1、 REVISIONS LT DESCRIPTION DATE APPROVED A Add pure tin prohibition, manufacturer eligibility, pulse application paragraphs and table IV. Changes to paragraphs 3.6, 3.12, 3.13, 4.4.1 and table V. Deletion of power conditioning and overload tests. Editorial changes throughout. 11 JAN 11 M. Radecki Pre
2、pared in accordance with ASME Y14.100 Source control drawing REV STATUS OF PAGES REV A A A A A A A A A A A A A A PAGES 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PMIC N/A PREPARED BY Dennis L. Cross DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH Original date of drawing 18 July 2002 CHECKED BY Andrew R. Ernst T
3、ITLE: RESISTOR, FIXED, FILM, PRECISION, CHIP 1/8 WATT, STYLE 2012 APPROVED BY Kendall A. Cottongim SIZE A CODE IDENT. NO. 037Z3 DWG NO. 02001 REV A PAGE 1 OF 14 AMSC N/A 5905-E676 CURRENT DESIGN ACTIVITY CAGE CODE 037Z3 HAS CHANGED NAMES TO: DLA LAND AND MARITIME COLUMBUS, OHIO 43218-3990 Provided b
4、y 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. 02001 REV A PAGE 2 1. SCOPE 1.1 Scope. This drawing describes the requirements for a fixed, film, chip, 1/8 watt, precision resis
5、tor, style 2012. 1.2 Part or Identifying Number (PIN). The complete PIN is as follows: 02001- 1K050 T C Drawing number Resistance (3.3.1 and 3.5) Resistance tolerance (3.3.2) Temperature characteristic (3.4) 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handb
6、ooks. 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. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PRF-55342 - Resistors, Fixed,
7、Film, Chip, Nonestablished Reliability, Established Reliability, Space Level, General Specification For. * DEPARTMENT OF DEFENSE STANDARDS MIL-STD-202 - Tests Methods for Electronic and Electrical Components Parts. MIL-STD-690 - Failure Rate Sampling Plans and Procedures. MIL-STD-790 - Standard Prac
8、tice for Established 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, 7
9、00 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2 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 CO
10、NFERENCE OF STANDARDS LABORATORIES (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, Boulde
11、r, CO 80301-1026.) * 2.3 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, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unles
12、s a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Item requirements. The individual item requirements shall be as specified herein. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE
13、 IDENT NO. 037Z3 DWG NO. 02001 REV A PAGE 3 3.2 Interface and physical dimensions. The chip resistor shall meet the interface and physical dimensions as specified herein (see figure 1). A B C D E 0.200 0.020 0.096 0.015 0.040 0.010 0.125 0.005 0.050 0.010 Inches 0.005 0.010 0.015 0.020 0.040 mm 0.12
14、7 0.254 0.381 0.508 1.020 Inches 0.050 0.096 0.125 0.200 mm 1.270 2.440 3.180 5.080 Notes: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. FIGURE 1. Resistor, fixed, film, precision, chip. 3.3 Electrical characteristics. 3.3.1 Resistance. The nominal resist
15、ance is expressed in ohms and identified by five characters, consisting of four digits and a letter. The letter is used simultaneously as a decimal point and as a multiplier. For resistance values: a. Greater than or equal to 10 ohms but less than 1 kilohm, the letter “R” is used to represent a deci
16、mal point. b. Greater than or equal to 1 kilohm but less than 100 kilohms, the letter “K” is used to represent the decimal point. All digits preceding and following the letters R and K of the group represent significant figures. Minimum and maximum resistance values shall be as specified herein (see
17、 3.5). The standard values for every decade shall follow the sequence specified in table I for the resistance tolerances D and F. The resistance values for tolerances T, Q, A, and B maybe any value within the limits specified herein, but it is preferred that the values be chosen from the tighter tol
18、erance columns of table I. 3.3.2 Resistors tolerance. Resistors are available in tolerances (T) .01 percent, (Q) .02 percent, (A) .05 percent, (B) .1 percent, (C) .25 percent, (D) .5 percent, and (F) 1.0 percent. Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
19、om IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 02001 REV A PAGE 4 TABLE I. Standard resistance values for the 10 to 100 decade. Resistance tolerance T, Q, A, B, D F T, Q, A, B, D F T, Q, A, B, D F T, Q, A, B, D F T, Q, A, B, D F T, Q, A, B, D F 10.0 10.
20、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 10.2 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.
21、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 20.0 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.
22、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 35.2 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.
23、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 59.7 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.
24、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 69.8 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 3.4 Temperature characteristics. Resistors are available with temper
25、ature coefficient codes C or F as specified in table II. TABLE II. Characteristic. Resistance temperature characteristic (referenced to 25C) (ppm/C) RTC code Temperature C -55 -15 +65 +125 Min Max Min Max Min Max Min Max C -10 10 -10 10 -10 10 -10 10 F -10 10 -5 5 -5 5 -10 10 * 3.5 Resistance range.
26、 The resistance range shall be from 15 ohms to 100 kilohms. 3.6 Reactance. If circuit reactance is critical for your application, contact the sources of supply listed herein (see 6.7) for the circuit reactance characteristics. 3.7 Power rating. The power rating shall be 0.125 watt at +85C. For opera
27、tion at temperature in excess of +85C, derate in accordance with figure 2. 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. 02001 REV A PAGE 5 3.8 Voltage rating. The m
28、aximum continuous working voltage shall not exceed 200 volts. 3.9 Maximum weight. The maximum weight shall not exceed 0.00221 pound (1 gram). 3.10 Termination finish. Termination material shall be in accordance with MIL-PRF-55342 code letter B, except the termination may consist of a solder coated,
29、formed metal lead that egresses from the ends of the body and is formed around the bottom seating area of the device. 3.11 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 p
30、ercent, by mass. Tin shall be alloyed with a minimum of 3 percent lead, by mass (see 6.3). * 3.12 Thermal shock. When resistors are tested as specified in 4.6, there shall be no evidence of mechanical damage; the change in resistance shall be within the resistance tolerances specified in table IV of
31、 the group A tests. * 3.13 DC resistance. When resistors are tested as specified in 4.5, the dc resistance shall be within the specified tolerance of the nominal resistance (see 3.3.1) except for resistance tolerances .01, .02, .05 percent . additional tolerances testing is required on some lots aft
32、er the group A test to meet the final tolerance limit for all product deliverable on the contract 3.14 Solderability. When resistors are tested as specified in MIL-PRF-55342 and 4.7, the immersed metallized surface shall be at least 95 percent covered with a new clean smooth coating. 3.15 Life. When
33、 resistors are tested as specified in 4.8, there shall be no evidence of mechanical damage. The change in resistance between the initial measurement and any of the succeeding measurements, up to and including 1,000 hours, shall not exceed .1 percent. 3.16 Resistance temperature characteristic. When
34、resistors are tested as specified in 4.9, the resistance temperature characteristic, at each of the temperatures specified in 4.9c, referred to 25C 5C, and shall not exceed the value specified in table II for the applicable characteristic. 3.17 Dielectric withstanding voltage. When resistors are tes
35、ted as specified in 4.10, there shall be no evidence of flashover, mechanical damage, arching, or insulation breakdown. The change in resistance shall not exceed (.05 percent +.001 ohm). 3.18 Insulation resistance. When resistors are tested as specified in 4.11, the insulation resistance shall be no
36、t less than 10,000 megohms. 3.19 Low temperature operation. When resistors are tested as specified in 4.12, there shall be no evidence of mechanical damage. The change in resistance shall not exceed (0.05 percent). 3.20 Solder mounting integrity. When resistors are tested as specified in MIL-PRF-553
37、42 and 4.13 herein there shall be no evidence of mechanical damage. 3.21 Resistance to bonding exposure. When resistors are tested as specified in 4.14, there shall be no evidence of mechanical damage. The change in resistance shall not exceed (.075 percent +.001 ohm). 3.22 Moisture resistance. When
38、 resistors are tested as specified in 4.15 there shall be no evidence of mechanical damage. The power applied shall be 0.1 watt not to exceed rated voltage as a load voltage on all samples. The change in resistance shall not exceed (.1 percent +.001 ohm). 3.23 High temperature exposure. When resisto
39、rs are tested as specified in 4.16, there shall be no evidence of mechanical damage. The change in resistance shall not exceed (.2 percent +.001 ohm). Following this test, the dielectric withstanding voltage shall be as specified in 3.17, and the insulation resistance shall be 1,000 megohms minimum.
40、 3.24 Shock (specified pulse). When resistors are tested as specified in 4.17, there shall be no evidence of mechanical or electrical damage. The change in resistance shall not exceed (.01 percent +.001 ohm). There shall be no electrical discontinuity during the test. Provided by IHSNot for ResaleNo
41、 reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 02001 REV A PAGE 6 3.25 Resistance to solvents. When resistors are tested as specified in 4.18, there shall be no evidence of mechanical damage and th
42、e markings shall remain legible. NOTE: This curve indicates the percentage of nominal wattage to be applied at temperatures higher than 85C for the same R that would occur at 85C during life testing. However, at no time shall the applied voltage exceed the maximum rated voltage. FIGURE 2. Derating c
43、urves for various ambient temperatures. 3.26 Current noise. When resistors are tested as specified in 4.19, the current noise index shall not exceed 32dB from 10 ohms to 1 kilohm, -15db from 1.01 kilohms to 10 kilohms, and 0db from 10.1 kilohms to 100 kilohms, unless otherwise specified. 3.27 Visual
44、 inspection. Resistors shall be inspected as specified in 4.20, to verify that the interface, physical dimensions, marking, and workmanship are in accordance with the applicable requirements (see 3.2 and 3.31). 3.28 Marking. Due to size limitations, this style resistor shall be marked with the follo
45、wing minimum information: 1K05: - First four characters of the resistance value code. 00TY: - Last two characters of resistance value code, tolerance, and temperature characteristic. Each unit package shall be marked with the PIN assigned herein (see 1.2) and manufacturers identification code (CAGE
46、or logo). Where manufacturers are able to provide more information, the following is preferred in the sequence presented: Style, manufacturers trademark, production lot code, and source code. 3.29 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally p
47、referable 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 cycle costs. * 3.30 Manufacturer eligibility. To be eligible for listing as a approved source of sup
48、ply, a manufacturer shall be listed on the MIL-PRF-55342 Qualified Products List for at least one part, or perform the group A and group C inspections specified herein on a sample agreed upon by the manufacturer and DLA Land and Maritime-VAT. * 3.30.1 Certificate of compliance. A certificate of comp
49、liance shall be required from manufacturers requesting to be an approved source of supply. 3.31 Workmanship. Resistors shall be uniform in quality and free from defects that will affect life, serviceability, or appearance. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMB
