0.640 0.760
16、 1.588 1.910 Inches .1050 .1250 .1500 .3020 .3250 .5000 1.3750 mm 2.670 3.180 3.810 7.670 8.260 12.700 34.930 Notes: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. The lead measurements shall be made at the point of emergence from the body. 4. Style and
17、 placement of the standoffs are optional. 5. Centerline of terminal shall coincide with the centerline of the body within .010 inch. 6. Resistance measuring point shall be 0.5 inch .125 inch. FIGURE 1. Fixed resistors, precision. Provided by IHSNot for ResaleNo reproduction or networking permitted w
18、ithout license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 97010 REV C PAGE 4 3.3 Electrical characteristics. 3.3.1 Termination finish. Termination material shall be in accordance with MIL-STD-1276 and table I. TABLE I. Termination finish. Terminat
19、ion material in accordance with MIL-STD-1276. C32 Electroplated tin lead terminals. C52 Hot solder dipped terminals. 1/ 1/ Hot solder dipped available through purchase order (see 6.2e). * 3.3.1.1 Pure tin. The use of pure tin, as an underplate or final finish is prohibited both internally and extern
20、ally. 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). Only Tin/Silver Sn96.5Ag3.5 alloy high temperature solder with DLA Land and Maritime-VAT approval, may be used where high temperature so
21、lder is necessary. 3.3.2 Resistance range. The resistance range shall be from 4.99 ohms to 0.200 megohm. 3.3.3 Resistance. The nominal resistance expressed in ohms is identified by six characters, consisting of five digits and a letter. The letter is used simultaneously as a decimal point and as a m
22、ultiplier. For resistance values: a. Greater than or equal to 10 ohms but less than 1,000 ohms, the letter “R” is used to represent a decimal point. b. Greater than or equal to 1,000 ohms but less than 1 megohm, the letter “K” is used to represent a decimal point. c. Greater than or equal to 1 megoh
23、m, the letter “M” is used to represent a decimal point. All digits preceding and following the letters (R, K, and M) of the group represent significant figures. Minimum and maximum resistance values shall be as specified herein. The standard values for every decade shall follow the sequence specifie
24、d in table II for resistance tolerances D and F. The resistance values for tolerances V, T, A, and B may be any value within the limits specified in 3.3.2, but it is preferred that values be chosen from the D column of table II. 3.3.4 Resistance tolerance. Resistors are available in tolerances V .00
25、5 percent, T .01 percent, A .05 percent, B 0.1 percent), D 0.5 percent, and F 1.0 percent. 3.3.5 Reactance. If circuit reactance is critical for your application, the contractor shall contact the manufacturer for the circuit reactance characteristics. 3.3.6 Temperature characteristics. Resistors are
26、 available with temperature coefficients codes Y, A, B, C, D, E, F, and G, as specified in table III. 3.4 Power rating. The power rating shall be 0.3 watt at +125C for power rating curve B. For operation at temperature in excess of +125C, derate in accordance with figure 2. 3.5 Voltage rating. The m
27、aximum continuous working voltage shall not exceed 300 volts. 3.6 Maximum weight. The maximum weight shall not exceed 0.00221 pound (1 gram). 3.7 Power conditioning. When resistors are tested as specified in 4.6, there shall be no evidence of mechanical damage; the change in resistance shall not exc
28、eed (.02 percent +.001 ohm) for power conditioning, thermal shock, and overload test combined (see 3.8 and 3.9). 3.8 Thermal shock. When resistors are tested as specified in 4.7, there shall be no evidence of mechanical damage; the change in resistance shall not exceed (.02 percent +.001 ohm) for po
29、wer conditioning, thermal shock, and overload tests combined (see 3.7 and 3.9). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 97010 REV C PAGE 5 3.9 Overload. When r
30、esistors are tested as specified in 4.8, there shall be no evidence of arching, burning, or charring; the change in resistance shall not exceed (.02 percent +.001 ohm) for power conditioning, thermal shock, and overload tests combined (see 3.7 and 3.8). TABLE II. Standard resistance values for the 1
31、0 to 100 decade. Resistance tolerance (0.5) D (1.0) F (0.5) D (1.0) F (0.5) D (1.0) F (0.5) D (1.0) F (0.5) D (1.0) F (0.5) D (1.0) F 10.0 10.1 10.2 10.4 10.5 10.6 10.7 10.9 11.0 11.1 11.3 11.4 11.5 11.7 11.8 12.0 12.1 12.3 12.4 12.6 12.7 12.9 13.0 13.2 13.3 13.5 13.7 13.8 14.0 14.2 14.3 14.5 10.0 1
32、0.2 10.5 10.7 11.0 11.3 11.5 11.8 12.1 12.4 12.7 13.0 13.3 13.7 14.0 14.3 14.7 14.9 15.0 15.2 15.4 15.6 15.8 16.0 16.2 16.4 16.5 16.7 16.9 17.2 17.4 17.6 17.8 18.0 18.2 18.4 18.7 18.9 19.1 19.3 19.6 19.8 20.0 20.3 20.5 20.8 21.0 21.3 14.7 15.0 15.4 15.8 16.2 16.5 16.9 17.4 17.8 18.2 18.7 19.1 19.6 2
33、0.0 20.5 21.0 21.5 21.8 22.1 22.3 22.6 22.9 23.2 23.4 23.7 24.0 24.3 24.6 24.9 25.2 25.5 25.8 26.1 26.4 26.7 27.1 27.4 27.7 28.0 28.4 28.7 29.1 29.4 29.8 30.1 30.5 30.9 31.2 21.5 22.1 22.6 23.2 23.7 24.3 24.9 25.5 26.1 26.7 27.4 28.0 28.7 29.4 30.1 30.9 31.6 32.0 32.4 32.8 33.2 33.6 34.0 34.4 34.8 3
34、5.2 35.7 36.1 36.5 37.0 37.4 37.9 38.3 38.8 39.2 39.7 40.2 40.7 41.2 41.7 42.2 42.7 43.2 43.7 44.2 44.8 45.3 45.9 31.6 32.4 33.2 34.0 34.8 35.7 36.5 37.4 38.3 39.2 40.2 41.2 42.2 43.2 44.2 45.3 46.4 47.0 47.5 48.1 48.7 49.3 49.9 50.5 51.1 51.7 52.3 53.0 53.6 54.2 54.9 55.6 56.2 56.9 57.6 58.3 59.0 5
35、9.7 60.4 61.2 61.9 62.6 63.4 64.2 64.9 65.7 66.5 67.3 46.4 47.5 48.7 49.9 51.1 52.3 53.6 54.9 56.2 57.6 59.0 60.4 61.9 63.4 64.9 66.5 68.1 69.0 69.8 70.6 71.5 72.3 73.2 74.1 75.0 75.9 76.8 77.7 78.7 79.6 80.6 81.6 82.5 83.5 84.5 85.6 86.6 87.6 88.7 89.8 90.9 92.0 93.1 94.2 95.3 96.5 97.6 98.8 68.1 6
36、9.8 71.5 73.2 75.0 76.8 78.7 80.6 82.5 84.5 86.6 88.7 90.9 93.1 95.3 97.6 TABLE III. Characteristic. Resistance temperature characteristic (referenced to 25C) (ppm/C) Temperature C RTC -55 -15 +65 +125 code Min Max Min Max Min Max Min Max Y A B C D E F G -0 -2.5 -5 -10 -2.5 -5 -10 0.7 5 2.5 5.0 10 2
37、.5 5.0 10 3.7 -1.5 -2.5 -5 -10 -1.5 -2.5 -5 -0.7 3.5 2.5 5.0 10 1.5 2.5 5.0 2.3 -4 -2.5 -5 -10 -1.5 -2.5 -5 -2.8 1.0 2.5 5.0 10 1.5 2.5 5.0 0.2 -5 -2.5 -5 -10 -2.5 -5 -10 -3.3 0 2.5 5 10 2.5 5.0 10 -0.3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
38、-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 97010 REV C PAGE 6 NOTE: These curves indicate the percentage of nominal wattage to be applied at temperatures higher and lower than 125C for the same R that would occur at 125C during life testing. However, at no ti
39、me shall the applied voltage exceed the maximum for each style. FIGURE 2. Derating curves for various ambient temperatures. 3.10 DC resistance. When resistors are tested as specified in 4.9, the dc resistance shall be within the specified tolerance of the nominal resistance (see 3.3.3) for all produ
40、cts deliverable on the contract. 3.11 Hermetic seal (when applicable). For the purposes of this specification, a hermetically sealed resistor is one in which the resistive element is contained within a sealed enclosure of ceramic, glass, metal, or combinations thereof; where sealing is accomplished
41、by material fusion, welding, brazing, or soldering. When tested as specified in 4.10, the resistors supplied shall be capable of passing the seal tests, meeting a fine leak rate requirement of not more than 1 x 10-7atm cc/s, and a gross seal test showing no evidence of a continuous stream of bubbles
42、 emanating from the specimen. 3.12 Solderability. When resistors are tested as specified in 4.11, they shall meet the criteria for wire-lead terminal evaluation in the test method. 3.13 Resistance to solvents. When resistors are tested as specified in 4.12, there shall be no evidence of mechanical d
43、amage and the markings shall remain legible. 3.14 Resistance temperature characteristic. When resistors are tested as specified in 4.13, the resistance temperature characteristic, at each of the temperatures specified in 4.13b, referred to 25C 5C shall not exceed the value specified in table III for
44、 the applicable characteristic. 3.15 Low temperature storage and operation. When resistors are tested as specified in 4.14, there shall be no evidence of mechanical damage. The change in resistance shall not exceed (0.01 percent +.001 ohm). Provided by IHSNot for ResaleNo reproduction or networking
45、permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 97010 REV C PAGE 7 3.16 Terminal strength. When resistors are tested as specified, there shall be no evidence of breaking or loosening of terminals from the resistor form, or chi
46、pping of coating, or other evidence of mechanical damage. The change in resistance shall not exceed (.01 percent +.001 ohm). 3.17 Dielectric withstanding voltage. When resistors are tested as specified in 4.16, there shall be no evidence of flashover, mechanical damage, arching, or insulation breakd
47、own. The change in resistance shall not exceed (.01 percent +.001 ohm). 3.18 Insulation resistance. When resistors are tested as specified in 4.17, the insulation resistance shall be not less than 10,000 megohms. 3.19 Resistance to soldering heat. When resistors are tested as specified in 4.18, ther
48、e shall be no evidence of mechanical damage. The change in resistance shall not exceed (.01 percent +.001 ohm). 3.20 Moisture resistance. When resistors are tested as specified in 4.19, there shall be no evidence of mechanical damage. The change in resistance for nonhermetically sealed resistors sha
49、ll not exceed (.05 percent +.001 ohm). For hermetically sealed resistors, the change in resistance shall not exceed (.01 percent +.001 ohm). In addition, the change in resistance due to dielectric withstanding voltage shall not exceed (.02 percent +.001 ohm), and the insulation resistance shall be 100 megohms minimum. 3.21 Shock (specified pulse). When resistor
