DLA DSCC-DWG-12009-2012 RESISTOR CHIP FIXED FILM VALUES LESS THAN 1 OHM STYLE 2010.pdf
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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 7 PMIC N/A PREPARED BY Andrew R. Ernst DLA LAND AND MARITIME COLUMBUS, OH 43218-3990 Original date of drawing CHECKED BY Andrew R. Ernst TITLE: RESISTOR,
2、 CHIP, FIXED, FILM, VALUES LESS THAN 1 OHM, STYLE 2010 APPROVED BY Michael Radecki SIZE A CODE IDENT. NO. 037Z3 DWG NO. 12009 REV PAGE 1 OF 7 AMSC N/A 5905-2012-E27 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DLA LAND AND MARITIME COLUMBUS, OHIO
3、SIZE A CODE IDENT NO. 037Z3 DWG NO. 12009 REV PAGE 2 1. SCOPE 1.1 Scope. This drawing describes the requirements for a fixed, film, chip resistor of very low resistance values and a wide range of characteristics and tolerances, style 2010. 1.2 Part or Identifying Number (PIN). The complete PIN is sh
4、own in the following example: 12009 - K R1000 F B | | | | | | | | | | Drawing number Characteristic (see 3.3.1) Resistance (see 3.3.2) Tolerance (see 3.3.3) Termination material (see 3.3.4) 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specificat
5、ions and standards 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, Chip, Fixed, Film, Nonestablished Reliability, Es
6、tablished Reliability, Space Level, General Specification for. MIL-PRF-55342/8 - Resistors, Chip, Fixed, Film, Nonestablished Reliability, Established Reliability, Space Level, Style 2010. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-690 - Failure Rate Sampling Plans and Procedures. MIL-STD-790 - Standar
7、d Practice 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.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 7
8、00 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2 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 (except for related specification sheets), the text of this document t
9、akes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DLA LAND AND MARITIME COLUMBUS, OHIO SIZE A CODE IDENT NO. 0
10、37Z3 DWG NO. 12009 REV PAGE 3 3. REQUIREMENTS 3.1 Item requirements. The individual item requirements shall be in accordance with MIL-PRF-55342, and as specified herein. 3.2 Interface and physical dimensions. The resistor shall meet the interface and physical dimensions as specified in MIL-PRF-55342
11、/8 and herein (see figure 1). 3.3 Electrical characteristics. 3.3.1 Characteristic. Resistors are available in characteristics K (100ppm), L (200ppm), M (300ppm), N (400ppm), W (500ppm), X (700ppm), and Z (800ppm) in accordance with paragraph 6.7 herein. 3.3.1.1 Characteristics L, N, W, X, and Z. Th
12、e maximum change in resistance for conformance pertaining to characteristics L, N, W, X, and Z shall be as specified in MIL-PRF-55342, table I, characteristic M. 3.3.2 Resistance. The nominal resistance is expressed in ohms and is identified by five digits. The letter “R“ is substituted for one of t
13、he significant digits to represent the decimal point. The succeeding digits of the group represent the significant figures. Minimum and maximum values are as specified (see 3.3.2.1 and 6.7). 3.3.2.1 Resistance measurement. When measuring the dc resistance of this device the side opposite the film sh
14、all be the referee point. 3.3.2.2 Resistance range. The resistance range shall be 0.0499 ohms to 0.9999 ohms inclusive in accordance with table I and paragraph 6.7 herein. TABLE I. Resistance value designations. Designation Resistance ohms R0499 to R0999 incl. R1000 to R4999 incl. R5000 to R9990 inc
15、l. 0.0499 to 0.0999 incl. 0.1000 to 0.4999 incl. 0.5000 to 0.9990 incl. 3.3.3 Resistance tolerance. Resistors are available in resistance tolerances F (1 percent), G (2 percent), J (5 percent), K (10 percent), and M (20 percent) in accordance with paragraph 6.7 herein. 3.3.4 Termination material. Te
16、rmination material shall be in accordance with MIL-PRF-55342, code letter B. 3.3.4.1 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
17、with a minimum of 3 percent lead, by mass (see 6.4). 3.3.5 Power rating. The power rating for all characteristics shall be 800 milliwatts at 70C derated to zero power at +150C. 3.3.6 Voltage rating. The maximum continuous working voltage shall not exceed 150 volts. Provided by IHSNot for ResaleNo re
18、production or networking permitted without license from IHS-,-,-DLA LAND AND MARITIME COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO. 12009 REV PAGE 4 Configuration A Configuration B Configuration Dimension A Inches Dimension B Inches Dimension C Inches Dimension D Inches Dimension E Inches A 0.2
19、06 +0.005 0.098 +0.005 0.012 / 0.030 0.015 0.005 N/A B 0.209 +0.009 -0.018 0.098 +0.005 0.015 / 0.033 0.020 +0.005 0.020 +0.005 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. The pictorial view of the styles above is given as representative of th
20、e 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. 4. Configuration A is not applicable to this document. FIGURE 1. Chip resistor. Inches mm 0.005 0.13 0.009 0.23 0.012 0.30
21、0.015 0.38 0.020 0.51 0.030 0.76 0.033 0.84 0.098 2.49 0.206 5.23 0.209 5.31 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. 12009 REV PAGE 5 3.4 Marking. Marking is not require
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