DLA DSCC-DWG-06003 REV B-2013 RESISTOR CHIP FIXED POWER METAL STRIP SURFACE MOUNT LOW VALUE (2 WATT) STYLE 4527.pdf
《DLA DSCC-DWG-06003 REV B-2013 RESISTOR CHIP FIXED POWER METAL STRIP SURFACE MOUNT LOW VALUE (2 WATT) STYLE 4527.pdf》由会员分享,可在线阅读,更多相关《DLA DSCC-DWG-06003 REV B-2013 RESISTOR CHIP FIXED POWER METAL STRIP SURFACE MOUNT LOW VALUE (2 WATT) STYLE 4527.pdf(6页珍藏版)》请在麦多课文档分享上搜索。
1、 REVISIONS LTR DESCRIPTION DATE APPROVED A Add short time overload requirements. Editorial changes throughout. 7 APR 06 M. Radecki B Add test requirements to the PIN and new table, manufacturing eligibility paragraph and new vendor plant. Editorial changes throughout. 19 DEC 13 M. Radecki Prepared i
2、n accordance with ASME Y14.100 REV STATUS OF PAGES REV B B B B B B PAGES 1 2 3 4 5 6 PMIC N/A PREPARED BY Andrew R. Ernst DESIGN ACTIVITY: DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO Original date of drawing 28 February 2006 CHECKED BY Andrew R. Ernst TITLE RESISTOR, CHIP, FIXED, POWER METAL STRI
3、P, SURFACE MOUNT, LOW VALUE (2 WATT), STYLE 4527 APPROVED BY Michael A. Radecki SIZE A CODE IDENT. NO. 037Z3 DWG NO. 06003 REV B PAGE 1 OF 6 AMSC N/A 5905-2014-E01 . CURRENT DESIGN ACTIVITY CAGE CODE 037Z3 HAS CHANGED NAMES TO: DLA LAND AND MARITIME COLUMBUS, OHIO 43218-3990 Provided by IHSNot for R
4、esaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OHIO SIZE A CODE IDENT NO. 037Z3 DWG NO: 06003 REV B PAGE 2 1. SCOPE 1.1 Scope. This drawing describes the requirements for a .455 X .275, 2 watt, fixed, power metal strip, surface mou
5、nted resistor. * 1.2 Part or Identifying Number (PIN). The complete PIN is as follows: 06003 - * * * I I I I I I I I Drawing Resistance value Tolerance Testing number (see 3.3.1, 3.3.2) (see 3.3.3) requirements (see 3.3.6) 2. APPLICABLE DOCUMENTS * 2.1 General. The documents listed in this section a
6、re specified in sections 3, 4 and 5 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 to ensure the completeness of this list, document users are caut
7、ioned that they must meet all specified requirements of documents in sections 3, 4 and 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this documen
8、t 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, Established Reliability, Space Level, General Sp
9、ecification for. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-690 - Failure Rate Sampling Plans and Procedures. MIL-STD-790 - Established Reliability and High Reliability Qualified Products List (QPL) Systems for Electrical, Electronic, and Fiber Optic Parts Specifications. * (Copies of these documents a
10、re available online at http:/quicksearch.dla.mil or from the DLA Document Services, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) * 2.3 Order of precedence. Unless otherwise noted herein or in the contract, or in the event of a conflict between the text of this document and the refe
11、rences cited herein (except for related specification sheets), the text of this 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 requireme
12、nts shall be in accordance with MIL-PRF-55342, and as specified herein. 3.2 Interface and physical dimensions. Resistors shall meet the interface and physical dimensions as specified herein (see figure 1). 3.3 Electrical characteristics. 3.3.1 Resistance. The nominal resistance is expressed in ohms
13、and is identified by five digits. The Letter “R” is substituted for one of the significant digits to represent the decimal point. Resistance values from the standard resistance value table in MIL-PRF-55342 for 0.1 percent and 1.0 percent values shall be used. 3.3.2 Resistance range. The resistance r
14、ange shall be 0.01 ohms to 1.0 ohm (see 6.5). 3.3.3 Resistance tolerance. Resistance tolerances are available in (D) 0.5 percent and (F) 1 percent (see 6.5). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEFENSE SUPPLY CENTER, COLUMBUS COLUMBUS, OH
15、IO SIZE A CODE IDENT NO. 037Z3 DWG NO: 06003 REV B PAGE 3 Dimensions L H T W W1 0.455 0.032 (11.56 0.813) 0.095 0.005 (2.41 0.127) 0.100 0.010 (2.54 0.254) 0.275 0.005 (6.98 0.127) 0.215 0.005 (5.46 0.127) NOTES: 1. Dimensions are in inches, millimeters are shown in parentheses. 2. Millimeter equiva
16、lents are given for general information only. FIGURE 1. Resistor, fixed, power metal strip, surface mount. 3.3.4 Power rating. The power rating shall be 2 watt at +70C. For operation at temperatures greater than +70C, derate in accordance with figure 2. 3.3.5 Resistance temperature coefficient. The
17、resistance temperature coefficient shall be 75 ppm. * 3.3.6 Testing requirements. The requirement for testing shall be identified by a single letter in accordance with table I. TABLE I. Testing. Symbol Testing requirements (blank) Group A A Group A and Group B B Group A and Power moisture C Group A,
18、 Group B and Power moisture NOTE: Any testing requirements that are not specified in the PIN shall have a certificate of compliance issued (see 4.4.2). 3.4 Pure tin. The use of pure tin, as an underplate or final finish is prohibited both internally and externally. Tin content of resistor components
19、 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). 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
20、 NO: 06003 REV B PAGE 4 FIGURE 2. Derating curves for high ambient temperatures. * 3.5 Power moisture resistance. When resistors are tested as specified in 4.5, there shall be no evidence of mechanical damage; the change in resistance between the initial and final measurements shall not exceed (0.5
21、percent+ 0.0005 ohm). 3.6 Solder mounting integrity. When resistors are tested as specified in 4.6 there shall be no evidence of mechanical damage. Force applied shall be 1.8 kilograms. 3.7 Short time overload. When resistors are tested as specified in 4.7, there shall be no evidence of arcing, burn
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- DLADSCCDWG06003REVB2013RESISTORCHIPFIXEDPOWERMETALSTRIPSURFACEMOUNTLOWVALUE2WATTSTYLE4527PDF

链接地址:http://www.mydoc123.com/p-688619.html