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I.S. EN 143000:1994

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Superseded date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

Preview

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.

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

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

DocumentType
Standard
Pages
53
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
EN 143000 : 1991 Identical
DIN EN 143000:1997-02 Identical
NEN EN 143000 : 2005 Identical
BS EN 143000:1992 Identical

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 60539:1976 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 Basic environmental testing procedures - Part 2-13: 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 Basic environmental testing procedures - Part 2-11: Tests - 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 Basic environmental testing procedures - Part 2-3: Tests - 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 Environmental testing. Part 2: Tests. Test Eb and guidance: Bump
IEC 60068-2-1:2007 Environmental testing - Part 2-1: Tests - Test A: Cold

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