BS 9940-04 0-1984 Harmonized system of quality assessment for electronic components - Fixed resistors for use in electronic equipment - Sectional specification fixed resistor netwo.pdf
《BS 9940-04 0-1984 Harmonized system of quality assessment for electronic components - Fixed resistors for use in electronic equipment - Sectional specification fixed resistor netwo.pdf》由会员分享,可在线阅读,更多相关《BS 9940-04 0-1984 Harmonized system of quality assessment for electronic components - Fixed resistors for use in electronic equipment - Sectional specification fixed resistor netwo.pdf(20页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARD BS9940-04.0: 1984 IEC115-6: 1983 QC400400: 1983 Incorporating Amendment No.1 Harmonized system of quality assessment for electronic components Fixedresistors for use in electronic equipment Part04.0: Sectional specification: Fixed resistor networks with individually measurable resis
2、tors IEC title: Fixed resistors for use in electronic equipment Part6: Sectional specification: Fixed resistor networks with individually measurable resistors UDC 621.316.8:621.38BS9940-04.0:1984 This BritishStandard, having been prepared under the directionof the Electronic Components Standards Com
3、mittee, was published underthe authority of the BoardofBSI and comes intoeffecton 28 September 1984 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference ECL/4 Draft for comment78/30152DC ISBN 0 580 14001 6 Committees responsible for this BritishStandard T
4、he preparation of this BritishStandard was entrusted by the Electronic Components Standards Committee (ECL/-) to Technical Committee ECL/4 upon which the following bodies were represented: British Telecommunications Electronic Components Industry Federation Electronic Engineering Association Ministr
5、y of Defence National Supervising Inspectorate Society of British Aerospace Companies Limited Telecommunication Engineering and Manufacturing Association (TEMA) Amendments issued since publication Amd. No. Date of issue Comments 5916 September 1989 Indicated by a sideline in the marginBS9940-04.0:19
6、84 BSI 01-2000 i Contents Page Committees responsible Inside front cover National foreword ii Section 1. General 1.1 Scope 1 1.2 Object 1 1.3 Related documents 1 1.4 Information to be given in a detail specification 1 1.5 Marking 2 Section 2. Preferred ratings, characteristics and test severities 2.
7、1 Preferred characteristics 3 2.2 Preferred values of ratings 4 2.3 Preferred test severities 5 Section 3. Quality assessment procedures 3.1 Structurally Similar Components 7 3.2 Qualification Approval 7 3.3 Quality Conformance Inspection 11 Appendix A Standardized schematic diagrams and pin identif
8、ications for fixed resistor networks 12 A.1 Diagrams for “Single-In-Line” configurations 12 A.2 Diagrams for “Dual-In-Line” and “Flat Pack” configurations 13 Table I 3 Table II 4 Table III Test schedule for Qualification Approval 8 Table IV A 11 Table IV B 11 Publications referred to Inside back cov
9、erBS9940-04.0:1984 ii BSI 01-2000 National foreword This Part of this BritishStandard has been prepared under the direction of the Electronic Components Standards Committee. It is identical with IEC Publication115-6 (QC400400) “Fixed resistors for use in electronic equipment. Part6: Sectional specif
10、ication: Fixed resistor networks with individually measurable resistors”, published in 1983 by the International Electrotechnical Commission (IEC), including Amendment No.1 (February1987). This standard is a harmonized specification within the IECQ system of quality assessment for electronic compone
11、nts. Terminology and conventions. The text of the International Standard has been approved as suitable for publication as a BritishStandard without deviation. Some terminology and certain conventions are not identical with those used in BritishStandards. Cross-references. The BritishStandard harmoni
12、zed with QC001001 and QC001002 is BS9000 “General requirements for a system for electronic components of assessed quality” Part1:1981 “Specification of basic rules and procedures”. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards a
13、re responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. International Standards Corresponding BritishStandards IEC63:1963 BS2488:1966 Schedule of preferred numbers for the resistance of resistors and the capacitance
14、of capacitors for telecommunication equipment (Technically equivalent) IEC68 BS2011 Basic environmental testing procedures IEC68-1:1981 Part1.1:1983 General and guidance (Identical) IEC115-1:1982 (QC400000:1982) BS9940 Harmonized system of quality assessment for electronic components. Fixed resistor
15、s for use in electronic equipment Part0:1983 Generic specification (Identical) IEC410:1973 BS6001:1972 Sampling procedures and tables for inspection by attributes (Technically equivalent) Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 to14, an ins
16、ide back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BS9940-04.0:1984 BSI 01-2000 1 Section 1. General 1.1 Scope This standard applies to fixed resistor n
17、etworks in which each individual resistor can be measured. The resistors may be individually isolated or interconnected in any circuit configuration which permits the measurement of each individual resistor. NOTEA separate sectional specification covering complex networks will be published as IEC Pu
18、blication115-7 (under consideration). 1.2 Object The object of this standard is to prescribe preferred ratings and characteristics and to select from IEC Publication115-1 (1982), the appropriate Quality Assessment procedures, tests and measuring methods and to give general performance requirements f
19、or this type of resistor network. Test severities and requirements prescribed in detail specifications referring to this sectional specification shall be of equal or higher performance level, because lower performance levels are not permitted. 1.3 Related documents IEC publications NOTEThe above ref
20、erences apply to the current editions except for IEC Publication68, for which the referenced edition in the applicable test clauses of the generic specification shall be used. 1.4 Information to be given in a detail specification Detail specifications shall be derived from the relevant blank detail
21、specification. Detail specifications shall not specify requirements inferior to those of the Generic or Sectional specification. When more severe requirements are included, they shall be listed in Sub-clause1.8 of the detail specification and indicated in the test schedules, for example by an asteri
22、sk. NOTEThe information given in Sub-clauses 1.4.1 and 1.4.3 may, for convenience, be presented in tabular form. The following information shall by given in each detail specification and the values quoted shall preferably be selected from those given in the appropriate clause of this sectional speci
23、fication. 1.4.1 Outline drawing and dimensions There shall be an illustration of the network as an aid to easy recognition and for comparison of the network with others. Dimensions and their associated tolerances, which affect interchangeability and mounting, shall be given in the detail specificati
24、on. All dimensions shall preferably be stated in millimetres, however when the original dimensions are given in inches, the converted metric dimensions in millimetres shall be added. 1.4.2 Mounting The detail specification shall specify the method of mounting to be applied for normal use and for the
- 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:
- BS99400401984HARMONIZEDSYSTEMOFQUALITYASSESSMENTFORELECTRONICCOMPONENTSFIXEDRESISTORSFORUSEINELECTRONICEQUIPMENTSECTIONALSPECIFICATIONFIXEDRESISTORNETWOPDF

链接地址:http://www.mydoc123.com/p-547678.html