• EN 61007:1997

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Transformers and inductors for use in electronic and telecommunication equipment - Measuring methods and test procedures

    Available format(s): 

    Superseded date:  12-09-2020

    Language(s): 

    Published date:  16-05-1997

    Publisher:  European Committee for Standards - Electrical

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Terminology
    4 Test procedures
      4.1 Test and measurement conditions
          4.1.1 Measurement uncertainty
          4.1.2 Alternative test methods
      4.2 Visual inspection
          4.2.1 Protective screen position
          4.2.2 Quality of solder joints
      4.3 Dimensioning and gauging procedure
      4.4 Electrical test procedures
          4.4.1 Winding resistance
          4.4.2 Insulation tests
          4.4.3 Losses
          4.4.4 Inductance
          4.4.5 Unbalance
          4.4.6 Capacitance
          4.4.7 Transformation ratios
          4.4.8 Resonant frequency
          4.4.9 Signal transfer characteristics
          4.4.10 Frequency response
          4.4.11 Pulse characteristics
          4.4.12 Voltage-time product rating
          4.4.13 Total harmonic distortion
          4.4.14 Voltage regulation
          4.4.15 Temperature rise
          4.4.16 Surface temperature
          4.4.17 Phase test (polarity)
          4.4.18 Screens
          4.4.19 Noise
          4.4.20 Corona test
          4.4.21 Magnetic fields
          4.4.22 Inrush current
      4.5 Environmental test procedures
          4.5.1 General
          4.5.2 Soldering
          4.5.3 Robustness of terminations and integral mounting devices
          4.5.4 Shock
          4.5.5 Bump
          4.5.6 Vibration (sinusoidal)
          4.5.7 Acceleration, steady state
          4.5.8 Rapid change of temperature (thermal shock in air)
          4.5.9 Sealing
          4.5.10 Climatic sequence
          4.5.11 Damp heat, steady state
          4.5.12 Dry heat
          4.5.13 Mould grown
          4.5.14 Salt mist, cyclic (sodium chloride solution)
          4.5.15 Sulphur dioxide test for contacts and connections
          4.5.16 Fire hazard
          4.5.17 Immersion in cleaning solvents
      4.6 Endurance test procedures
          4.6.1 Short-term endurance (load run)
          4.6.2 Long-term endurance (life test)
    Annex ZA (normative) Normative references to international
             publications with their corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    Describes measuring methods and test procedures for inductors and transformers for use in electronic and telecommunication equipment that may be involved in any specifications for such components, in particular those forming part of the IEC Quality Assessment System for Electronic Components (IECQ).

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

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

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

    BS EN 61248-3:1997 Transformers and inductors for use in electronic and telecommunication equipment Sectional specification for power transformers on the basis of the capability approval procedure
    BS EN 62211:2004 Inductive components. Reliability management
    CEI EN 62211 : 2005 INDUCTIVE COMPONENTS - RELIABILITY MANAGEMENT
    I.S. EN 61248-5:1998 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT - PART 5: SECTIONAL SPECIFICATION FOR PULSE TRANSFORMERS ON THE BASIS OF THE CAPABILITY APPROVAL PROCEDURE
    I.S. EN 61248-1:1998 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT - PART 1: GENERIC SPECIFICATION
    I.S. EN 61248-7:1998 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT - PART 7: SECTIONAL SPECIFICATION FOR HIGH-FREQUENCY INDUCTORS AND INTERMEDIATE FREQUENCY TRANSFORMERS ON THE BASIS OF THE CAPABILITY APPROVAL PROCEDURE
    EN 61248-2:1997 Transformers and inductors for use in electronic and telecommunication equipment - Part 2: Sectional specification for signal transformers on the basis of the capability approval procedure
    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
    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
    I.S. EN 61248-3:1998 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT - PART 3: SECTIONAL SPECIFICATION FOR POWER TRANSFORMERS ON THE BASIS OF THE CAPABILITY APPROVAL PROCEDURE
    I.S. EN 62211:2017 INDUCTIVE COMPONENTS - RELIABILITY MANAGEMENT
    BS EN 61248-5:1997 Transformers and inductors for use in electronic and telecommunication equipment Sectional specification for pulse transformers on the basis of the capability approval procedure
    BS EN 61248-2:1997 Transformers and inductors for use in electronic and telecommunication equipment Sectional specification for signal transformers on the basis of the capability approval procedure
    EN 61248-5:1997 Transformers and inductors for use in electronic and telecommunication equipment - Part 5: Sectional specification for pulse transformers on the basis of the capability approval procedure
    BS EN 61248-1:1997 Transformers and inductors for use in electronic and telecommunication equipment Generic specification
    BS EN 61248-6:1997 Transformers and inductors for use in electronic and telecommunication equipment Sectional specification for inductors on the basis of the capability approval procedure
    I.S. EN 61248-2:1998 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT - PART 2: SECTIONAL SPECIFICATION FOR SIGNAL TRANSFORMERS ON THE BASIS OF THE CAPABILITY APPROVAL PROCEDURE
    BS EN 61248-4:1997 Transformers and inductors for use in electronic and telecommunication equipment Sectional specification for power transformers for switched mode power supplies (SMPS) on the basis of the capability approval procedure
    I.S. EN 61248-6:1998 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT - PART 6: SECTIONAL SPECIFICATION FOR INDUCTORS ON THE BASIS OF THE CAPABILITY APPROVAL PROCEDURE
    EN 62211:2017 Inductive components - Reliability management
    EN 61248-7:1997 Transformers and inductors for use in electronic and telecommunication equipment - Part 7: Sectional specification for high-frequency inductors and intermediate frequency transformers on the basis of the capability approval procedure
    EN 61248-6:1997 Transformers and inductors for use in electronic and telecommunication equipment - Part 6: Sectional specification for inductors on the basis of the capability approval procedure
    EN 61248-1 : 1997 Transformers and inductors for use in electronic and telecommunication equipment - Part 1: Generic specification
    EN 61248-3:1997 Transformers and inductors for use in electronic and telecommunication equipment - Part 3: Sectional specification for power transformers on the basis of the capability approval procedure

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

    IEC 60270:2000+AMD1:2015 CSV High-voltage test techniques - Partial discharge measurements
    HD 323.2.20 : 200S3 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST T - SOLDERING
    IEC 60068-1:2013 Environmental testing - Part 1: General and guidance
    IEC 60068-2-58:2015+AMD1:2017 CSV Environmental testing - Part 2-58: Tests - Test Td: Test methods for solderability, resistance to dissolution of metallization and to soldering heat of surface mounting devices (SMD)
    IEC 60068-2-27:2008 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
    IEC 60367-1:1982 Cores for inductors and transformers for telecommunications. Part 1: Measuring methods
    HD 323.2.13 : 200S1 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST M: LOW AIR PRESSURE
    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
    HD 323.2.17 : 200S4 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST Q: SEALING
    EN 60068-2-1:2007 Environmental testing - Part 2-1: Tests - Test A: Cold
    EN 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
    IEC 60068-2-21:2006 Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices
    IEC 60068-2-13:1983 Basic environmental testing procedures - Part 2-13: Tests - Test M: Low air pressure
    EN 60068-1:2014 Environmental testing - Part 1: General and guidance
    HD 323.2.14 : 200S2 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST N: OF TEMPERATURE
    EN 60068-2-7:1993 Environmental testing - Part 2: Tests - Test Ga: Acceleration, steady state
    HD 323.2.30 : 200S3 BASIC ENVIRONMENTAL TESTING PROCEDURES - PART 2: TESTS - TEST DB AND GUIDANCE: DAMP HEAT, CYCLIC (12 + 12-HOUR CYCLE)
    EN 60068-2-27:2009 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
    HD 323.2.3 : 200S2 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST CA - DAMP HEAT, STEADY STATE
    IEC 60068-2-3:1969 Basic environmental testing procedures - Part 2-3: Tests - Test Ca: Damp heat, steady state
    HD 323.2.6 : 200S2 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST FC AND GUIDANCE: VIBRATION (SINUSOIDAL)
    IEC 60068-2-17:1994 Basic environmental testing procedures - Part 2-17: Tests - Test Q: Sealing
    IEC 60068-2-10:2005 Environmental testing - Part 2-10: Tests - Test J and guidance: Mould growth
    EN 60068-2-21:2006 Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices
    IEC 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
    EN 60551:1992/A1:1997 DETERMINATION OF TRANSFORMER AND REACTOR SOUND LEVELS
    HD 323.2.10 : 200S3 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST J AND GUIDANCE: MOULD GROWTH
    IEC 60068-2-42:2003 Environmental testing - Part 2-42: Tests - Test Kc: Sulphur dioxide test for contacts and connections
    EN 60068-2-29:1993 Environmental testing - Part 2: Tests - Test Eb and guidance: Bump
    IEC 60068-2-29:1987 Environmental testing. Part 2: Tests. Test Eb and guidance: Bump
    IEC 60068-2-1:2007 Environmental testing - Part 2-1: Tests - Test A: Cold
    IEC 60044-4:1980 Instrument transformers - Part 4: Measurement of partial discharges
    HD 323.2.58 : 200S1 TEST TD: SOLDERABILITY, RESISTANCE TO DISSOLUTION OF METALIZATION AND TO SOLDERING HEAT OF SURFACE MOUNTING DEVICES (SMD)
    IEC 60068-2-14:2009 Environmental testing - Part 2-14: Tests - Test N: Change of temperature
    EN 60068-2-45:1992/A1:1993 Environmental testing - Part 2: Tests - Test Xa and guidance: Immersion in cleaning solvents
    IEC 60068-2-52:2017 Environmental testing - Part 2-52: Tests - Test Kb: Salt mist, cyclic (sodium chloride solution)
    HD 323.2.52 : 200S1 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST KB: SALT MIST, CYCLIC (SODIUM CHLORIDE SOLUTION)
    IEC 60068-2-30:2005 Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
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