• BS CECC42000(1978) : 1978

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: GENERIC SPECIFICATION: VARISTORS

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-03-2009

    Language(s):  English

    Published date:  01-01-1978

    Publisher:  British Standards Institution

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

    Foreword
    Preface
    Section 1 - Scope
    Section 2 - General
    2.1 Related documents
    2.2 Units, symbols and terminology
    2.3 Standard and preferred values
    2.4 Marking
    Section 3 - Quality assessment procedures
    3.1 Primary stage of manufacture
    3.2 Structural similarity
    3.3 Qualification approval procedures
    3.4 Quality conformance inspection
    3.5 Certified test records
    3.6 Delayed delivery
    3.7 Alternative test methods
    3.8 Release for delivery before the completion of
          Group B tests
    Section 4 - Test and measurement procedures
    4.1 Standard conditions for testing
    4.2 Visual examination and check of dimensions
    4.3 Voltage (or current) at reference current (or
          voltage)
    4.4 Non-linearity
    4.5 Temperature coefficient
    4.6 Capacitance
    4.7 Voltage proof (for insulated varistors only)
    4.8 Insulation resistance (for insulated varistors
          only)
    4.9 Robustness of the varistor body (for rod types
          only)
    4.10 Soldering
    4.11 Robustness of terminations
    4.12 Rapid change of temperature
    4.13 Bump
    4.14 Shock
    4.15 Vibration
    4.16 Climatic sequence
    4.17 Damp heat, steady state
    4.18 Flammability
    4.19 Electrical endurance, at room temperature
    4.20 Electrical endurance, at upper category
          temperature
    Section 5 - Sectional and blank detail specifications
    Appendix A
    Appendix B
    Appendix C

    Abstract - (Show below) - (Hide below)

    Deals with various varistors with symmetrical voltage current characteristics. Varistors are classified into sub-families according to field of application and technology of manufacture. Examples: low-voltage varistors for telephone equipment, varistors for general application and varistors for surge suppression.

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

    Committee EPL/40
    Development Note Supersedes 75/21263 DC. (01/2006)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    BS CECC42200(1988) : 1988 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: SURGE SUPPRESSION VARISTORS
    BS CECC 42101(1978) : 1978 SPECIFICATION FOR HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - BLANK DETAIL SPECIFICATION: LOW VOLTAGE VARISTORS PRIMARILY FOR TELEPHONY APPLICATIONS (ASSESSMENT LEVEL P)

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

    IEC 60060-2:2010 High-voltage test techniques - Part 2: Measuring systems
    BS E9006(1976) : LATEST HARMONISED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS. BASIC SPECIFICATION. ENVIRONMENTAL PROCEDURES
    BS 6458-2.2(1984) : 1984 FIRE HAZARD TESTING FOR ELECTROTECHNICAL PRODUCTS - METHODS OF TEST - NEEDLE FLAME TEST
    BS E9007:1975 SPECIFICATION FOR HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: BASIC SPECIFICATION: SAMPLING PLANS AND PROCEDURES FOR INSPECTION BY ATTRIBUTES
    BS 2488(1966) : 1966 SCHEDULE OF PREFERRED NUMBERS FOR THE RESISTANCE OF RESISTORS AND THE CAPACITANCE OF CAPACITORS FOR TELECOMMUNICATION EQUIPMENT
    BS 2045:1965 PREFERRED NUMBERS
    BS E9000-1(1977) : LATEST
    IEC 60294:2012 Measurement of the dimensions of a cylindrical component with axial terminations
    BS 5555(1976) : LATEST SI UNITS AND RECOMMENDATIONS FOR THE USE OF THEIR MULTIPLES AND OF CERTAIN OTHER UNITS
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