IEC INTERNATIONAL STANDARD 62317-7 First edition 2005-09 Ferrite cores - Dimensions - Part 7: EER-cores IEC Reference number IEC 62317-7:2005(E) Publication numbering As from 1 January 1997 allIEC 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. Furtherinformationon 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 wellas 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 On-line information is also available on recently issued publications, withdrawn and replaced publications, as well as corrigenda.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 recenty 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: [email protected] Tel: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC INTERNATIONAL STANDARD 62317-7 First edition 2005-09 Ferritecores-Dimensions- Part 7: EER-cores ATU IEC 2005 Copyright - all rights reserved No part of this publication may be reproduced or utlized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Intemational Electrotechnical Commission, 3, rue de Varembe, PO Box 131, CH-1211 Geneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: [email protected] Web: www.iec.ch K PRICECODE IEC Com mission Electrotechnique Internationale International Electrotechnical Com m ission MekAyHaponHag 3neKTpoTexHWeCkag KoMMCCWR For price, see current catalogue 62317-7IEC:2005(E) -2- CONTENTS FOREWORD.. Scope. 6 2 Normative references 3 Primary standards 3.1 Dimensions of EER-cores 6 3.2 Dimensional limits for coil formers Annex A (normative)Derived standards Annex B (normative) Example of a standard for gauges to check the dimensions of EER-cores meeting this primary standard .. Figure 1- Dimensions of EER-cores . Figure 2 - Essential dimensions of coil formers Figure B.1 -Gauge dimensions 10 Table 1 -Dimensions of EER-cores. Table 2-Effective parametervalues of EER-cores Table 3-Essential dimensions of coil formers. Table B.1-Gauge dimensions. 10 62317-7 IEC:2005(E) -3 INTERNATIONALELECTROTECHNICALCOMMISSION FERRITECORES-DIMENSIONS Part 7: EER-cores FOREWORD all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). Their preparation is entrusted to technical committees; any IEC National Committee interested ENSE governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely agreement between thetwo orga