• NBN EN 60539-1 : 2008

    Current The latest, up-to-date edition.


    Available format(s): 


    Published date:  12-01-2013

    Publisher:  Belgian Standards

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

    1 General
       1.1 Scope
       1.2 Normative references
    2 Technical data
       2.1 Units, symbols and terminology
       2.2 Definitions
       2.3 Preferred values
       2.4 Marking
    3 Quality assessment procedures
       3.1 General
       3.2 Primary stage of manufacture
       3.3 Structurally similar components
       3.4 Qualification Approval procedures
       3.5 Quality conformance inspection
       3.6 Certified test records of released lots
       3.7 Delayed delivery
       3.8 Release for delivery under qualification
            approval before the completion of Group B
       3.9 Alternative test methods
       3.10 Unchecked parameters
    4 Test and measurement procedures
       4.1 General
       4.2 Standard atmospheric conditions for testing
       4.3 Drying and recovery
       4.4 Visual examination and check of dimensions
       4.5 Zero-power resistance
       4.6 B-value or resistance ratio
       4.7 Insulation resistance (for insulated types
       4.8 Voltage proof (for insulated types only)
       4.9 Resistance/temperature characteristic
       4.10 Dissipation factor (delta)
       4.11 Thermal time constant by ambient temperature
            change (taua)
       4.12 Thermal time constant by cooling after
            self-heating (tauc)
       4.13 Robustness of terminations (not applicable to
            surface mount thermistors)
       4.14 Resistance to soldering heat
       4.15 Solderability
       4.16 Rapid change of temperature
       4.17 Vibration
       4.18 Bump
       4.19 Shock
       4.20 Free fall (if specified in the detail
       4.21 Thermal shock (if specified in the detail
       4.22 Climatic sequence
       4.23 Cold (if required by the sectional specification)
       4.24 Dry heat (if required by the sectional
       4.25 Damp heat, steady state
       4.26 Endurance
       4.27 Mounting (for surface mount thermistors only)
       4.28 Shear (adhesion) test
       4.29 Substrate bending test
       4.30 Component solvent resistance
       4.31 Solvent resistance of marking
       4.32 Salt mist (if required by the sectional
       4.33 Sealing (if required by the sectional
    Annex A (normative) Interpretation of sampling
            plans and procedures as described in IEC 60410
            for use within the IEC quality assessment system
            for electronic components (IECQ)
    Annex B (normative) Rules for the preparation of
            detail specifications for capacitors and
            resistors for electronic equipment
    Annex C (informative) Typical examples of mountings for
            measurements of directly heated thermistors
    Annex ZA (normative) Normative references to
             international publications with their
             corresponding European publications

    Abstract - (Show below) - (Hide below)

    Applies to directly heated negative temperature coefficient thermistors, typically made from transition metal oxide materials with semiconducting properties.

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

    Document Type Standard
    Publisher Belgian Standards
    Status Current
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