Classification of magnetic powder cores

IEC 63299:2022 specifies classification rules for metallic magnetic powder cores used in inductive components fulfilling the requirements of the electronics industries. This document addresses the following objectives for magnetic powder cores suppliers and users: - cross-reference between core materials from multiple suppliers; - assistance to users in understanding the published technical data in catalogues when comparing multiple suppliers; - guidance to users in selecting the most applicable core for each application; - establishing uniform benchmarks for suppliers for performance in the new development of core material.

Klassifizierung magnetischer Pulverkerne

Classification des noyaux en poudre magnétique

L'IEC 63299:2022 spécifie les règles de classification des noyaux en poudre magnétique métallique utilisés dans les composants inductifs qui satisfont aux exigences de l'industrie électronique. Le présent document répond aux objectifs suivants pour les fournisseurs et les utilisateurs de noyaux en poudre magnétique: - établir une référence croisée entre les noyaux de plusieurs fournisseurs; - fournir un appui aux utilisateurs afin de les aider à comprendre les données techniques publiées dans les catalogues lors de la comparaison de plusieurs fournisseurs; - fournir des recommandations aux utilisateurs concernant le choix du noyau le plus approprié pour chaque application; - établir des références uniformes pour les fournisseurs en ce qui concerne les performances dans le cadre du développement de nouveaux noyaux.

Klasifikacija jeder iz magnetnega prahu

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SLOVENSKI STANDARD
oSIST prEN IEC 63299:2022
01-april-2022
Klasifikacija jeder iz magnetnega prahu
Classification of magnetic powder cores
Ta slovenski standard je istoveten z: prEN IEC 63299:2022
ICS:
29.030 Magnetni materiali Magnetic materials
29.100.10 Magnetne komponente Magnetic components
oSIST prEN IEC 63299:2022 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN IEC 63299:2022
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oSIST prEN IEC 63299:2022
51/1403/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 63299 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2022-01-28 2022-04-22
SUPERSEDES DOCUMENTS:
51/1376/CD, 51/1387/CC
IEC TC 51 : MAGNETIC COMPONENTS, FERRITE AND MAGNETIC POWDER MATERIALS
SECRETARIAT: SECRETARY:
Japan Mr Takeshi Abe
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:
TC 68
Other TC/SCs are requested to indicate their interest, if any,
in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY

SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING

Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft for
Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.

This document is still under study and subject to change. It should not be used for reference purposes.

Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which they

are aware and to provide supporting documentation.
TITLE:
Classification of magnetic powder cores
PROPOSED STABILITY DATE: 2027
NOTE FROM TC/SC OFFICERS:

Copyright © 2021 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to download this

electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.

You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without

permission in writing from IEC.
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oSIST prEN IEC 63299:2022
IEC CDV 63299 © IEC 2022 - 2 - 51/1403/CDV
2 CONTENTS

3 FOREWORD ........................................................................................................................... 3

4 1 Scope .............................................................................................................................. 5

5 2 Normative references ...................................................................................................... 5

6 3 Terms and definitions ...................................................................................................... 5

7 4 Classification ................................................................................................................... 5

8 4.1 General ................................................................................................................... 5

9 4.2 Iron powder core materials ...................................................................................... 6

10 4.2.1 Chemical composition ...................................................................................... 6

11 4.2.2 Characteristics ................................................................................................ 6

12 4.3 Iron-silicon powder core materiasl ........................................................................... 6

13 4.3.1 Chemical composition ...................................................................................... 6

14 4.3.2 Characteristics ................................................................................................ 7

15 4.4 Iron-silicon-aluminum powder core materials .......................................................... 7

16 4.4.1 Chemical composition ...................................................................................... 7

17 4.4.2 Characteristics ................................................................................................ 7

18 4.5 Iron-nickel powder core materials ........................................................................... 8

19 4.5.1 Chemical composition ...................................................................................... 8

20 4.5.2 Characteristics ................................................................................................ 8

21 4.6 Iron-nickel-molybdenum powder core materials ....................................................... 9

22 4.6.1 Chemical composition ...................................................................................... 9

23 4.6.2 Characteristics ................................................................................................ 9

24 4.7 Iron-based amorphous powder core materials ....................................................... 10

25 4.7.1 Chemical composition .................................................................................... 10

26 4.7.2 Characteristics .............................................................................................. 10

27 4.8 Iron-based nanocrystalline powder core materials ................................................. 11

28 4.8.1 Chemical composition .................................................................................... 11

29 4.8.2 Characteristics .............................................................................................. 11

30 Table 1 – Typical magnetic properties of iron powder core materials....................................... 6

31 Table 2 – Typical magnetic properties of iron-silicon powder core materials............................ 7

32 Table 3 – Typical magnetic properties of iron-silicon-aluminum powder core materials ........... 8

33 Table 4 – Typical magnetic properties of iron-nickel powder core materials ............................ 9

34 Table 5 – Typical magnetic properties of iron-nickel-molybdenum powder core

35 materials ............................................................................................................................... 10

36 Table 6 – Typical magnetic properties of iron-based amorphous powder core materials ........ 11

37 Table 7 – Typical magnetic properties of iron-based nanocrystalline powder core

38 materials ............................................................................................................................... 11

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oSIST prEN IEC 63299:2022
51/1403/CDV - 3 - IEC CDV 63299 © IEC 2022
40 INTERNATIONAL ELECTROTECHNICAL COMMISSION
41 ___________
42 CLASSIFICATION OF MAGNETIC POWDER CORES
43 FOREWORD

44 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

45 all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

46 international co-operation on all questions concerning standardization in the electrical and electronic fields. To

47 this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

48 Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC

49 Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested

50 in the subject dealt with may participate in this preparatory work. International, governmental and non-

51 governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely

52 with the International Organization for Standardization (ISO) in accordance with conditions determined by

53 agreement between the two organizations.

54 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

55 consensus of opinion on the relevant subjects since each technical committee has representation from all

56 interested IEC National Committees.

57 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

58 Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

59 Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

60 misinterpretation by any end user.

61 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

62 transparently to the maximum extent possible in their national and regional publications. Any divergence

63 between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in

64 the latter.

65 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

66 assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

67 services carried out by independent certification bodies.

68 6) All users should ensure that they have the latest edition of this publication.

69 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

70 members of its technical committees and IEC National Committees for any personal injury, property damage or

71 other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

72 expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

73 Publications.

74 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

75 indispensable for the correct application of this publication.

76 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

77 patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

78 IEC 63299 has been prepared by IEC technical committee 51: Magnetic components, ferrite

79 and magnetic powder materials. It is an international standard.
80 The text of this International Standard is based on the following documents:
FDIS Report on voting
XX/XX/FDIS XX/XX/RVD

81 Full information on the voting for the approval of this International Standard can be found in

82 the report on voting indicated in the above table.

83 The language used for the development of this International Standard is English.

84 This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in

85 accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement,

86 available at www.iec.ch/members_experts/refdocs. The main document types developed by

87 IEC are described in greater detail at http://www.iec.ch/standardsdev/publications.

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oSIST prEN IEC 63299:2022
IEC CDV 63299 © IEC 2021 - 4 - 51/1403/CDV

88 The committee has decided that the contents of this document will remain unchanged until the

89 stability date indicated on the IEC website under webstore.iec.ch in the data related to the

90 specific document. At this date, the document will be
91 • reconfirmed,
92 • withdrawn,
93 • replaced by a revised edition, or
94 • amended.
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oSIST prEN IEC 63299:2022
51/1403/CDV - 5 - IEC CDV 63299 © IEC 2022
95 CLASSIFICATION OF MAGNETIC POWDER CORES
96 1 Scope

97 This International Standard specifies classification rules for metallic magnetic powder cores

98 used in inductive components fulfilling the requirements of the electronics industries.

99 This standard addresses the following purposes for magnetic powder cores suppliers and

100 users:
101 – cross-reference between core materials from multiple suppliers;

102 – assistance to users in understanding the published technical data in catalogues when

103 comparing multiple suppliers;

104 – guidance to users in selecting the most applicable core for each application;

105 – establishing uniform benchmarks for suppliers for performance in new development of

106 core material.

107 The numerical values given in this standard are typical values of parameters of the related

108 material. Direct translation from the material specification into the core specification is not

109 always easy or possible.

110 Every detailed material and core specification should be agreed upon between the user and

111 the supplier.
112 2 Normative references

113 The following referenced documents are indispensable for the application of this document.

114 For dated references, only the edition cited applies. For undated references, the latest edition

115 of the referenced document (including any amendments) applies.

116 IEC 60050-221, International Electrotechnical Vocabulary (IEV) – Chapter 221: Magnetic

117 materials and components
118 IEC 60404-1, Magnetic materials – Part 1: Classification

119 IEC 63300, Test methods for electrical and magnetic properties of magnetic powder cores

120 3 Terms and definitions

121 For the purpose of this document, the terms and definitions given in IEC 60050-221, IEC

122 60404-1 and IEC 63300.

123 ISO and IEC maintain terminological databases for use in standardization at the following

124 addresses:
125 • IEC Electropedia: available at http://www.electropedia.org/
126 • ISO Online browsing platform: available at http://www.iso.org/obp
127 4 Classification
128 4.1 General

129 Magnetic powder cores consist of a basic metallic soft magnetic powder and inorganic or

130 organic electrically insulating additives and binders. The
...

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