1、 REVISIONS LT DESCRIPTION DATE APPROVED A Revise section 4. Editorial changes throughout. 10 April 92 D. Moore B Changes in accordance with NOR 5905-R007-92. 12 May 93 D. Moore C Revise drawing. 29 APR 98 D. Moore D Update and validation of drawing. Editorial changes throughout. 19 NOV 03 K. Cottong
2、im E Add supersession data and tin prohibition paragraph. Editorial changes throughout. 9 NOV 05 W. Sindelar CURRENT DESIGN ACTIVITY CAGE CODE 037Z3 DEFENSE LOGISTICS AGENCY DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO 43218-3990 Prepared in accordance with ASME Y14.100 Selected item drawing REV E
3、 E E E E PAGE 16 17 18 19 20 REV STATUS OF PAGES REV E E E E E E E E E E E E E E E PAGES 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PMIC N/A PREPARED BY Allan Knox DESIGN ACTIVITY: DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO 45444-5000 Original date of drawing 29 September 89 CHECKED BY David E. Moore TI
4、TLE RESISTOR, FIXED, FILM, PRECISION, 0.1 WATT, POWER CURVE C APPROVED BY David E. Moore SIZE A CODE IDENT. NO. 14933 DWG NO. 89088 REV E PAGE 1 OF 20 AMSC N/A 5905-E560 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER
5、 DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 89088 REV E PAGE 2 1. SCOPE 1.1 Scope. This drawing describes the requirements for a fixed, film, 0.1 watt, power curve C, precision resistor. 1.2 Part or Identifying Number (PIN). The complete PIN is as follows (see 3.3.5 and 6.4): 89088 A * V Y Dra
6、wing number Terminal finish (3.3.1) Resistance (3.3.2 and 3.3.3) Resistance tolerance (3.3.4) Temperature characteristic (3.3.6) 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of thi
7、s 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 Parts. MIL-STD-810 - Environmental Test Methods a
8、nd Engineering Guidelines. MIL-STD-1276 - Leads for Electronic Components Parts. MIL-STD-1285 - Marking of Electrical and Electronic Parts. (Copies of these documents are available online at http:/assist.daps.dla.mil/quicksearch/ or http:/assist.daps.dla.mil or from the Standardization Document Orde
9、r Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2 Non-Government publications. The following document form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are those cited in the solicitation or contract. N
10、ATIONAL CONFERENCE OF STANDARDS LABORATORIES (NCSL) NCSL Z540.1 - Calibration Laboratory and Measuring and Test Equipment, General Requirements for. (Application for copies should be addressed to the National Conference of Standards Laboratories (NCSL) International, 1800 30thStreet, Suite 305, Boul
11、der, CO 80301-1026.) 2.3 Order of precedence. 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 unless a specific exemption has been o
12、btained. 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 figure 1). Provided by IHSNot for ResaleNo reproduction or network
13、ing permitted without license from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 89088 REV E PAGE 3 Inches .0020 .0250 .0310 .0460 .0625 .1020 mm 0.050 0.640 0.790 1.170 1.588 2.590 Inches .1250 .2500 .3250 .5000 1.5000mm 3.180 6.400 8.260 13.000 38.000Not
14、es: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. The end of the body shall be the point at which the body diameter equals the nearest drill size larger than 250 percent of the nominal lead diameter. 4. Maximum length is clean lead to clean lead. 5. Re
15、sistance measuring point shall be 0.5 inch .125 inch for resistance values of 10 ohms or more and .0625 inch .025 inch for resistance values less than 10 ohms. FIGURE 1. Fixed resistors, precision. 3.3 Electrical characteristics. 3.3.1 Termination finish. Termination material shall be in accordance
16、with MIL-STD-1276 and table I. TABLE I. Termination finish. 1/ Termination symbol Termination material in accordance with MIL-STD-1276. A B C32 Electroplated tin lead terminals. C52 Hot solder dipped terminals. 1/ The maximum thickness of the hot solder dip coating as called for C52 in MIL-STD-1276
17、shall not be applicable. 3.3.1.1 Pure tin. The use of pure, as an underplate or final finish is prohibited both internally and externally. Tin content of resistors 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). 3.3.2 Resista
18、nce range. The resistance range shall be from 10 ohms to 0.5 megohm. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 89088 REV E PAGE 4 3.3.3 Resistance. The nominal re
19、sistance 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 multiplier. 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 dec
20、imal 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 megohm, the letter “M” is used to represent a decimal point. All digits preceding and following the letters (R, K, and M) of the group represe
21、nt significant figures. Minimum and maximum resistance values shall be as specified herein. The standard values for every decade shall follow the sequence specified 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 s
22、pecified in 3.3.2, but it is preferred that values be chosen from the D column of table II. TABLE II. Standard resistance values for the 10 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.
23、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 17.2 17.4 17.6 17.8 18.
24、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 29.1 29.4 29.8 30.1 30.
25、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 35.7 36.5 37.4 38.3 39.
26、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 69.0 69.8 70.6 71.5 72.
27、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 3.3.4 Resistance tolerance. Resistors are available in tolerances (V) .005 percent, (T)
28、.01 percent, (A) .05 percent, (B) .1 percent, (D) .5 percent, and (F) 1.0 percent. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 89088 REV E PAGE 5 3.3.5 Reactance. I
29、f circuit reactance is critical for your application, the contractor shall contact the manufacturer for the circuit reactance characteristics (see 6.4). 3.3.6 Temperature characteristics. Resistors are available with temperature coefficients codes Y, A, B, C, D, E, F, and G, as specified in table II
30、I. TABLE III. Characteristic. Resistance temperature characteristic (referenced to 25C) (ppm/C) Temperature C RTC -55 -15 +65 +125 +150 +175 code Min Max Min Max 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 2.5 5.0 10 3.7 -1.5 -2.5 -5 -10 -1.5 -2.5 -5 -
31、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 -5.5 -3.5 -6 -12 -3.5 -6 -12 -4.1 -0.5 3.5 6.0 12.0 3.5 6.0 12.0 -1.1 -7 -4.5 -7 -15 -4.5 -7 -15 -4.5 -1 4.5 7.0 15 4.5 7.0 15.0 -1.5 3.4 Powe
32、r rating. The power rating shall be 0.100 watt at +85C for power rating curve C. For operation at temperature in excess of +85C, derate in accordance with figure 2. NOTE: These curves indicate the percentage of nominal wattage to be applied at temperatures higher and lower than 85C for the same R th
33、at would occur at 85C during life testing. However, at no time shall the applied voltage exceed the maximum for each style. FIGURE 2. Derating curves for various ambient temperatures. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONIC
34、 SUPPLY CENTER DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 89088 REV E PAGE 6 3.5 Voltage rating. The maximum continuous working voltage shall not exceed 200 volts. 3.6 Maximum weight. The maximum weight shall not exceed 0.00221 pound (1 gram). 3.7 Power conditioning. When resistors are tested
35、as specified in 4.5, there shall be no evidence of mechanical damage; the change in resistance shall not exceed (.05 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 4.6, there shall b
36、e no evidence of mechanical damage; the change in resistance shall not exceed (.05 percent +.001 ohm) for power conditioning, thermal shock, and overload tests combined (see 3.7 and 3.9). 3.9 Overload. When resistors are tested as specified in 4.7, there shall be no evidence of arching, burning, or
37、charring; the change in resistance shall not exceed (.05 percent +.001 ohm) for power conditioning, thermal shock, and overload tests combined (see 3.7 and 3.8). 3.10 DC resistance. When resistors are tested as specified in 4.8, the dc resistance shall be within the specified tolerance of the nomina
38、l resistance (see 3.3.3) for all products 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 t
39、hereof; where sealing is accomplished by material fusion, welding, brazing, or soldering. When tested as specified in 4.9, 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 evide
40、nce of a continuous stream of bubbles emanating from the specimen. 3.12 Solderability. When resistors are tested as specified in 4.10, 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 4.11, there
41、 shall be no evidence of mechanical damage and the markings shall remain legible. 3.14 Resistance temperature characteristic. When resistors are tested as specified in 4.12, the resistance temperature characteristic, at each of the temperatures specified in table VII, referred to 25C 5C shall not ex
42、ceed the value specified in table III for the applicable characteristic. 3.15 Low temperature storage and operation. When resistors are tested as specified in 4.13, there shall be no evidence of mechanical damage. The change in resistance shall not exceed (0.01 percent +.001 ohm). 3.16 Terminal stre
43、ngth. When resistors are tested as specified in 4.14, there shall be no evidence of breaking or loosening of terminals from the resistor form, or chipping of coating, or other evidence of mechanical damage. The change in resistance shall not exceed (.01 percent +.001 ohm). 3.17 Dielectric withstandi
44、ng voltage. When resistors are tested as specified in 4.15, there shall be no evidence of flashover, mechanical damage, arching, or insulation breakdown. The change in resistance shall not exceed (.01 percent +.001 ohm). 3.18 Insulation resistance. When resistors are tested as specified in 4.16, the
45、 insulation resistance shall be not less than 10,000 megohms. 3.19 Resistance to soldering heat. When resistors are tested as specified in 4.17, there shall be no evidence of mechanical damage. The change in resistance shall not exceed (.01 percent +.001 ohm). 3.20 Moisture resistance. When resistor
46、s are tested as specified in 4.18, there shall be no evidence of mechanical damage. The change in resistance for nonhermetically sealed resistors shall not exceed (.05 percent +.001 ohm). For hermetically sealed resistors, the change in resistance shall not exceed (.01 percent +.001 ohm). In additio
47、n, 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. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE ELECTRONIC SUPPLY CENTER
48、DAYTON, OHIO SIZE A CODE IDENT NO. 14933 DWG NO. 89088 REV E PAGE 7 3.21 Shock (specified pulse). When resistors are tested as specified in 4.19, 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 electr
49、ical discontinuity during the test. 3.22 Vibration, high frequency. When resistors are tested as specified in 4.20, there shall be no evidence of mechanical damage. The change in resistance shall not exceed (.01 percent +.001 ohm). There shall be no electrical discontinuity during the test. 3.23 Life. When resistors are tested as specified in 4.21, the
