DLA DSCC-DWG-98022 REV B-2010 RESISTORS FIXED FILM (INSULATED) 1 WATT.pdf
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1、 REVISIONS LT DESCRIPTION DATE APPROVED A Five year document review. Update to present DoD policy requirements 6 Feb 2004 K. Cottongim B Add pure tin, manufacturer eligibility, and high power pulse paragraphs. Editorial changes throughout. 3 Dec 2010 M. Radecki Prepared in accordance with ASME Y14.1
2、00 Source control drawing REV STATUS OF PAGES REV B B B B B B PAGES 1 2 3 4 5 6 PMIC N/A PREPARED BY Dennis L. Cross DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH Original date of drawing 23 November 1998 CHECKED BY Andrew R. Ernst TITLE RESISTORS, FIXED, FILM (INSULATED), 1 WATT APPROVED BY Andrew R
3、. Ernst SIZE A CODE IDENT. NO. 037Z3 DWG NO. 98022 REV B PAGE 1 OF 6 AMSC N/A 5905-E720 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 without license from IHS-,-,-DEFE
4、NSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 98022 REV B PAGE 2 1. SCOPE * 1.1 Scope. This drawing describes the requirements for insulated, fixed, film, 1 watt resistors available in 2 percent, 5 percent, and 10 percent resistance tolerances. These resistors are ca
5、pable of full-load operation at an ambient temperature of 70OC. Designers are CAUTIONED on using these resistors in high power pulse applications (see 6.4). 1.2 Part or Identifying Number (PIN). The complete PIN is as follows: 98022 - G 220 | | | | | | Drawing number Tolerance (see 3.3.1) Resistance
6、 value (see 3.3.2) 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 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
7、 cited in the solicitation or contract. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PRF-39017 - Resistors, Fixed, Film (Insulated), Nonestablished Reliability, Established Reliability, General Specification for. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-790 - Standard Practice for Established Reliability
8、 and High Reliability Qualified Products List (QPL) Systems for Electrical, Electronic, and Fiber Optic Parts Specifications. MIL-STD-1285 - Marking of Electrical and Electronic Parts. * (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from the Standardiz
9、ation Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) * 2.2 Order of precedence. Unless otherwise noted herein or 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 th
10、is document takes precedence. Nothing in this document, however, supersedes applicable 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-39017, and as specified herein. 3.2 I
11、nterface and physical dimensions. The interface and physical dimensions shall be as specified in MIL-PRF-39017 and herein (see figure 1). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE IDENT
12、 NO. 037Z3 DWG NO. 98022 REV B PAGE 3 .562 + .031 / - .042 1.500 .125 1.500 .125 SEE NOTE 3 .040 + .002 - .009 .625 MAX SEE NOTE 2 .190 .015 LEAD LOCATION AT TRUE POSITION WITHIN .016 DIA SEE NOTE 4 NOTES: 1. Dimensions are in inches. Metric equivalents are given for general information only. 2. Max
13、imum length is “clean lead” to “clean lead”. 3. The end of the body shall be that point at which the body diameter equals the nearest drill size larger than 250 percent of the nominal lead diameter. 4. Lead length for tape and reel packaging shall be 1 inch (25.4 mm) minimum (see 6.2). 5. The pictor
14、ial view of the style above does not depict the actual size and is given as representative of the envelope of the item. Slight deviations from the outline shown, which are contained within the envelope, and do not alter the functional aspects of the device are acceptable. FIGURE 1. Fixed, film, resi
15、stor. 3.3 Electrical characteristics. 3.3.1 Resistance tolerance. The resistance tolerance available shall be (G) 2 percent, (J) 5 percent, and (K) 10 percent. 3.3.2 Resistance. The nominal resistance expressed in ohms is identified by three digits; the first two digits represent significant figures
16、 and the last digit specifies the number of zeros to follow. Minimum and maximum resistance values shall be as specified in 3.3.3. Resistance values not listed in the “10 to 100“ decade of table I for the appropriate resistance tolerance shall be considered nonconforming to the specification. Inches
17、 mm Inches mm .002 0.05 .125 3.18 .015 0.38 .190 4.83 .016 0.41 .562 14.27 .031 0.79 .625 15.88 .040 1.02 1.500 38.10 .042 1.07 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
18、 DWG NO. 98022 REV B PAGE 4 TABLE I. Standard resistance values for 10 to 100 decade. (G) (J) (K) (G) (J) (K) (G) (J) (K) 10.0 11.0 12.0 13.0 15.0 16.0 18.0 20.0 10.0 - 12.0 - 15.0 - 18.0 - 22.0 24.0 27.0 30.0 33.0 36.0 39.0 43.0 22.0 - 27.0 - 33.0 - 39.0 - 47.0 51.0 56.0 62.0 68.0 75.0 82.0 91.0 47
19、.0 - 56.0 - 68.0 - 82.0 - 3.3.3 Resistance range. Minimum and maximum resistance values for temperature characteristic of 350 parts per million (ppm) shall be 3.0 megohm and 22 megohms respectively. 3.3.4 Power rating. The power rating shall be 1 watt at +70OC. For operation at temperatures higher t
20、han +70OC, derate in accordance with figure 2. FIGURE 2. Derating curve 3.3.5 Voltage rating. The maximum continuous working voltage shall not exceed 350 volts. 3.3.6 Termination. Termination material shall be in accordance with MIL-PRF-39017. * 3.3.6.1 Pure tin. The use of pure tin, as an underplat
21、e 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). 3.3.7 Solderability. The requirement for solderability shall be as specified i
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