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1、BRITISH STANDARD BS EN 61332:1997 IEC 61332:1995 Soft ferrite material classification The European Standard EN 61332:1997 has the status of a British Standard ICS 29.030 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:29:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61332:1997 This B
2、ritish Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 15 December 1997 BSI 04-2000 ISBN 0 580 28428 X National foreword This British Standard is the English language version EN
3、 61332:1997. It is identical with IEC 61332:1995. The UK participation in its preparation was entrusted to Technical Committee EPL/51, Transformers, inductors, magnetic components and ferrite materials, which has the responsibility to: aid enquirers to understand the text; present to the responsible
4、 international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request
5、to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both sys
6、tems. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement these international or European publicat
7、ions may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of B
8、ritish Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 6 and a back cove
9、r. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:29:09 GMT+00:00
10、 2006, Uncontrolled Copy, (c) BSI BS EN 61332:1997 BSI 04-2000i Contents Page National forewordInside front cover Foreword2 Text of EN 613323 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:29:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: sheffieldun sheffieldun, na
11、, Thu Nov 09 15:29:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61332 September 1997 ICS 29.030 Descriptors: Soft ferrite material, classification, main classes, subclasses English version Soft ferrite material classification (IEC 61332:1995) Cla
12、ssification des matriaux ferrites doux (CEI 61332:1995) Werkstoffeigenschaften von Ferriten (IEC 61332:1995) This European Standard was approved by CENELEC on 1997-07-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Euro
13、pean 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 Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (Eng
14、lish, 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 Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria,
15、 Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee
16、fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1997 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61332:1997 E Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:29:09 GMT+00:00 2006,
17、Uncontrolled Copy, (c) BSI EN 61332:1997 2 BSI 04-2000 Foreword The text of the International Standard IEC 61332:1995, prepared by IEC TC 51, Magnetic components and ferrite materials, was submitted to the formal vote and was approved by CENELEC as EN 61332 on 1997-07-01 without any modification. Th
18、e following dates were fixed: Endorsement notice The text of the International Standard IEC 61332:1995 was approved by CENELEC as a European Standard without any modification. Contents Page Foreword2 1Scope3 2Normative references3 3Classification3 3.1Material classification3 3.2Main classes3 3.3Subc
19、lasses3 4Soft ferrite material classes3 4.1Materials used mainly in open magnetic circuits, OP class3 4.2Materials used mainly in closed magnetic circuits at low flux density application(s) (B k 5 mT), CL class4 4.3Materials used mainly in closed magnetic circuits at high flux density application(s)
20、, PW class5 Annex ZA (normative) Normative references to international publications with their corresponding European publications6 Table 1 OP class ferrite materials3 Table 2 CL class ferrite materials4 Table 3 PW class ferrite materials5 latest date by which the EN has to be implemented at nationa
21、l level by publication of an identical national standard or by endorsement(dop) 1998-06-01 latest date by which the national standards conflicting with the EN have to be withdrawn(dow) 1998-06-01 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:29:09 GMT+00:00 2006, Uncontrolled Copy, (c) B
22、SI EN 61332:1997 BSI 04-20003 1 Scope This International Standard specifies classification rules of soft ferrite materials used in inductive components (inductors and transformers) fulfilling the requirements of the electronic industries. This standard should be considered as a guidance for the desi
23、gners of inductive components, allowing them to make a primary selection of ferrite material. The numerical values given in this standard are typical values of parameters (properties) of the related materials. A direct translation from the material specification into the core specification is not al
24、ways easy nor possible. Every detailed material and core specification should be agreed between the user and the manufacturer. The definitions of the terms in Table 1, Table 2 and Table 3 are based on IEC 50(221) and IEC 401. 2 Normative references The following normative documents contain provision
25、s which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All normative documents are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate
26、the possibility of applying the most recent editions of the normative documents indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. IEC 50(221):1990, International Electrotechnical Vocabulary (IEV) Chapter 221: Magnetic materials and components. IEC
27、 401:1993, Ferrite materials Guide on the format of data appearing in manufacturers catalogues of transformer and inductor cores. 3 Classification 3.1 Material classification Soft ferrite materials may be classified by following basic parameters: initial permeability and the relevant operating frequ
28、ency and/or applicable maximum frequency; initial permeability as a function of the temperature; applicable maximum flux density and/or amplitude permeability; power loss at a given frequency, temperature and flux density. 3.2 Main classes Soft ferrite materials may be divided into three main classe
29、s identified by two letters as follows: class OP materials are for use at low flux density in open magnetic circuits; class CL materials are for use at low flux density in closed magnetic circuits; class PW materials are for use at high flux density (power application). 3.3 Subclasses Each main clas
30、s is divided into subclasses identified by two letters and a serial number. 4 Soft ferrite material classes 4.1 Materials used mainly in open magnetic circuits, OP class These materials are mainly used in the shape of rods, tubes, pins, screw and bobbin cores. The relevant subclasses are given in Ta
31、ble 1. Table 1 OP class ferrite materials Subclasses Initial permeabilitya 4i Temperature factor (25 to 55) C !F Relative loss factor tan $/4i Frequency Curie point Fc ppm/CppmMHzC OP1 300 OP220 500 50150 25010200 450 OP350 1005 40100 13010200 400 OP4100 3005 3030 1001200 300 OP5300 40035 4025 700,1
32、100 150 OP6300 5000 1515 300,1150 300 OP7500 80010 2010 300,1120 200 OP8800 1 0001 610 300,1100 150 OP91 000 1 5002 105 200,1100 200 a 4 i is the initial permeability at 25 C. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:29:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 61332:1997 4 B
33、SI 04-2000 4.2 Materials used mainly in closed magnetic circuits at low flux density application(s) (B kk 5 mT), CL class These materials are mainly used in the shape of ring cores, pot cores, EP cores, RM and E cores. The relevant subclasses are given in Table 2. Table 2 CL class ferrite materials
34、Subclasses Initial permeabilitya 4i Temperature factor (25 to 55) C !F Relative loss factor tan $/4i Frequency Curie point Fc ppm/CppmMHzC CL1 150 CL82 500 3 5000 62 100,1140 220 CL93 500 6 0000 32 250,01120 180 CL106 000 8 0000 310 200,01120 150 CL118 000 12 0000 310 200,01100 130 CL1212 000 16 000
35、0 410 400,0190 120 a 4i is the initial permeability at 25 C. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:29:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 61332:1997 BSI 04-20005 4.3 Materials used mainly in closed magnetic circuits at high flux density application(s), PW class These
36、 materials are mainly used in the shape of RM, ETD, EC and E cores. The relevant subclasses are given in Table 3. Table 3 PW class ferrite materials Subclasses fmax1)fB2)4a3) Performance factor (B f) Power loss4)4i5) kHzkHzmTmT kHzkW/m3 PW1a10015300 2 5004 500 (300 15) k3002 000 PW1bk200 PW2a2002520
37、0 2 5005 000 (200 25) k3002 000 PW2bk150 PW3a300100100 3 00010 000 (100 100) k3002 000 PW3bk150 PW4a1 00030050 2 00015 000 (50 300) k3001 500 PW4bk150 PW5a3 0001 00025 1 00025 000 (25 1 000) k300800 PW5bk150 NOTES 1) fmax is the applicable maximum frequency relevant to a given material subclass. 2)
38、B is the applicable flux density relevant to a given material subclass. 3) 4a is the amplitude permeability at 100 C, B and f in Table 3. 4) Power loss should be measured at 100 C, B and f in Table 3. 5) 4i is the initial permeability at 25 C. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 1
39、5:29:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 61332:1997 6 BSI 04-2000 Annex ZA (normative) Normative references to international publications with their corresponding European publications This European Standard incorporates by dated or undated reference, provisions from other publications.
40、 These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For u
41、ndated references the latest edition of the publication referred to applies (including amendments). NOTEWhen an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. PublicationYearTitleEN/HDYear IEC 60050(221)1990International Electrote
42、chnical Vocabulary (IEV) Chapter 221: Magnetic materials and components IEC 604011993Ferrite materials Guide on the format of data appearing in manufacturers catalogues of transformer and inductor cores Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:29:09 GMT+00:00 2006, Uncontrolled Copy
43、, (c) BSI blank Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:29:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61332:1997 IEC 61332:1995 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British
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