BS CECC 42000:1978
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Harmonized system of quality assessment for electronic components: generic specification: varistors
Hardcopy , PDF
English
29-12-1978
31-03-2009
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
A range of varistors with symmetrical voltage current characteristics, classified according to application and manufacturing technology.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes 75/21263 DC. (01/2006)
|
| DocumentType |
Standard
|
| Pages |
54
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| CECC 42000 : 78 AMD 3 86 | Identical |
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