• IEC 60367-1:1982

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Cores for inductors and transformers for telecommunications. Part 1: Measuring methods

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  07-03-2005

    Language(s): 

    Published date:  01-01-1982

    Publisher:  International Electrotechnical Committee

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

    Foreword
    Preface
    Section One - General
    1. Scope
    2. Object
    3. Environmental conditions
    4. General precautions for methods involving permeability
        measurements
    5. General precautions for loss measurement at low flux density
    6. Magnetic conditioning
    7. Inductance measurement
    Section Two - Common Measuring Methods
    8. Disaccommodation
    9. Variation of permeability with temperature
    10. Range of inductance adjustment
    11. Losses
    Section Three - Specialized Measuring Methods
    12. Third harmonic distortion
    13. Magnetic shock sensitivity
    14. Contribution of the adjusting device to the core instability
    15. Influence of a static magnetic field
    16. Magnetic properties under pulse conditions
    17. (Effective) Amplitude permeability
    Appendices A - Apparatus for magnetic conditioning with capacitor
                   discharge
               B - Power amplifier for magnetic conditioning
               C - Apparatus for magnetic conditioning based on the
                   alternating field method
               D - Thermal method for magnetic conditioning
               E - Guide for the design of inductance measuring coils
                   for newly developed types of cores
               F - Methods of expressing temperature dependence
               G - Damped oscillation method for loss measurement
                   calibration
               H - Transmission method for loss measurement calibration
               J - Examples of circuits for measuring total core loss
               K - Example of a circuit for measuring third harmonic
                   distortion (low impedance method)
               L - Methods of inductance measurement in the presence
                   of a static magnetic field
               M - Examples of circuits for pulse measurements
               N - Examples of circuits for measuring (effective)
                   amplitude permeability

    Abstract - (Show below) - (Hide below)

    Applies to magnetic cores, mainly made of magnetic oxides or metallic powders, used in inductors and transformers for telecommunication equipment and electronic devices employing similar techniques. Gives guidance for the drafting of those parts of specifications for magnetic cores that are concerned with measuring methods for magnetic and electric core properties.

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

    Development Note Also numbered as BS 5938-1(1984) (09/2005)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By
    Supersedes

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

    BS 9925-0:1984 Harmonized system of quality assessment for electronic components. Inductor and transformer cores for telecommunications Generic specification
    BS EN 125100:1993 Harmonized system of quality assessment for electronic components: sectional specification: magnetic oxide cores for inductor applications
    I.S. EN 61248-4:1998 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT - PART 4: SECTIONAL SPECIFICATION FOR POWER TRANSFORMERS FOR SWITCHED MODE POWER SUPPLIES (SMPS) ON THE BASIS OF THE CAPABILITY APPROVAL PROCEDURE
    IEC 60723-5-1:1993 Inductor and transformer cores for telecommunications - Part 5: Sectional specification: Adjusters used with magnetic oxide cores for use in adjustable inductors and transformers - Section 1: Blank detail specification. Assessment level A
    I.S. EN 61248-1:1998 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT - PART 1: GENERIC SPECIFICATION
    EN 125000:1997 Generic Specification: Cores made of ferrite materials
    EN 61247:1997 PM-cores made of magnetic oxides and associated parts - Dimensions
    EN 61248-4:1997 Transformers and inductors for use in electronic and telecommunication equipment - Part 4: Sectional specification for power transformers for switched mode power supplies (SMPS) on the basis of the capability approval procedure
    BS CECC 25000:1977 Specification for harmonized system of quality assessment for electronic components: generic specification: inductor and transformer cores for telecommunications
    I.S. EN 125000:1999 CORES MADE FROM FERRITE MATERIALS (GENERIC SPECIFICATION)
    IEC PAS 62323:2002 Dimensions of half pot cores made of magnetic oxides for inductive proximity switches
    IEC 60723-4-1:1987 Inductor and transformer cores for telecommunications. Part 4: Blank detail specification: Magnetic oxide cores for transformers and chokes for power applications. Assessment level A
    I.S. EN 61007:1998 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT - MEASURING METHODS AND TEST PROCEDURES
    IEC 60401:1993 Ferrite materials - Guide on the format of data appearing in manufacturers' catalogues of transformer and inductor cores
    IEC 61246:1994+AMD1:2002 CSV Magnetic oxide cores (E-cores) of rectangular cross-section and associated parts - Dimensions
    BS CECC25400(1984) : 1984 AMD 7579 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: SECTIONAL SPECIFICATION: ADJUSTERS USED WITH MAGNETIC OXIDE CORES FOR USE IN INDUCTORS AND TUNED TRANSFORMERS
    BS EN 61247:1997 PM-cores made of magnetic oxides and associated parts. Dimensions
    BS 9925-01.0:1984 Harmonized system of quality assessment for electronic components. Inductor and transformer cores for telecommunications Sectional specification: magnetic oxide cores for inductor applications
    BS CECC25200(1978) : 1978 AMD 7578 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS : SECTIONAL SPECIFICATION : MAGNETIC OXIDE CORES FOR LINEAR TRANSFORMERS
    BS EN 125000:1998 Harmonized system of quality assessment for electronic components. Generic specification: cores made of ferrite materials
    I.S. EN 61247:1999 PM-CORES MADE OF MAGNETIC OXIDES AND ASSOCIATED PARTS - DIMENSIONS
    IEC 61596:1995 Magnetic oxide EP-cores and associated parts for use in inductors and transformers - Dimensions
    EN 61007:1997 Transformers and inductors for use in electronic and telecommunication equipment - Measuring methods and test procedures
    IEC 60723-3:1985 Inductor and transformer cores for telecommunications. Part 3: Sectional specification: Magnetic oxide cores for broad-band transformers
    IEC 60723-4:1987 Inductor and transformer cores for telecommunications. Part 4: Sectional specification: Magnetic oxide cores for transformers and chokes for power applications
    BS EN 61007:1997 Transformers and inductors for use in electronic and telecommunication equipment. Measuring methods and test procedures
    BS EN 125200:1993 Harmonized system of quality assessment for electronic components: sectional specification: magnetic oxide cores for linear transformers
    I.S. EN 125200:1994 MAGNETIC OXIDE CORES FOR LINEAR TRANSFORMERS (SECTIONAL SPECIFICATION)
    BS EN 61596:1997 Magnetic oxide EP-cores and associated parts for use in inductors and transformers. Dimensions
    04/30112548 DC : DRAFT APR 2004 IEC 61185 ED.2 - MAGNETIC OXIDE CORES (ETD - CORES) INTENDED FOR USE IN POWER SUPPLY APPLICATIONS - DIMENSIONS
    I.S. EN 61596:1999 MAGNETIC OXIDE EP-CORES AND ASSOCIATED PARTS FOR USE IN INDUCTORS AND TRANSFORMERS - DIMENSIONS
    I.S. EN 60431:1999 DIMENSIONS OF SQUARE CORES (RM-CORES) MADE OF MAGNETIC OXIDES AND ASSOCIATED PARTS
    IEC 61007:1994 Transformers and inductors for use in electronic and telecommunication equipment - Measuring methods and test procedures
    IEC 61247:1995 PM-cores made of magnetic oxides and associated parts - Dimensions
    IEC 61248-1:1996 Transformers and inductors for use in electronic and telecommunication equipment - Part 1: Generic specification
    IEC 61248-4:1996 Transformers and inductors for use in electronic andtelecommunication equipment - Part 4: Sectional specification forpower transformers for switched mode power supplies (SMPS) on thebasis of the capability approval procedure
    BS EN 61248-1:1997 Transformers and inductors for use in electronic and telecommunication equipment Generic specification
    IEC 60723-5:1993 Inductor and transformer cores for telecommunications - Part 5: Sectional specification: Adjusters used with magnetic oxide cores for use in adjustable inductors and transformers
    EN 61596:1997 Magnetic oxide EP-cores and associated parts for use in inductors and transformers - Dimensions
    EN 61248-1 : 1997 Transformers and inductors for use in electronic and telecommunication equipment - Part 1: Generic specification
    EN 125200:1991 Sectional Specification: Magnetic oxide cores for linear transformers
    EN 62044-3:2001 Cores made of soft magnetic materials - Measuring methods - Part 3: Magnetic properties at high excitation level
    EN 60431:1997/A2:1998 DIMENSIONS OF SQUARE CORES (RM-CORES) MADE OF MAGNETIC OXIDES AND ASSOCIATED PARTS
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