BS EN 140401-801-2007 Detail specification - Fixed low power film SMD resistors - Rectangular - Stability classes 0 1 0 25 0 5 1《详细规范 低功率表面安装设备(SMD)的固定薄膜电阻器 矩形 0 1、0 25、0 5和1级别的稳定性.pdf
《BS EN 140401-801-2007 Detail specification - Fixed low power film SMD resistors - Rectangular - Stability classes 0 1 0 25 0 5 1《详细规范 低功率表面安装设备(SMD)的固定薄膜电阻器 矩形 0 1、0 25、0 5和1级别的稳定性.pdf》由会员分享,可在线阅读,更多相关《BS EN 140401-801-2007 Detail specification - Fixed low power film SMD resistors - Rectangular - Stability classes 0 1 0 25 0 5 1《详细规范 低功率表面安装设备(SMD)的固定薄膜电阻器 矩形 0 1、0 25、0 5和1级别的稳定性.pdf(38页珍藏版)》请在麦多课文档分享上搜索。
1、Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 14/02/2008 02:03, Uncontrolled Copy, (c) BSIg49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58R
2、ectangular Stability classes 0,1; 0,25; 0,5; 1The European Standard EN 140401-801:2007 has the status of a British StandardICS 31.040.10Detail specification: Fixed low power film SMD resistors BRITISH STANDARDBS EN 140401-801: 2007BS EN 140401-801:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STAN
3、DARDS, 14/02/2008 02:03, Uncontrolled Copy, (c) BSIThis British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2007 BSI 2007ISBN 978 0 580 57661 4Amendments issued since publicationAmd. No. Date Commentscontract. Users are responsible for its
4、 correct application.Compliance with a British Standard cannot confer immunity from legal obligations.National forewordThis British Standard is the UK implementation of EN 140401-801:2007. It supersedes BS EN 140401-801:2002 which is withdrawn. The UK participation in its preparation was entrusted t
5、o Technical Committee 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 EUROPEAN STANDARD EN 140401-801 NORME EURO
6、PENNE EUROPISCHE NORM September 2007 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 2007 CENELEC - All rights of exploitation i
7、n any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 140401-801:2007 E ICS 31.040.10 Supersedes EN 140401-801:2002 + A1:2003English version Detail specification: Fixed low power film SMD resistors - Rectangular - Stability classes 0,1; 0,25; 0,5; 1 Spcification particulire
8、: Rsistances couche fixes faible dissipation CMS - Rectangulaires - Catgories de stabilit 0,1; 0,25; 0,5; 1 Bauartspezifikation: SMD Schicht-Festwiderstnde niedriger Belastbarkeit - Rechteckig - Stabilittsklassen 0,1; 0,25; 0,5; 1 This European Standard was approved by CENELEC on 2007-05-01. CENELEC
9、 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 without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on appl
10、ication 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 language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretar
11、iat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Ne
12、therlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 14/02/2008 02:03, Uncontrolled Copy, (c) BSIEN 140401-801:2007 2 Foreword This European Standard was prepared by the Technical C
13、ommittee CENELEC TC 40XB, Resistors. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 140401-801 on 2007-05-01. This European Standard supersedes EN 140401-801:2002 + A1:2003. The preceding document on the subject covered by this specification
14、has been CECC 40 401-801:1998. 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 in 1.6 and Annex A; introduction of description and test methods for lead-free soldering in
15、1.8, 1.10.3 and Annex A; introduction of the code letters for temperature coefficient as given in EN 60062; revision of the ordering information in 1.9.4; revised information on pulse load capability in 1.10.6; revised information on resistance value drift in 1.10.7; revised information on current n
16、oise in 1.10.9; adoption of the IECQ rules of procedure, QC 001002-3; revision of the sample quantities and the sequence of tests in Annex A; editorial revision. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical nationa
17、l standard or by endorsement (dop) 2008-05-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2010-05-01 This specification is part of four documents describing fixed resistors for surface mount technology as follows: EN 60115-1 Fixed resistors for use
18、in electronic equipment - Part 1: Generic specification (IEC 60115-1, mod.) EN 140400 Sectional specification: Fixed low power surface mount (SMD) resistors EN 140401 Blank Detail Specification: Fixed low power non wire-wound surface mount (SMD) resistors EN 140401-801 Detail specification: Fixed lo
19、w power film SMD resistors - Rectangular - Stability classes 0,1; 0,25; 0,5; 1 _ Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 14/02/2008 02:03, Uncontrolled Copy, (c) BSI 3 EN 140401-801:2007 Table of contents 1 Characteristics and ratings 4 1.1 Dimensions and ratings. 4 1.2 Derating curve
20、 6 1.3 Resistance range and tolerance on rated resistance. 6 1.3.1 Version A. 6 1.3.2 Version E. 9 1.4 Variation of resistance with temperature and temperature rise 10 1.5 Climatic categories 10 1.6 Limits for change of resistance at tests . 11 1.7 Non-linear properties. 12 1.8 Tests related to sold
21、ering 12 1.8.1 Severities for solderability testing . 12 1.8.2 Severities for testing resistance to soldering heat. 13 1.9 Marking, packaging and ordering designation 14 1.9.1 Marking of the component 14 1.9.2 Taping . 14 1.9.3 Marking of the packaging. 14 1.9.4 Ordering information 14 1.10 Addition
22、al information (not for inspection purpose) 15 1.10.1 Storage 15 1.10.2 Mounting 15 1.10.3 Soldering process 15 1.10.4 Conductive gluing 15 1.10.5 Use of cleaning solvents 15 1.10.6 Pulse load capability 15 1.10.7 Variation of resistance value (drift) for operating times up to 200 000 h 18 1.10.8 Di
23、ssipation notes . 20 1.10.9 Current noise. 21 1.10.10 Temperature range extension 21 2 Quality assessment procedures 22 2.1 General. 22 2.1.1 Zero defect approach. 22 2.1.2 100 %-test . 22 2.1.3 0 Resistor 23 2.1.4 Certificate of Conformity (CoC) 23 2.1.5 Certified test records 23 2.1.6 Failure rate
24、 level 23 2.2 Qualification approval 23 2.2.1 Version A. 23 2.2.2 Version E. 23 2.3 Quality conformance inspection 23 2.3.1 Qualification approval according to QC 001002-3, Clause 3. 24 2.3.2 Technology approval according to QC 001002-3, Clause 6 24 2.3.3 Non-conforming items 24 Annex A (normative)
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