BS CECC 19000:1979
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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: dry reed make contact units
Hardcopy , PDF
English
28-02-1979
15-01-1997
Foreword
Preface
Section 1 - Scope
Section 2 - General
2.1 Related documents
2.2 Units, symbols and terminology
2.3 Marking
Section 3 - Quality assessment procedures
3.1 Primary stage of manufacture
3.2 Structurally similar components
3.3 Qualification approval requirements
3.4 Quality conformance inspection
3.5 Certified test records (RCE)
3.6 Delayed delivery
3.7 Release for delivery before the completion of
Group B tests
3.8 Delivery of contact units subjected to destructive
tests or to non-destructive tests
Section 4 - Test and measurement procedures
4.1 General
4.2 Alternative procedures
4.3 Standard conditions for 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 and bounce times
4.11 Contact sticking
4.12 Robustness of terminations
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 Voltage surge test
Section 5 - Additional procedural requirements
5.1 Quantities and units
5.2 Graphical symbols
5.3 Marking
Section 6 - Preferred values
6.1 Frequency of operation
6.2 Duty cycle
6.3 Open circuit voltage across contacts
6.4 Current rating
6.5 Load ratings
6.6 Number of operations
6.7 Environmental category
6.8 Preferred environmental severities
Section 7 - Rules for writing detail specifications
7.1 Introduction
7.2 Blank detail specification
7.3 Identification of the harmonized detail
specification
7.4 Identification of the components
7.5 Construction
7.6 Function
7.7 Outline drawing
7.8 Ratings
7.9 Characteristics
7.10 Related documents
7.11 Certified test records (RCE)
7.12 Additional tests
7.13 Inspection requirements
Appendix A
Standard test coils for reed contact units
Appendix B
Recommended layout for detail specifications
Appendix C1
Recommended layout for test schedule
Appendix C2
Recommended layout for test schedule
Terminology, quality assessment, test and measurement procedures, preferred values, and rules for drafting detail specifications.
| Committee |
EPL/94
|
| DevelopmentNote |
OBSOLESCENT - NO APPROVALS TO THIS SPECIFICATION
|
| DocumentType |
Standard
|
| Pages |
76
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| CECC 19000 : 78 AMD 2 | Identical |
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