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  • BS EN 61247:1997

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    PM-cores made of magnetic oxides and associated parts. Dimensions

    Available format(s):  Hardcopy, PDF

    Superseded date:  04-08-2022

    Language(s):  English

    Published date:  15-08-1997

    Publisher:  British Standards Institution

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

    1 Scope and object
    2 Normative references
    3 Conversion system
    4 Primary standards
        4.1 Dimensions of PM-cores
        4.2 Dimensions of coil formers
        4.3 Pin locations and base outlines
        4.4 Pin diameter
    5 Mounting hardware
    Annexes
    A Derived standards
    B Example of a gauge to check the coil former space
        dimensions of PM-cores meeting the IEC primary standard
    C Recommended main dimensions for mounting hardware
    ZA (normative) Normative references to international
        publications with their corresponding European
        publications

    Abstract - (Show below) - (Hide below)

    Defines dimensions important for mechanical interchangeability, for a preferred range of PM-cores made from magnetic oxides, where the main dimensions for coil formers are to be used with the these cores and the locations of their pins on a modular printed wiring grid relative to the base outlines of cores.

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

    Committee EPL/51
    Development Note Also numbered as IEC 61247 Supersedes 88/27157 DC (11/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    IEC 60250:1969 Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths
    IEC 60367-1:1982 Cores for inductors and transformers for telecommunications. Part 1: Measuring methods
    ISO 370:1975 Toleranced dimensions Conversion from inches into millimetres and vice versa
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