IEC 60747-10:1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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31-12-2021
21-05-1991
Foreword
Preface
1 Scope
2 General
2.1 Order of precedence
2.2 Related documents
2.3 Units, symbols and terminology
2.4 Preferred values of voltages, currents and
temperatures
2.5 Marking
2.5.1 Terminal identification
2.5.2 Type designation
2.5.3 Manufacturer's name or trade mark
2.5.4 Inspection lot identification code
2.6 Categories of assessed quality
2.7 Screening
2.8 Handling
3 Quality Assessment Procedures
3.1 Eligibility for qualification approval
3.1.1 Primary stage of manufacture
3.2 Commercially confidential information
3.3 Formation of inspection lots
3.4 Structurally similar devices
3.5 Granting of qualification approval
3.6 Quality conformance inspectionance testing
3.6.1 Division into groups and sub-groups
3.6.2 Inspection requirements
3.6.3 Supplementary procedure for reduced
inspection
3.6.4 Sampling requirements for small lots
3.6.5 Certified Records of Released Lots
(CRRL)
3.6.6 Delivery of devices subjected to
destructive or non-destructive tests
3.6.7 Delayed deliveries
3.6.8 Supplementary procedure for deliveries
3.7 Statistical sampling procedures
3.7.1 AQL (Acceptable Quality Level) sampling
plans
3.7.2 Lot Tolerance Per Cent Defective (LTPD)
sampling plans
3.7.3 Correlation between AQL and LTPD
sampling plans
3.8 Endurance tests where LTPD is specified
3.9 Endurance tests where the failure rate is
specified
3.9.1 General
3.9.2 Selection of samples
3.9.3 Failures
3.9.4 Endurance test time and sample size
3.9.5 Procedure to be used if the number of
observed failures exceeds the acceptance
number
3.10 Accelerated test procedures
3.10.1 Requirements for eligibility in periodic
testing
3.10.2 Procedure for thermally-accelerated
electrical endurance testing
3.10.3 Damp heat (under consideration)
3.10.4 Voltage (under consideration)
3.11 Capability approval
3.11.1 General
3.11.2 Terms and definitions
3.11.3 Procedure for granting capability
approval
3.11.4 Capability approval maintenance
procedure
3.11.5 Procedure for reduction, extension or
change of capability approval
3.11.6 Procedure in case of deficiency in
maintenance of the capability approval
3.11.7 Capability manual
3.11.8 Capability test programme
3.11.9 Verification of capability approval
(quality audit)
3.11.10 Quality assurance of products delivered
under capability approval
3.11.11 Marking and ordering information
3.11.12 Capability abstract for publication
purposes
3.11.13 Detail specifications for custom
components
3.11.14 Detail specifications for catalogue
products
3.11.15 Detail specification register
4 Test and measurement procedures
4.1 Standard atmospheric conditions for electrical
and optical measurements
4.2 Physical examination
4.2.1 Visual examination
4.2.2 Dimensions
4.2.3 Permanence of marking
4.3 Electrical and optical measurements
4.3.1 General conditions and precautions
4.4 Environmental tests
Appendix A - Lot Tolerance Per Cent Defective (LTPD)
Table A-I - LTPD sampling plans
Table A-II - Hypergeometric sampling plans for
small lot sizes of 200 or less
Table A-III - AQL and LTPD sampling plans
Appendix B - Dimensions to be checked
Appendix C - Directions for applied forces for mechanical
tests
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