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    I.S. EN 61797-1:1998

    Current The latest, up-to-date edition.

    TRANSFORMERS AND INDUCTORS FOR USE IN TELECOMMUNICATION AND ELECTRONIC EQUIPMENT - MAIN DIMENSIONS OF COIL FORMERS - PART 1: COIL FORMERS FOR LAMINATED CORES

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-1998

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    FOREWORD
    1 Scope and object
    2 Normative references
    3 Laminations
    4 Coil former designation
      4.1 Standard version (without terminal pins)
      4.2 Printed wiring board mounting version (with terminal pins)
    5 Dimensions
      5.1 General
      5.2 Dimensions corresponding to the core stack height
    6 Dimensions of coil formers for bracket mounting
      6.1 Coil formers, standard version
          6.1.1 Coil formers for YEI 1-types
          6.1.2 Coil formers for YEx 2-types
          6.1.3 Coil formers for YUI 1-types
          6.1.4 Coil formers for YM 1-types
      6.2 Coil formers, standard version with air duct
          6.2.1 Coil formers for YEI 1-types
          6.2.2 Coil formers for YUI 1-types
    7 Dimensions of coil formers for printed wiring board mounting
      and grid plans
      7.1 Level mounting style
          7.1.1 Coil formers for YEI 1-types
          7.1.2 Coil formers for YEx 2-types
          7.1.3 Coil formers for YUI 1-types
          7.1.4 Coil formers for YM 1-types
      7.2 Vertical mounting style
          7.2.1 Coil formers for YEx 2-types
    8 Material of coil formers
    9 Solderability and mechanical strength of terminal pins
    Annex ZA (normative) Normative references to international
             publications with their corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    Specifies the main dimensions of coil formers for transformers and inductors, using a square stack of the laminations inserted in the coil formers.

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

    Development Note For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

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

    HD 323.2.20 : 200S3 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST T - SOLDERING
    IEC 60068-2-20:2008 Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads
    ISO 3:1973 Preferred numbers Series of preferred numbers
    IEC 60707:1999 Flammability of solid non-metallic materials when exposed to flame sources - List of test methods
    ISO 286-1:2010 Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 1: Basis of tolerances, deviations and fits
    HD 441 : 200S1 METHODS OF TEST FOR THE DETERMINATION OF THE FLAMMABILITY OF SOLID ELECTRICAL INSULATING MATERIALS WHEN EXPOSED TO AN IGNITING SOURCE
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