EN 61332-2017 en Soft ferrite material classification.pdf

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1、Soft ferrite material classificationBS EN 61332:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06National forewordThis British Standard is the UK implementation of EN 61332:2017. It is identical to IEC 61332:2016. It supersedes BS EN 61332:2005 which is withdrawn.

2、The UK participation in its preparation was entrusted to TechnicalCommittee EPL/51, Transformers, inductors, magnetic components and ferrite materials.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the

3、 necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2017.Published by BSI Standards Limited 2017ISBN 978 0 580 91120 0ICS 29.100.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standar

4、d was published under the authority of the Standards Policy and Strategy Committee on 28 February 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 61332:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61332 February 2017 ICS 29.100.10 Supersedes EN

5、61332:2005 English Version Soft ferrite material classification (IEC 61332:2016) Classification des matriaux ferrites doux (IEC 61332:2016) Werkstoffeigenschaften von Ferritmaterialien (IEC 61332:2016) This European Standard was approved by CENELEC on 2016-12-23. CENELEC members are bound to comply

6、with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Ma

7、nagement Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has t

8、he same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvi

9、a, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr E

10、lektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 61332:2017 E BS EN 61332:2017EN 61332:2017 2 European foreword The text of document 51/11

11、46/FDIS, future edition 3 of IEC 61332, prepared by IEC/TC 51 “Magnetic components, ferrite and magnetic powder materials“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61332:2017. The following dates are fixed: latest date by which the document has to be implemented a

12、t national level by publication of an identical national standard or by endorsement (dop) 2017-09-23 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2019-12-23 This document supersedes EN 61332:2005. Attention is drawn to the possibility that some

13、 of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 61332:2016 was approved by CENELEC as a European Standard without any m

14、odification. In the official version, for Bibliography, the following note has to be added for the standard indicated : IEC 60401-3:2015 NOTE Harmonized as EN 60401-3:2016 (not modified). BS EN 61332:2017EN 61332:2017 3 Annex ZA (normative) Normative references to international publications with the

15、ir corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (inc

16、luding any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. P

17、ublication Year Title EN/HD Year IEC 60050-221 - International Electrotechnical Vocabulary (IEV) - Chapter 221: Magnetic materials and components - - BS EN 61332:2017 2 IEC 61332:2016 IEC 2016 CONTENTS FOREWORD . 3 1 Scope 5 2 Normative references . 5 3 Terms and definitions. 5 4 Classification . 5

18、4.1 Material classification 5 4.2 Main classes . 6 4.3 Subclasses . 6 5 Soft ferrite material classes 6 5.1 Materials used as impedances in interference suppression applications (IS class) 6 5.2 Materials used mainly in low flux density applications (B 5 mT) (SP class) . 7 5.3 Materials used mainly

19、in high flux density applications (PW class) . 8 Bibliography 10 Table 1 IS class ferrite materials 7 Table 2 SP class ferrite materials . 8 Table 3 PW class ferrite materials 9 BS EN 61332:2017IEC 61332:2016 IEC 2016 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ SOFT FERRITE MATERIAL CLASSIFICATION

20、 FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in th

21、e electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted

22、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 Internationa

23、l 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 te

24、chnical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Pu

25、blications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their n

26、ational and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment

27、services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees,

28、servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publi

29、cation, 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. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibi

30、lity 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 patent rights. International Standard IEC 61332 has been prepared IEC technical committee 51: Magnetic components, ferrite and magnetic powder

31、 materials. This third edition cancels and replaces the second edition published in 2005. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) deleted “c“ rank from subclass from Table 3, because of

32、too large power loss density; b) added “a-wide“ rank in subclasses PW3, PW4 and PW5 in Table 3; c) changed “B“ of PW3 class from 100 mT to 200 mT; “B f“ and “power loss density“ have also been changed; d) changed “B“ of PW4 class from 50 mT to 100 mT; “B f“ and “power loss density“ have also been ch

33、anged. BS EN 61332:2017 4 IEC 61332:2016 IEC 2016 The text of this standard is based on the following documents: FDIS Report on voting 51/1146/FDIS 51/1155/RVD Full information on the voting for the approval of this International Standard can be found in the report on voting indicated in the above t

34、able. This document has been drafted in accordance with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this document will remain unchanged until the stability date indicated on the IEC website under “http:/webstore.iec.ch“ in the data related to the specific document.

35、 At this date, the document will be reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. BS EN 61332:2017IEC 61332:2016 IEC 2016 5 SOFT FERRITE MATERIAL CLASSIFICATION 1 Scope This document specifies classification

36、rules for soft ferrite materials used in inductive components (inductors and transformers) fulfilling the requirements of the electronic industries. This document addresses the following issues for ferrite suppliers and users: cross-reference between materials from multiple suppliers; assistance to

37、customers in understanding the published technical data in catalogues when comparing multiple suppliers; guidance to customers in selecting the most applicable material for each application; setting of nomenclature for IEC standards relating to ferrite; establishing uniform benchmarks for suppliers

38、for performance in new development of materials. The numerical values given in this document are typical values of the parameters (properties) of the related materials. Direct translation from the material specification into the core specification is not always easy or possible. Every detailed mater

39、ial and core specification should be agreed upon between the user and the manufacturer. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited a

40、pplies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60050-221, International Electrotechnical Vocabulary Chapter 221: Magnetic materials and components 3 Terms and definitions For the purposes of this document, the terms and definitio

41、ns given in IEC 60050-221 apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at http:/www.electropedia.org/ ISO Online browsing platform: available at http:/www.iso.org/obp 4 Classification 4.1 Material classificati

42、on Soft ferrite materials may be classified according to the following basic parameters: BS EN 61332:2017 6 IEC 61332:2016 IEC 2016 initial permeability and relevant operation frequency and/or applicable maximum frequency; initial permeability as a function of the temperature; applicable maximum flu

43、x density and/or amplitude permeability; power loss at a given frequency, temperature and flux density; normalized impedance at a given frequency. 4.2 Main classes Soft ferrite materials may be divided into three main classes identified by two letters as follows: class IS materials are for use at AC

44、 low flux density as impedances in interference suppression (EMI) applications; class SP materials are for use at low flux density in signal processing applications; class PW materials are for use at high flux density (power application). 4.3 Subclasses Each main class is divided into subclasses ide

45、ntified by two letters and a serial number. Ferrite manufacturers catalogues may indicate more than one class into which a material grade can fall, where desired. 5 Soft ferrite material classes 5.1 Materials used as impedances in interference suppression applications (IS class) These materials are

46、mainly used in the shape of rods, tubes, beads, wide band chokes, bobbin cores and rings. The relevant subclasses are given in Table 1. BS EN 61332:2017IEC 61332:2016 IEC 2016 7 Table 1 IS class ferrite materials Subclasses FrequencyaNormalized impedancebInitial permeabilitycCurie temperature ZNiTCM

47、Hz /mm C IS1 300 50 300 IS2a IS2b 300 50 40 100 to 2 000 200 to 300 IS3a IS3b 100 40 30 100 to 2 000 100 to 250 IS4a IS4b 30 30 20 100 to 2 000 100 to 250 IS5a IS5b 10 30 20 2 000 to 6 000 100 to 250 IS6a IS6b 3 30 20 2 000 to 6 000 100 to 150 IS7a IS7b 1 20 10 2 000 to 6 000 100 to 150 IS8a IS8b 1

48、20 10 6 000 to 10 000 100 to 150 IS9a IS9b 0,5 10 5 10 000 to 15 000 100 aThe frequency is the measuring frequency of the normalized impedance. bMeasured on a bead 5 mm 2 mm 10 mm and at a temperature of 25 C. ciis measured at 10 kHz, 0,5 mT. iis for reference only, indicating typical values seen. i

49、is not a fundamental parameter for class IS materials. 5.2 Materials used mainly in low flux density applications (B 5 mT) (SP class) These materials are mainly used in the shape of ring-cores, pot-cores, EP-cores, RM-cores and E-cores. The relevant subclasses are given in Table 2. BS EN 61332:2017 8 IEC 61332:2016 IEC 2016 Table 2 SP class ferrite materials Subclasses Initial permeabilityaRelative lo