• I.S. EN 143000:1994

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    THERMISTORS (GENERIC SPECIFICATION)

    Available format(s):  Hardcopy, PDF

    Superseded date:  09-08-2016

    Language(s):  English

    Published date:  01-01-1994

    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
    PREFACE
    SECTION 1 - SCOPE
    1 Scope
    SECTION 2 - GENERAL
      2.1 Related documents
      2.2 Units, symbols and terminology
      2.3 Preferred values
      2.4 Marking
    SECTION 3 - QUALITY ASSESSMENT PROCEDURES
      3.1 Primary stage of manufacture
      3.2 Structurally similar parts
      3.3 Qualification approval procedures
      3.4 Certified test records
      3.5 Delayed delivery
      3.6 Alternative test methods
      3.7 Release for delivery before the completion of
           Group B tests
      3.8 Formation of inspection lots
    SECTION 4 - TEST AND MEASUREMENT PROCEDURES
      4.1 Standard conditions for testing
      4.2 Drying and recovery
      4.3 Visual inspection and check of dimensions
      4.4 Zero-power resistance
      4.5 B-value or resistance ratio
      4.6 Insulation resistance
      4.7 Voltage proof
      4.8 Resistance/temperature characteristic
      4.9 Dissipation factor (delta)
      4.10 Thermal time constant by cooling (tau c)
      4.11 Thermal time constant by ambient change (tau a)
      4.12 Robustness of terminations
      4.13 Soldering
      4.14 Rapid change of temperature
      4.15 Vibration
      4.16 Bump
      4.17 Shock
      4.18 Climatic sequence
      4.19 Damp heat, steady state
      4.20 Endurance
    SECTION 5 - BLANK DETAIL SPECIFICATION
    APPENDICES
    A Fixed sample size test schedule for qualification
      approval
      B.1 Preferred mounting for thermistors without wire
          termination
      B.2 Preferred mounting for thermistors with wire
          termination
    FIGURES

    Abstract - (Show below) - (Hide below)

    Describes terms and methods of test applicable to directly heated thermistors, insulated and non-insulated types, with negative temperature coefficients (NTC-D).

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

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

    CECC 00109 : 1974 CECC RULES OF PROCEDURE: RP 9: CERTIFIED TESTS RECORDS
    IEC 60068-1:2013 Environmental testing - Part 1: General and guidance
    IEC 60068-2-27:2008 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
    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
    IEC 60539 : 1.0 DIRECTLY HEATED NEGATIVE TEMPERATURE COEFFICIENT THERMISTORS
    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 ENVIRONMENTAL TESTING - PART 2: TESTS - TEST M: LOW AIR PRESSURE
    CECC 00100 : 1988 BASIC RULES - TO BE USED IN CONNECTION WITH THE INTERNAL REGULATIONS OF THE FEN e.V
    IEC 60068-2-11:1981 ENVIRONMENTAL TESTING - TEST KA: SALT MIST
    ISO 3:1973 Preferred numbers Series of preferred numbers
    IEC 60027-1:1992 Letters symbols to be used in electrical technology - Part 1: General
    IEC 60410:1973 Sampling plans and procedures for inspection by attributes
    IEC 60068-2-3:1969 ENVIRONMENTAL TESTING - TEST CA: DAMP HEAT, STEADY STATE
    IEC 60294:2012 MEASUREMENT OF THE DIMENSIONS OF A CYLINDRICAL COMPONENT WITH AXIAL TERMINATIONS
    CECC 00107(PT1) : 1982 CECC RULES OF PROCEDURE: RP7: QUALITY ASSESSMENT PROCEDURES - QUALITY ASSESSMENT PROCEDURE FOR GENERAL USAGE
    IEC 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
    IEC 60062:2016 Marking codes for resistors and capacitors
    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
    IEC 60063:2015 PREFERRED NUMBER SERIES FOR RESISTORS AND CAPACITORS
    IEC 60068-2-29:1987 BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST EB AND GUIDANCE: BUMP
    IEC 60068-2-1:2007 Environmental testing - Part 2-1: Tests - Test A: Cold
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