IEC IEC60424-1 Edition2.0:2015-12 INTERNATIONAL STANDARD NORME INTERNATIONALE Ferritecores-Guidelinesonthe limitsofsurfaceirregularities一 Part1Generalspecification Noyaux ferrites -Lignes directrices relatives aux limites des irregularites de surface Partie1:Specificationgenerale IEC 60424-1:2015-12(en-f) THISPUBLICATIONISCOPYRIGHTPROTECTED Copyright2015IEC,Geneva,Switzerland All rights reserved. Unless otherwise specified,no part of this publication may be reproduced or utilized in any form orbyanymeanselectronicormechanical,includingphotocopyingandmicrofimwithoutpermissioninwritingfrom eitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIEC your local IEC member National Committee for further information. etlesmicrofilms,sans Iaccord ecrit de IEC ou du Comite national de IEC dupays dudemandeur.Si vous avezdes questions surlecopyrightde IiEC ou si vous desirez obtenir des droits supplementaires sur cette publication,utilisez lescoordonneesci-apres oucontactez leComitenational de IlECdevotrepaysderesidence. IECCentral Office Tel.: +41229190211 3,rue de Varembe Fax:+41229190300 CH-1211Geneva 20 [email protected] Switzeriand www.iec.ch About the IEC International Standards for all electrical,electronic and relatedtechnologies. AboutIECpublications The technical content of IEC publications iskept under constant review by the IEC.Pleasemake sure that you have the latestedition,acorrigendaoranamendmentmighthavebeenpublished. IEc Catalogue-webstore.lec.ch/catalogue Electropedia-www.electropedia.org The stand-aloneapplication for consulting theentire The worid's leading online dictionary of electronic and bibliographical infomation on IEC International Standards, Technical Specifications, Technical Reports andother definitions in English and French, with equivalent terms in 15 documents.Available far PC,Mac OS,Android Tablets and additional languages.Also known as the Intemational iPad. Electrotechnical Vocabulary (IEV) online. IECpublicationssearch-www.lec.ch/searchpub IEc Glossary-std.lec.ch/glossary The advanced search enables to find IEC publicatians bya More than 60 000 electrotechnical terminology entries in varietyof criteria (reference number,text, technical English and French extracted from the Terms and Definitions commitee..).It also gives information on projects,replaced clause of IEC publications issued since 2002.Same entries and withdrawnpublications. have been collected fromearlierpublications df IECTC37, 77,86 and CISPR. IEcJustPublished-webstore.lec.ch/justpublished Stay up to date on all new IEC publications.Just Published IEcCustomerServiceCentre-webstore.lec.ch/csc details all newpublicationsreleased.Available onlineand If you wish to give us your feedback on this publication or also once a month by email. need further assistance,please contact the Customer Service Centre:[email protected]. Apropos de lIEc La Commission Electrotechnique Internationale (IEC)est la premiere organisation mondiale qui elabore et publiedes Apropos des publications IEC Lecontenutechnique des publications IEC est constamment revu.Veuillez vous assurerquevous possedezI'edition la plusrecente,uncorrigendumouamendementpeutavoiretepublie. Catalogue lEC-webstore.lec.ch/catalogue Electropedia-www.electropedia.org Applicationautonome pourconsultertouslesrenseignements Le premier dictionnaire en ligne de termes electroniques et bibliographiques sur les Nomes intemationales, Glectriques.ll contientplus de 30000 termes et definitions en Specifications techniques, Rapports techniques et autres anglais et en francais, ainsi que les termes equivalents dans documents de IiEC.Disponible pourPC,Mac OS,tablettes 15 langues additionnelles.Egalement appele Vocabulaire Android et iPad. Electrotechnique International (iEV) en ligne. RecherchedepublicationslE-www.lec.ch/searchpub GlossaireIEc-std.iec.ch/glossary LarechercheavanceepermetdetrouverdespublicationslEC Plus de 60000entrees teminologiques electrotechniques,en en utilisant