IEC_60062-2004.pdf

INTERNATIONAL STANDARD IEC60062 Fifth edition2004-11 Marking codes for resistors and capacitors Reference number IEC 60062:2004(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to this publication,including its validity,is available in the IEC Catalogue of publications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publications The on-line catalogue on the IEC web site(www.iec.ch/searchpub)enables you to search by a variety of criteria including text searches,technical committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also available by email.Please contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.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.INTERNATIONAL STANDARD IEC60062 Fifth edition2004-11 Marking codes for resistors and capacitors IEC 2004 Copyright-all rights reserved 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 the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch P For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60062 IEC:2004(E)CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Colour code for fixed resistors.5 4 Letter and digit code for resistance and capacitance values.7 5 Letter code for tolerance and temperature coefficient on resistance and capacitance values.11 6 Date code system for capacitors and resistors.12 7 Code letter(index)for the dielectric material of plastic film and paper capacitors.15 Table 1 Values corresponding to colours.6 Table 2a Examples of code marking for resistance values max.3 significant digits.8 Table 2b Examples of code marking for resistance values 4 significant digits.8 Table 3 Examples of code marking in the three-character code system.9 Table 4 Examples of code marking in the four-character code system.9 Table 5a Examples of code marking for capacitance values max.3 significant digits.10 Table 5b Examples of code marking for capacitance values 4 significant digits.10 Table 6 Letter code for symmetrical tolerances(per cent).11 Table 7 Letter code for asymmetrical tolerances(per cent).11 Table 8 Letter code for symmetrical tolerances(fixed values).11 Table 9 Letter code for temperature coefficient of resistance(TCR).12 Table 10a Year in the two-character code(20-year cycle).13 Table 10b Month in the two-character code(20-year cycle).13 Table 11a Year in the two-character code(10-year cycle).13 Table 11b Month in the two-character code(10-year cycle).14 Table 12 One-character code 4-year cycle.15 Table 13 Letter corresponding to dielectric of plastic film material.15 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60062 IEC:2004(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MARKING CODES FOR RESISTORS AND CAPACITORS FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields.To t