BS CECC 40300:1981
Current
The latest, up-to-date edition.
Harmonized system of quality assessment for electronic components: sectional specification: fixed precision resistors
Hardcopy , PDF
English
31-12-1981
Foreword
Preface
Section 1 - Scope
Section 2 - Preferred characteristics, ratings and
severities for environmental and overload
tests
2.1 Characteristics
2.1.1 Climatic severities
2.1.2 Temperature characteristics and temperature
coefficients of resistance
2.1.3 Limits for change in resistance
2.1.4 Limits for insulation resistance
2.2 Ratings
2.2.1 Rated resistance
2.2.2 Tolerances on rated resistance
2.2.3 Rated dissipation
2.2.4 Limiting element voltage
2.3 Severities for environmental and overload tests
2.3.1 Drying
2.3.2 Vibration
2.3.3 Low air pressure
2.3.4 Overload
2.4 Derating curve
2.5 Information to be given in detail specifications
2.5.1 Style
2.5.2 Rated dissipation
2.5.3 Limiting element voltage
2.5.4 Isolation voltage
2.5.5 Dimensions
2.5.6 Resistance range
2.5.7 Tolerances on rated resistance
2.5.8 Climatic category
2.5.9 Vibration severity
2.5.10 Low air pressure severity
2.5.11 Limits of resistance change after 1 000 h
endurance test
2.5.12 Temperature characteristic of resistance
2.5.13 Derating curve
2.5.14 Marking
2.5.15 Ordering information
2.5.16 Additional information (not for inspection purposes)
Section 3 - Inspection
3.1 Formation of Inspection lots
3.2 Test methods
3.3 Qualification approval
Appendix 'A' - Fixed sample size Qualification Approval
test schedule for fixed precision resistors
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