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1、 INTERNATIONAL STANDARD IEC 61185 Second edition 2005-06 Ferrite cores (ETD-cores) intended for use in power supply applications Dimensions Reference number IEC 61185:2005(E) Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001,
2、User=listmgr, listmgr Not for Resale, 03/06/2007 06:20:49 MSTNo reproduction or networking permitted without license from IHS -,-,- 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 600
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8、 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 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111
9、001, User=listmgr, listmgr Not for Resale, 03/06/2007 06:20:49 MSTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD IEC 61185 Second edition 2005-06 Ferrite cores (ETD-cores) intended for use in power supply applications Dimensions IEC 2005 Copyright - all
10、 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 G
11、eneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmailiec.ch Web: www.iec.ch N For price, see current catalogue PRICE CODE Commission Electrotechnique Internationale International Electrotechnical Commission Copyright International Electrotechnical Commission Prov
12、ided by IHS under license with IECLicensee=IHS Employees/1111111001, User=listmgr, listmgr Not for Resale, 03/06/2007 06:20:49 MSTNo reproduction or networking permitted without license from IHS -,-,- 2 61185 IEC:2005(E) CONTENTS FOREWORD.3 1 Scope.5 2 Normative references .5 3 Primary standards 5 3
13、.1 Dimensions of ETD-cores5 3.2 Dimensional limits for coil formers.5 3.3 Pin locations and base outlines .6 3.4 Pin diameter6 4 Marking 6 5 Mounting 6 Annex A (normative) Derived standards.11 Annex B (normative) Example of a standard for gauges to check the dimensions of ETD-cores meeting this prim
14、ary 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 dimensions.12 Figure B.1 Gauge dimensions14 Table 1 Dimensions of ETD-cores7 Table 2 Effec
15、tive parameter and Amin values .7 Table 3 Essential dimensions of coil formers8 Table A.1 Main dimensions 13 Table B.1 Gauge dimensions .14 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=listmgr, listmgr Not for Resal
16、e, 03/06/2007 06:20:49 MSTNo reproduction or networking permitted without license from IHS -,-,- 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 Commissio
17、n (IEC) is a worldwide organization for standardization comprising 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 i
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25、ther damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication
26、. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such pat
27、ent rights. International Standard IEC 61185 has been prepared by IEC technical committee 51: Magnetic components and ferrite materials. This second edition cancels and replaces the first edition published in 1992 and its amendment 1 (1995). The main changes with respect to the previous edition cons
28、ist in combining it with the amendment. The text of this standard is based on the following documents: FDIS Report on voting 51/818FDIS 51/826/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. Copyright Internation
29、al Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=listmgr, listmgr Not for Resale, 03/06/2007 06:20:49 MSTNo reproduction or networking permitted without license from IHS -,-,- 4 61185 IEC:2005(E) This publication has been drafted in accorda
30、nce with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication
31、will be reconfirmed; withdrawn; replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=listmgr, listmgr Not for
32、 Resale, 03/06/2007 06:20:49 MSTNo reproduction or networking permitted without license from IHS -,-,- 61185 IEC:2005(E) 5 FERRITE CORES (ETD-CORES) INTENDED FOR USE IN POWER SUPPLY APPLICATIONS DIMENSIONS 1 Scope This International Standard specifies the dimensions that are of importance for mechan
33、ical interchangeability for ETD-cores made of ferrite, the essential dimensions of coil formers to be used with them, and the effective parameter values to be used in calculations involving them. NOTE 1 Whilst this standard mainly applies to ferrite, its validity for iron powder cores should not be
34、overlooked. NOTE 2 The cores covered by this standard are designed for use in power transformers and chokes operating at high flux density and generally at frequencies higher than those feasible with EC-cores of the same material, due to a core proportioning more suitable for high-frequency applicat
35、ions. They are generally used in pairs. The use of “derived” standards which give more detailed specifications of component parts whilst still permitting compliance with this standard is discussed in Annex A, which also contains an example of a derived standard for coil formers. 2 Normative referenc
36、es The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies. IEC 60205:2001, Calculation of the effective pa
37、rameters of magnetic piece parts 3 Primary standards Compliance with the following requirements ensures mechanical interchangeability of complete assemblies and coil formers. 3.1 Dimensions of ETD-cores 3.1.1 Principal dimensions The principal dimensions of ETD-cores shall be as given in Table 1. NO
38、TE The dimensions of the cores may be checked by means of gauges. By way of example, a possible standard for these gauges is given in Annex B. In order to facilitate production it may be necessary to use gauges having dimensions differing from those given in Annex B, although no relaxation of the re
39、quirements for the dimensions of the cores given in Table 1 is permitted. 3.1.2 Effective parameter and Amin values The effective parameter values of a pair of cores whose dimensions comply with 3.1.1 shall be as given in Table 2. 3.2 Dimensional limits for coil formers The essential dimensions of c
40、oil formers suitable for use with a pair of ETD-cores shall be as given in Table 3. Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=listmgr, listmgr Not for Resale, 03/06/2007 06:20:49 MSTNo reproduction or networking
41、permitted without license from IHS -,-,- 6 61185 IEC:2005(E) 3.3 Pin locations and base outlines These shall be as shown in Figure 3, in which the base is viewed in the mounting direction, i.e. from the upper side of the printed wiring board. NOTE The module, designated as m, shown in the grid plan
42、may be 2,50 mm or 2,54 mm. 3.4 Pin diameter Coil former terminations (pins) shall be accepted by a gauge having 1,2 mm holes on true position. 4 Marking Where a coil former is fitted with termination pins conforming to a 2,50 mm module, it shall be clearly and indelibly marked with the letter m, in
43、such a position that it can readily be seen in the completed component. 5 Mounting According to their sizes and respective weights, it is recommended that two largest cores (ETD 54 and ETD 59) be fixed on the printed board by means of screws located at two opposite sides of their coil formers. Conce
44、rning smaller sizes such as ETD 19 and ETD 24, no mounting assemblies are defined. It is recommended that the two cores be fixed by glue or adhesive tape. E A F B D C IEC 756/05 Figure 1 Dimensions of ETD-cores Copyright International Electrotechnical Commission Provided by IHS under license with IE
45、CLicensee=IHS Employees/1111111001, User=listmgr, listmgr Not for Resale, 03/06/2007 06:20:49 MSTNo reproduction or networking permitted without license from IHS -,-,- 61185 IEC:2005(E) 7 Table 1 Dimensions of ETD-cores A mm B mm C mm D mm E mm F mm Size Min. Max. Min. Max. Min. Max. Min. Max. Min.
46、Max. Min. Max. ETD 19 19,1 20,1 13,5 13,8 7,2 7,6 9,2 9,6 14,4 15,4 7,2 7,6 ETD 24 23,8 25,0 14,3 14,6 8,2 8,8 9,9 10,3 18,0 19,2 8,2 8,8 ETD 29 29,0 30,6 15,6 16,0 9,2 9,8 10,7 11,3 22,0 23,4 9,2 9,8 ETD 34 33,4 35,0 17,1 17,5 10,5 11,1 11,8 12,4 25,6 27,0 10,5 11,1 ETD 39 38,2 40,0 19,6 20,0 12,2
47、12,8 14,2 15,0 29,3 30,9 12,2 12,8 ETD 44 43,0 45,0 22,1 22,5 14,4 15,2 16,1 16,9 32,5 34,1 14,4 15,2 ETD 49 47,6 49,8 24,5 24,9 15,9 16,7 17,7 18,5 36,1 37,9 15,9 16,7 ETD 54 55,8 58,3 27,4 27,8 18,5 19,3 19,8 20,6 40,1 42,3 18,5 19,3 ETD 59 58,4 61,2 30,8 31,2 21,2 22,1 22,0 22,9 43,6 45,8 21,2 22
48、,1 Table 2 Effective parameter and Amin values Size C1 mm1 C2 mm3 le mm Ae mm2 Ve mm3 Amin a) mm2 ETD 19 1,253 9 28,412 103 55,3 44,1 2 440 39,5 ETD 24 1,053 7 17,811 103 62,3 59,2 3 690 55,0 ETD 29 0,927 07 12,139 103 70,8 76,4 5 410 70,9 ETD 34 0,814 49 8,387 9 103 79,1 97,1 7 680 91,6 ETD 39 0,742 00 5,940 1 103 92,7 125 11 600 123 ETD 44 0,599 18 3,4