BS CECC 52000:1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Harmonized system of quality assessment for electronic components. Generic specification: mercury wetted change-over contact units, mechanically biased
Hardcopy , PDF
15-01-1997
English
30-11-1987
SECTION 1 - SCOPE
SECTION 2 - GENERAL
2.1 Related documents
2.2 Units, symbols and terminology
2.3 Marking
SECTION 3 - QUALITY ASSESSMENT PROCEDURE
SECTION 4 - TEST AND MEASUREMENT PROCEDURES
4.1 General
4.2 Alternative procedures
4.3 Standard conditions of testing
4.4 Visual inspection and check of dimensions
4.5 Functional tests
4.6 Remanence test
4.7 Contact circuit resistance
4.8 Voltage test
4.9 Insulation resistance
4.10 Operate, release, transfer or bridging and bounce
times
4.11 Contact sticking
4.12 Robustness of termination
4.13 Soldering
4.14 Climatic sequence
4.15 Damp heat, steady state
4.16 Rapid change of temperature
4.17 Salt mist
4.18 Bump
4.19 Vibration
4.20 Shock
4.21 Acceleration test - Functional test only
4.22 Sealing
4.23 Electrical endurance
4.24 Maximum cycling frequency test
4.25 Mounting position test
4.26 Drain time test
SECTION 5 - ADDITIONAL PROCEDURAL REQUIREMENTS
SECTION 6 - PREFERRED VALUES
SECTION 7 - RULES FOR WRITING DETAIL SPECIFICATIONS
ANNEX A - Standard test coils
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