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  • IEC 61797-1:1996

    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, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English - French, Spanish, Castilian

    Published date:  17-10-1996

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    Clause
    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

    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)

    Committee TC 51
    Development Note Also numbered as BS EN 61797-1. (09/2005) Stability Date: 2020. (09/2017)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current

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

    I.S. EN 60740-1:2005 LAMINATIONS FOR TRANSFORMERS AND INDUCTORS - PART 1: MECHANICAL AND ELECTRICAL CHARACTERISTICS
    EN 60740-1:2005 Laminations for transformers and inductors - Part 1: Mechanical and electrical characteristics
    04/30112654 DC : 0 IEC 60740-1 ED.1 - LAMINATIONS FOR TRANSFORMERS AND INDUCTORS - PART 1: MECHANICAL AND ELECTRICAL CHARACTERISTICS
    IEC 60740-1:2005 Laminations for transformers and inductors - Part 1: Mechanical and electrical characteristics
    BS EN 60740-1:2005 Laminations for transformers and inductors Mechanical and electrical characteristics

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

    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
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