【BS英国标准】BS EN 140100-2008 Sectional Specification Fixed low power film resistors.pdf
《【BS英国标准】BS EN 140100-2008 Sectional Specification Fixed low power film resistors.pdf》由会员分享,可在线阅读,更多相关《【BS英国标准】BS EN 140100-2008 Sectional Specification Fixed low power film resistors.pdf(30页珍藏版)》请在三一文库上搜索。
1、BRITISH STANDARD BS EN 140100:2008 Sectional Specification: Fixed low power film resistors ICS 31.040.10 ? Licensed Copy: Queens UniversityAthens, The Queens University of Belfast, 22/04/2008 11:18, Uncontrolled Copy, (c) BSI BS EN 140100:2008 This British Standard was published under the authority
2、of the Standards Policy and Strategy Committee on 30 April 2008 BSI 2008 ISBN 978 0 580 57664 5 National foreword This British Standard is the UK implementation of EN 140100:2008. It supersedes BS EN 140100:1997 which is withdrawn. The UK participation in its preparation was entrusted to Technical C
3、ommittee EPL/40X, Capacitors and resistors for electronic equipment. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct appli
4、cation. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComments Licensed Copy: Queens UniversityAthens, The Queens University of Belfast, 22/04/2008 11:18, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 140100 NOR
5、ME EUROPENNE EUROPISCHE NORM February 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploita
6、tion in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 140100:2008 E ICS 31.040.10 Supersedes EN 140100:1996 + A1:2001 English version Sectional Specification: Fixed low power film resistors Spcification intermdiaire: Rsistances couche fixes faible dissipation Rahmensp
7、ezifikation: Schicht-Festwiderstnde niedriger Belastbarkeit This European Standard was approved by CENELEC on 2007-10-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard w
8、ithout any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other lan
9、guage made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, D
10、enmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Queens UniversityAthens, The Queens Uni
11、versity of Belfast, 22/04/2008 11:18, Uncontrolled Copy, (c) BSI EN 140100:2008 2 Foreword This European Standard was prepared by the Technical Committee CENELEC TC 40XB, Resistors. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 140100 on 200
12、7-10-01. This European Standard supersedes EN 140100:1996 + A1:2001. Compared to the superseded standard, the following changes have been implemented: modification of the title; introduction of a test on the resistance to electrostatic discharge; introduction of description and test methods for lead
13、-free soldering; introduction of the code letters for temperature coefficient as given in EN 60062; adoption of the IECQ rules of procedure, QC 001002-3; editorial revision. The preceding document on the subject covered by this specification has been CECC 40 100:1980. The following dates were fixed:
14、 latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2008-10-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2010-10-01 _ BS EN 140100:2008 Licensed Copy: Queens
15、 UniversityAthens, The Queens University of Belfast, 22/04/2008 11:18, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m 3 EN 140100:2008 Table of contents 1 General.4 1.1 Scope .4 1.2 Information to be specified in the detail specification.4 2 Preferred characteristics, ratings and severities fo
16、r environmental and overload tests5 2.1 Preferred characteristics 5 2.1.1 Style and dimensions5 2.1.2 Preferred climatic categories.6 2.1.3 Temperature coefficients of resistance.6 2.1.4 Limits of change of resistance.7 2.2 Preferred values of ratings .9 2.2.1 Rated resistance .9 2.2.2 Tolerances on
17、 rated resistance.9 2.2.3 Rated dissipation (in the mounted state).9 2.2.4 Limiting element voltage .9 2.2.5 Insulation resistance (insulated styles only)9 2.2.6 Insulation voltage (insulated styles only).9 2.2.7 Combinations of tolerance on rated resistance and temperature coefficient9 2.3 Preferre
18、d test severities .10 2.3.1 Damp heat, steady state .10 2.3.2 Vibration 10 2.3.3 Low air pressure10 2.3.4 Rapid change of temperature10 2.3.5 Solderability.10 2.3.6 Resistance to soldering heat.11 2.3.7 Overload11 2.3.8 Single pulse high voltage overload .12 2.3.9 Periodic electric overload12 2.3.10
19、 Resistance to electrostatic discharge12 2.3.11 Flammability12 2.4 Preparation of specimen 12 2.4.1 Drying12 2.4.2 Mounting of components on a test rack12 2.4.3 Mounting of components on test boards.13 3 Quality assessment procedures.14 3.1 General.14 3.1.1 Structurally similar components 14 3.1.2 F
20、ormation of inspection lots 14 3.2 Qualification approval on the basis of the fixed sample size procedure14 3.3 Quality conformance inspection.15 3.4 Technology approval15 3.5 Assessed process average procedures.15 3.6 Delayed delivery.15 Annex A (normative) Fixed sample size Qualification Approval
21、and Quality Conformance Inspection test schedule for fixed low power resistors 16 Annex B (informative) Letter symbols and abbreviations.25 Bibliography27 BS EN 140100:2008 Licensed Copy: Queens UniversityAthens, The Queens University of Belfast, 22/04/2008 11:18, Uncontrolled Copy, (c) BSI w w w .
22、b z f x w . c o m EN 140100:2008 4 1 General 1.1 Scope This sectional specification prescribes the preferred values for characteristics and ratings and also the inspection requirements for fixed film resistors of assessed quality. These resistors generally have wire terminations and are primarily in
23、tended to be mounted directly on to printed boards. It selects from the generic specification, EN 60115-1, the appropriate methods of test to be used in detail specifications derived from this specification. Associated with this specification are one or more blank detail specifications each referenc
24、ed by an EN number. A blank detail specification which has been completed as specified in 1.2 of this specification forms a detail specification. Such detail specifications may be used for the grant of Qualification approval and for the performance of Quality conformance inspection in accordance wit
- 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:
- BS英国标准 【BS英国标准】BS EN 140100-2008 Sectional Specification Fixed low power film resistors BS 英国 标准 140100
链接地址:https://www.31doc.com/p-3694589.html