1、 INTERNATIONAL STANDARD IEC61185 Second edition2005-06 Ferrite cores(ETD-cores)intended for use in power supply applications Dimensions Reference number IEC 61185:2005(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numbe
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8、 MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL STANDARD IEC61185 Second edition2005-06 Ferrite cores(ETD-cores)intended for use in power supply applications Dimensions IEC 2005 Copyright-all rights reserved No part of this publicat
9、ion 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 Te
10、lefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch N 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
11、 61185 IEC:2005(E)CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Primary standards.5 3.1 Dimensions of ETD-cores.5 3.2 Dimensional limits for coil formers.5 3.3 Pin locations and base outlines.6 3.4 Pin diameter.6 4 Marking.6 5 Mounting.6 Annex A(normative)Derived standards.11 Annex B(norm
12、ative)Example of a standard for gauges to check the dimensions of ETD-cores meeting this primary standard.14 Figure 1 Dimensions of ETD-cores.6 Figure 2 Essential dimensions of coil formers.8 Figure 3 Pin locations and base outlines viewed from the upper-side of the board(see 3.3).10 Figure A.1 Main
13、 dimensions.12 Figure B.1 Gauge dimensions.14 Table 1 Dimensions of ETD-cores.7 Table 2 Effective parameter and Amin values.7 Table 3 Essential dimensions of coil formers.8 Table A.1 Main dimensions.13 Table B.1 Gauge dimensions.14 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS
14、LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61185 IEC:2005(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FERRITE CORES(ETD-CORES)INTENDED FOR USE IN POWER SUPPLY APPLICATIONS DIMENSIONS FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization co
15、mprising 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 this end and in addition to other activities,IEC publishes International St
16、andards.Technical Specifications,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 in the subject dealt with may participate in this preparatory work.International,governmental and non-governmental organizations liaising with the IEC also participate in this preparation.IEC collaborates closely with the International Organization for Standard
