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  • EN 60424-3:2016

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Ferrite cores - Guidelines on the limits of surface irregularities - Part 3: ETD-cores, EER-cores, EC-cores and E-cores

    Available format(s): 

    Superseded date:  10-04-2019

    Language(s): 

    Published date:  19-02-2016

    Publisher:  European Committee for Standards - Electrical

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Limits of surface irregularities
    Annex ZA (normative) - Normative references to
             international publications with their
             corresponding European publications

    Abstract - (Show below) - (Hide below)

    IEC 60424-3:2015 gives guidelines on allowable limits of surface irregularities applicable to ETD-cores, EER-cores, EC-cores and E-cores in accordance with the relevant general specification. This standard is a specification useful in the negotiations between ferrite core manufacturers and customers about surface irregularities. This edition includes the following significant technical changes with respect to the previous edition:a) addition of allowable areas of chips for EC-cores in Table 3,b) addition of crystallites in 4.5 and pores in 4.6.

    General Product Information - (Show below) - (Hide below)

    Committee CLC/SR 51
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    EN 60401-3:2016 Terms and nomenclature for cores made of magnetically soft ferrites - Part 3: Guidelines on the format of data appearing in manufacturers catalogues of transformer and inductor cores
    BS EN 60401-1:2005 Terms and nomenclature for cores made of magnetically soft ferrites Terms used for physical irregularities
    BS EN 60424-2:1998 Guidance of the limits of surface irregularities of ferrite cores RM-cores
    BS EN 60401-3:2016 Terms and nomenclature for cores made of magnetically soft ferrites Guidelines on the format of data appearing in manufacturers catalogues of transformer and inductor cores
    BS EN 60424-1:2016 Ferrite cores. Guidelines on the limits of surface irregularities General specification
    EN 60424-1:2016 Ferrite cores - Guidelines on the limits of surface irregularities - Part 1: General specification
    EN 60401-1:2005 Terms and nomenclature for cores made of magnetically soft ferrites - Part 1: Terms used for physical irregularities
    EN 60424-2:2016 Ferrite cores - Guidelines on the limits of surface irregularities - Part 2: RM-cores

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 62317-7:2005 Ferrite cores - Dimensions - Part 7: EER-cores
    EN 62317-8 : 2006 FERRITE CORES - DIMENSIONS - PART 8: E-CORES
    EN 61185:2005 Ferrite cores (ETD-cores) intended for use in power supply applications - Dimensions
    IEC 60424-1:2015 Ferrite cores - Guidelines on the limits of surface irregularities - Part 1: General specification
    IEC 60647:1979 Dimensions for magnetic oxide cores intended for use in power supplies (EC-cores)
    EN 62317-7:2005 Ferrite cores - Dimensions - Part 7: EER-cores
    IEC 61185:2005 Ferrite cores (ETD-cores) intended for use in power supply applications - Dimensions
    EN 60424-1:2016 Ferrite cores - Guidelines on the limits of surface irregularities - Part 1: General specification
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