1、 INTERNATIONAL STANDARD IEC62317-7 First edition2005-09 Ferrite cores Dimensions Part 7:EER-cores Reference number IEC 62317-7:2005(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
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7、e 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
8、INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL STANDARD IEC62317-7 First edition2005-09 Ferrite cores Dimensions Part 7:EER-cores IEC 2005 Copyright-all rights reserved No part of this publication may be reproduced or utilized in any form or by any means,electronic o
9、r 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 K For price,see
10、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 62317-7 IEC:2005(E)CONTENTS FOREWORD.3 1 Scope.6 2 Normative references.6
11、 3 Primary standards.6 3.1 Dimensions of EER-cores.6 3.2 Dimensional limits for coil formers.6 Annex A(normative)Derived standards.9 Annex B(normative)Example of a standard for gauges to check the dimensions of EER-cores meeting this primary standard.10 Figure 1 Dimensions of EER-cores.7 Figure 2 Es
12、sential dimensions of coil formers.8 Figure B.1 Gauge dimensions.10 Table 1 Dimensions of EER-cores.7 Table 2 Effective parameter values of EER-cores.7 Table 3 Essential dimensions of coil formers.8 Table B.1 Gauge dimensions.10 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOC
13、ATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62317-7 IEC:2005(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FERRITE CORES DIMENSIONS Part 7:EER-cores FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical c
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16、-governmental organizations liaising with the IEC also participate in this preparation.IEC collaborates closely with the International Organization for Standardization(ISO)in accordance with conditions determined by agreement between the two organizations.2)The formal decisions or agreements of IEC on technical matters express,as nearly as possible,an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Com
