IEC_60115-8-2009.pdf

IEC 60115-8Edition 2.0 2009-01INTERNATIONAL STANDARD Fixed resistors for use in electronic equipment Part 8:Sectional specification Fixed surface mount resistors IEC 60115-8:2009(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office 3,rue de Varemb CH-1211 Geneva 20 Switzerland Email:inmailiec.ch Web:www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.?Catalogue of IEC publications:www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.?IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month all new publications released.Available on-line and also by email.?Electropedia:www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary online.?Customer Service Centre:www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 60115-8Edition 2.0 2009-01INTERNATIONAL STANDARD Fixed resistors for use in electronic equipment Part 8:Sectional specification Fixed surface mount resistors INTERNATIONAL ELECTROTECHNICAL COMMISSION XICS 31.040.10 PRICE CODEISBN 2-8318-1023-9 Registered trademark of the International Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60115-8 IEC:2009(E)CONTENTS FOREWORD.41General.61.1Scope.61.2Object.61.3Normative references.61.4Information to be specified in a detail specification.71.4.1Outline drawing.71.4.2Style and dimensions.71.4.3Climatic category.71.4.4Limits of resistance change after testing.71.4.5Resistance range.71.4.6Tolerances on nominal resistance.71.4.7Temperature coefficient of resistance.71.4.8Rated dissipation.71.4.9Limiting element voltage.81.4.10 Insulation voltage.81.4.11 Insulation resistance.81.4.12 Marking.81.4.13 Ordering information.81.4.14 Mounting.81.5Product classification.82Preferred characteristics,ratings and test severities.92.1Preferred characteristics.92.1.1Style and dimensions.92.1.2Preferred climatic categories.112.1.3Variation of resistance with temperature.112.1.4Limits for change in resistance.122.2Preferred values of ratings.132.2.1Resistance.132.2.2Tolerances on resistance.132.2.3Rated dissipation P70.132.2.4Limiting element voltage Umax.142.2.5Insulation resistance.142.2.6Insulation voltage.142.3Preferred test severities.142.3.1Short time overload.142.3.2Solderability.152.3.3Resistance to soldering heat.152.3.4Shear(adhesion)test.162.3.5Periodic pulse overload test.172.3.6Resistance to electrostatic discharge(ESD).172.3.7Component solvent resistance.182.3.8Solvent resistance of marking.182.4Preparation of specimen.182.4.1Drying.182.4.2Mounting of components.183Quality assessment procedures.21LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60115-8 IEC:2009(E)3 3.1General.213.2Definitions.213.2.1Primary stage of manufacture.213.2.2Structurally similar components.213.2.3Assessment level EZ.213.3Formation of inspection lots.213.4Qualification approval.223.4.1Qualification approval on the basis of the fixed sample size procedure.223.4.2Qualification approval on the basis of lot-by-lot and periodic testing.233.5Quality conformance inspection.233.6Technology approval procedures.233.7Delayed delivery.23Annex A(normative)0 resistors(Jumper).36A.1