BS CECC 41400:1980
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Harmonized system of quality assessment for electronic components: sectional specification: rotary precision potentiometers
Hardcopy , PDF
English
29-02-1980
22-05-2026
Foreword
Preface
Section 1 - Scope
Section 2 - Preferred characteristics, ratings and
severities for environmental 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, or output ratio
2.1.4 Limits for insulation resistance
2.1.5 Limits for resistance law
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
2.2.5 Isolation voltage
2.2.6 Degree of conformity
2.2.7 Number of turns of the actuating device
2.2.8 Number of cycles of operation
2.2.9 Spindle rotational speed
2.3 Severities for environmental tests
2.3.1 Drying
2.3.2 Vibration
2.3.3 Bump
2.3.4 Shock
2.3.5 Low air pressure
2.3.6 Change of temperature
2.3.7 Soldering
2.4 Derating curve
2.5 Information to be given in a detail
specification
2.5.1 Style
2.5.2 Rated dissipation
2.5.3 Limiting element voltage
2.5.4 Isolation voltage
2.5.5 Resistance law and degree of conformity
2.5.6 Dimensions
2.5.7 Resistance range
2.5.8 Tolerances on rated resistance
2.5.9 Temperature characteristics of resistance
2.5.10 Climatic category
2.5.11 Vibration severity
2.5.12 Bump severity
2.5.13 Shock severity
2.5.14 Low air pressure severity
2.5.15 Soldering
2.5.16 Limits of resistance change after 1 000 h,
2.5.17 Starting torque
2.5.18 Resolution
2.5.19 Number of turns of the actuating device
2.5.20 Limiting slider current
2.5.21 Terminal resistance and, where applicable,
residual resistance and minimum effective
resistance
2.5.22 Derating curve
2.5.23 Mechanical endurance
2.5.24 Marking
2.5.25 Ordering information
2.5.25 Additional information
Section 3 - Inspection
3.1 Formation of inspection lots
3.2 Delayed delivery
3.3 Test methods
3.4 Apparatus for measuring mechanical accuracy
3.4.1 Dial indicator
3.4.2 Cylindrical spindle adapter
3.4.3 Potentiometer mounting fixture
3.4.4 Potentiometer spindle holding fixture
3.5 Qualification approval
Prescribes the preferred values for characteristics and ratings and also the inspection requirements for rotary precision potentiometers of assessed quality.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes 75/21463 DC. (01/2006)
|
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
Withdrawn:This standard is no longer used
| Standards | Relationship |
| CECC 41400 : 79 AMD 1 | Identical |
| BS 2011-2.1M:1984 | Environmental testing. Tests Test M. Low air pressure |
| BS 2011-2.1N:1985 | Environmental testing. Tests Test N. Change of temperature |
| BS E9000-1(1977) : LATEST | |
| IEC 60393-1:2008 | Potentiometers for use in electronic equipment - Part 1: Generic specification |
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