• EN 140210 : 1994 AC 1994

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    FIXED POWER RESISTORS - CAPABILITY APPROVAL (SECTIONAL SPECIFICATION)

    Available format(s): 

    Withdrawn date:  22-03-2004

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Cenelec Electronic Components Committee

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

    Foreword
    Section 1 - General
      1.1 Scope
      1.2 Related documents
      1.3 Information to be prescribed in detailed
           specifications
           1.3.1 Outline drawings and dimensions
           1.3.2 Mounting
           1.3.3 Marking
           1.3.4 Ordering information
           1.3.5 Additional information (not for inspection
                  purposes)
      1.4 Units, symbols and terminology
      1.5 Marking of component and package
    Section 2 - Preferred ratings and characteristics
      2.1 Preferred climatic categories
      2.2 Preferred values of ratings
           2.2.1 Rated resistance
           2.2.2 Tolerance on rated resistance
           2.2.3 Rated dissipation
           2.2.4 Limiting element voltage
      2.3 Preferred values of characteristics
           2.3.1 Temperature coefficient of resistance
           2.3.2 Limits for change in resistance
    Section 3 - Quality assessment procedures
      3.1 Eligibility for capability approval
      3.2 Primary stage of manufacture
      3.3 Structural similar components
      3.4 Procedures for capability approval
           3.4.1 General
           3.4.2 Application of capability of approval
           3.4.3 Granting of capability approval
      3.5 Capability manual
      3.6 Capability qualifying components (CQCs)
           3.6.1 CQCs for process quality control
           3.6.2 CQCs for demonstrating limits of capability
      3.7 Inspection requirements of CQCs
      3.8 Programme for capability approval
      3.9 Capability approval test report
      3.10 Abstract of description of capability
      3.11 Modification likely to affect the capability
           approval
      3.12 Initial capability approval
           3.12.1 Procedure in the event of failure
           3.12.2 General plan for the selection of CQCs
           3.12.3 Process control test plans
                  3.12.3.1 Winding element - visual and dimensional
                  3.12.3.2 Element/termination connections - visual
                            examination
                  3.12.3.3 Coating application - visual examination
                  3.12.3.4 Temperature profile of oven or kiln
                  3.12.3.5 Lead preparation and soldering - visual
                            examination
                  3.12.3.6 Termination completion - visual examination
                  3.12.3.7 Bulk metal element fabrication - visual
                            examination
                  3.12.3.8 Moisture content of ceramic powders
                  3.12.3.9 Visual examination after pressing
                  3.12.3.10 Visual examination after metallizing
                  3.12.3.11 Batch release for finding after 100%
                            resistance measurement
                  3.12.3.12 Marking
                  3.12.3.13 100% resistance test
                  3.12.3.14 Visual examination after packaging
           3.12.4 Test plans for CQCs demonstrating limits of
                  capability
                  3.12.4.1 Range of case sizes
                  3.12.4.2 Range of terminations
                  3.12.4.3 Minimum, maximum and critical resistance
                            in smallest and largest case size
                  3.12.4.4 Numbers of resistor sections per case
                            size (n[s])
                  3.12.4.5 Rated dissipation and case size
                  3.12.4.6 Dissipation at upper category temperature
                  3.12.4.7 Limiting element voltage for smallest and
                            largest case size
                  3.12.4.8 Overload
                  3.12.4.9 Isolation voltage
                  3.12.4.10 Temperature characteristic of resistance
                  3.12.4.11 Climatic category
                  3.12.4.12 Rated temperature
                  3.12.4.13 Vibration severity
                  3.12.4.14 Bump or shock severity
                  3.12.4.15 Low air pressure severity
                  3.12.4.16 Reactance
                  3.12.4.17 Robustness of the resistor body
      3.13 Maintenance of capability approval
      3.14 Extension of capability approval
      3.15 Quality conformance inspection
      3.16 Screening procedures
      3.17 Delayed delivery
    Section 4 - Test and measurement procedures
    Annex A Example of an abstract description of capability
            for inclusion in CECC 00 200
    Annex B Layout of the front page of a CQC specification
    Annex C Requirements for capability approval test report
    Annex D Requirements for the form and content of a
            capability manual
    Figures
    Tables

    Abstract - (Show below) - (Hide below)

    Gives preferred ratings and characteristics of fixed power resistors with related dissipation not less than 2 W, primarily meant for applications in electronic equipment. Also selects the appropriate capability approval procedures.

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

    Committee TC 40XB
    Document Type Standard
    Publisher Cenelec Electronic Components Committee
    Status Withdrawn
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