• EN 125000:1997

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Generic Specification: Cores made of ferrite materials

    Available format(s): 

    Withdrawn date:  18-04-2014

    Language(s): 

    Published date:  15-12-1997

    Publisher:  European Committee for Standards - Electrical

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

    1 GENERAL
      1.1 Scope
      1.2 Normative references
      1.3 Units, symbols and terminology
          1.3.1 Multiples and submultiples of units
          1.3.2 Letter symbols
          1.3.3 Definitions
          1.3.4 List of parameters useful for core characterization
      1.4 Standard and preferred values
          1.4.1 Dimensions of cores
          1.4.2 Nominal value of inductance factor A[L]
      1.5 Marking of cores and packaging
      1.6 Subcontracting
      1.7 Validity of release
    2 QUALITY ASSESSMENT PROCEDURES
      2.1 Qualification approval
          2.1.1 Primary stage of manufacture
          2.1.2 Qualification approval procedures
          2.1.3 Quality conformance inspection requirements
                2.1.3.1 Delayed delivery
                2.1.3.2 Certified test records
      2.2 Capability Approval
          2.2.1 General
                2.2.1.1 Eligibility for Capability Approval
                2.2.1.2 Primary stage of manufacture
                2.2.1.3 Subcontracting
                2.2.1.4 Incorporated components
                2.2.1.5 Validity of release
                2.2.1.6 Rework
          2.2.2 Procedures for capability approval
                2.2.2.1 Application for capability approval
                        approval
                2.2.2.2 Granting of capability approval
                2.2.2.3 Description of capability
                2.2.2.4 Capability Qualifying Components (CQCs)
                        2.2.2.4.1 Process description
                        2.2.2.4.2 Selection of CQCs vs process
                                   steps
                2.2.2.5 Demonstration and verification of capability
                2.2.2.6 Procedures to be followed in the event
                        of CQC failures
                2.2.2.7 Abstract of description of capability
          2.2.3 Procedures following the granting of Capability
                Approval
                2.2.3.1 Maintenance of capability approval
                2.2.3.2 Modifications likely to affect the
                        validity of capability approval
          2.2.4 Release for delivery
    3 TEST AND MEASUREMENT PROCEDURES (General guidance)

    Abstract - (Show below) - (Hide below)

    Applies to cores made from ferrite materials for use in a wide range of inductive components needed by many applications in almost all industries. Defines standard terms, inspection and test procedures for sectional and detail specifications within the CECC System for electronic components.

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

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

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

    IEC 61246:1994+AMD1:2002 CSV Magnetic oxide cores (E-cores) of rectangular cross-section and associated parts - Dimensions
    IEC 60723-1:1982 Inductor and transformer cores for telecommunications. Part 1: Generic specification
    IEC 60431:1983 Dimensions of square cores (RM-cores) made of magnetic oxides and associated parts
    IEC 60133:2000 Dimensions of pot-cores made of magnetic oxides and associated parts
    IEC 60367-1:1982 Cores for inductors and transformers for telecommunications. Part 1: Measuring methods
    IEC 60492:1974 Measuring methods for aerial rods
    IEC 60732:1982 Measuring methods for cylinder cores, tube cores and screw cores of magnetic oxides
    IEC 60647:1979 Dimensions for magnetic oxide cores intended for use in power supplies (EC-cores)
    IEC 61596:1995 Magnetic oxide EP-cores and associated parts for use in inductors and transformers - Dimensions
    IEC 60205:2016 Calculation of the effective parameters of magnetic piece parts
    ISO 2859-2:1985 Sampling procedures for inspection by attributes — Part 2: Sampling plans indexed by limiting quality (LQ) for isolated lot inspection
    IEC 60424:1973 Guide to the specification of limits for physical imperfections of parts made from magnetic oxides
    IEC 60367-2A:1976 Cores for inductors and transformers for telecommunications - Part 2: Guides for the drafting of performance specifications - First supplement
    IEC 61332:2016 Soft ferrite material classification
    CECC 00114 : 93 AMD 1 QUALITY ASSESSMENT PROCEDURES - APPROVAL OF MANUFACTURERS AND OTHER ORGANIZATIONS
    IEC 60410:1973 Sampling plans and procedures for inspection by attributes
    IEC 61247:1995 PM-cores made of magnetic oxides and associated parts - Dimensions
    IEC 60556:2006+AMD1:2016 CSV Gyromagnetic materials intended for application at microwavefrequencies - Measuring methods for properties
    EN 125500:1996 Sectional Specification: Magnetic oxide ring cores for interference suppression and low level signal transformer applications
    CECC 00111 : 80 AMD 3 CECC RULES OF PROCEDURE: RP 11: SPECIFICATIONS AND THEIR HARMONIZATION - COMPONENTS FOR GENERAL AND PROFESSIONAL USAGE - COMPONENTS OF ENHANCED ASSESSMENT OF QUALITY
    CECC 00200 : 2002 REGISTER OF FIRMS, PRODUCTS AND SERVICES APPROVED UNDER CECC CERTIFICATION SYSTEM FOR ELECTRONIC COMPONENTS
    ISO 9000:2015 Quality management systems — Fundamentals and vocabulary
    ISO 497:1973 Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers
    IEC 60401:1993 Ferrite materials - Guide on the format of data appearing in manufacturers' catalogues of transformer and inductor cores
    IEC 61333:1996 Marking on U and E ferrite cores
    IEC 61185:2005 Ferrite cores (ETD-cores) intended for use in power supply applications - Dimensions
    IEC 60701:1981 Axial lead cores made of magnetic oxides or iron powder
    CECC 00400 : 86 ERRATUM 92 HANDBOOK FOR THE PRODUCTION OF CECC DOCUMENTS
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