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BS CECC 50000:1987

Current
Current

The latest, up-to-date edition.

Harmonized system of quality assessment for electronic components. Generic specification: discrete semiconductor devices
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-10-1987

Foreword
Preface and implementation
Section 1 - Scope
Section 2 - General
2.1 Order of precedence
2.2 Related documents
2.3 Units, symbols and terminology
2.4 Preferred values of ratings and characteristics
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 Date code system
2.6 Ordering information
Section 3 - Quality assessment procedures
3.1 Manufacturing stages and conditions for
        manufacturer's approval
3.2 Definition of production lot
3.3 Structurally similar devices
3.4 Qualification and capability approval procedures
3.4.1 Qualification approval procedure
3.4.2 Capability approval procedure (App. VII)
3.5 Quality conformance inspection
3.5.1 Division into Groups and Sub-groups
3.5.2 Inspection requirements
3.5.3 Supplementary procedures for reduced inspection
3.5.4 Sampling requirements for small lot or for
        expensive devices
3.5.5 Certified test records
3.5.6 Delivery of devices subjected to destructive or
        non-destructive tests
3.5.7 Delayed deliveries
3.5.8 Supplementary procedure for deliveries
3.5.9 Unchecked parameters (additional information)
3.5.10 Screening
Section 4 - Test and measurement conditions
4.1 Standard conditions for testing
4.2 Visual examination
4.2.1 Visual inspection
4.2.2 Dimensions
4.2.3 Permanence of marking (see 4.4.12)
4.3 Electrical measurements
4.3.1 Alternative methods
4.3.2 Precision of measurement
4.3.3 Measurements at high temperature
4.3.4 Methods for electrical measurements
4.4 Climatic and mechanical tests
4.4.1 Storage at high temperature
4.4.2 Damp heat, cyclic
4.4.3 Damp heat, steady state
4.4.4 Change of temperature
4.4.5 Shock
4.4.6 Vibration
4.4.7 Solderability
4.4.8 Resistance to soldering heat
4.4.9 Robustness of terminations
4.4.10 Sealing
4.4.11 Acceleration, steady state
4.4.12 Immersion in cleaning solvents
4.5 Electrical endurance tests
4.5.1 General
4.5.2 Usual test procedures
4.5.3 Accelerated test procedures
Appendices
I Structural similarity
II-A General inspection requirements for transistors
        and diodes (excluding rectifier diodes)
II-B General inspection requirements for rectifier
        diodes and transistors
III Tables of dimensions to be checked in Group B
        and Group C inspection
IV Directions of applied forces for mechanical
        tests
V Description of non-IEC methods of electrical
        measurements
VI Screening
VII Capability approval procedure

Applies to diodes, transistors, rectifier diodes and thyristors. Specifies quality assessment and test and measurement conditions. Appendices on structural similarity, inspection requirements, tests and screening.

Committee
EPL/47
DevelopmentNote
Supersedes BS CECC50000(1981), 85/24275 DC, 87/27234 DC, 90/23185 DC, 91/26544 DC, 90/34421 DC, 91/26546 DC, 91/21095 DC, 91/21094 DC & BS 9300(1969). (01/2006)
DocumentType
Standard
Pages
96
PublisherName
British Standards Institution
Status
Current

Standards Relationship
CECC 50000 : 86 AMD 3 Identical

BS 9000-1(1971) : LATEST
CECC 00109 : 1974 CECC RULES OF PROCEDURE: RP 9: CERTIFIED TESTS RECORDS
IEC 60068-1:2013 Environmental testing - Part 1: General and guidance
CECC 00112 : 82 AMD 4 CECC RULES OF PROCEDURE: RP 12: VOTING PROCEDURES
BS 4760:1971 Specification for numbering of weeks
IEC 60068-2-27:2008 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
IEC 60134:1961 Rating systems for electronic tubes and valves and analogous semiconductor devices
BS 9300:1969 Specification for semiconductor devices of assessed quality: generic data and methods of test
IEC 60068-2-20:2008 Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads
CECC 00102 : 86 AMD 1 91 CECC RULES OF PROCEDURE: RP 2: ADMINISTRATION PROCEDURES - ORGANISATION OF THE CECC GENERAL SECRETARIAT - CECC FINANCIAL ADMINISTRATION
BS E9007:1975 Specification for harmonized system of quality assessment for electronic components: Basic specification: Sampling plans and procedures for inspection by attributes
CECC 00103 : 1990 CECC RULES OF PROCEDURE: RP 3: THE ELECTRONIC COMPONENTS QUALITY ASSURANCE COMMITTEE (ECQAC)
IEC 60068-2-21:2006 Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices
CECC 00104 : 89 AMD 3 93 CECC RULES OF PROCEDURE: RP 4: CECC WORKING GROUPS - GENERAL RULES - ADDITIONAL RULES
CECC 00101 : 91 AMD 2 93 CECC RULES OF PROCEDURE: RP 1: THE CENELEC ELECTRONICS COMPONENTS COMMITTEE (CECC)
BS 2045:1965 Preferred numbers
IEC 60068-2-38:2009 Environmental testing - Part 2-38: Tests - Test Z/AD: Composite temperature/humidity cyclic test
IEC 60410:1973 Sampling plans and procedures for inspection by attributes
BS 4727(1971) : LATEST
IEC 60068-2-3:1969 Basic environmental testing procedures - Part 2-3: Tests - Test Ca: Damp heat, steady state
IEC 60068-2-17:1994 Basic environmental testing procedures - Part 2-17: Tests - Test Q: Sealing
IEC 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
BS 3363:1968 Schedule of letter symbols for semiconductor devices.
IEC 60068-2-2a:1976 Supplement A - Basic environmental testing procedures - Part 2: Tests - Tests B: Dry heat
CECC 00111 : 80 AMD 3 CECC RULES OF PROCEDURE: RP 11: SPECIFICATIONS AND THEIR HARMONIZATION - COMPONENTS FOR GENERAL AND PROFESSIONAL USAGE - COMPONENTS OF ENHANCED ASSESSMENT OF QUALITY
CECC 00106 : 1991 CECC RULES OF PROCEDURE: RP 6: METHODS OF AMENDING THE RULES OF PROCEDURE OF THE SYSTEM
BS 5555:1976 Specification for SI units and recommendations for the use of their multiples and of certain other units
BS 3934:1965 Specification for dimensions of semiconductor devices and integrated electronic circuits
IEC 60148:1969 Letter symbols for semiconductor devices and integrated microcircuits
CECC 00108 : 94 AC 98 RULE OF PROCEDURE 8 (ATTESTATION OF CONFORMITY) - PART 1: THE CECC MARK AND CONDITIONS OF USE - PART 2: CERTIFICATES OF APPROVAL - PART 3: PROCEDURES FOR THE ATTESTATION OF CONFORMITY
CECC 00105 : 1989 CECC RULE OF PROCEDURE: RP 5: CECC MEMBERSHIP REGISTER
BS 3939:1966 Graphic symbols for electrical and electronic diagrams
IEC 60068-2-14:2009 Environmental testing - Part 2-14: Tests - Test N: Change of temperature
CECC 00007 : 1978 BASIC SPECIFICATION: SAMPLING PLANS AND PROCEDURES FOR INSPECTION BY ATTRIBUTES
BS 2011(1967) : LATEST
BS 6001(1972) : AMD 5054 SAMPLING PROCEDURES FOR INSPECTION BY ATTRIBUTES - SPECIFICATION FOR SAMPLING PLANS INDEXED BY ACCEPTABLE QUALITY LEVEL (AQL) FOR LOT - BY - LOT INSPECTION
BS 5775-1:1993 Specification for quantities, units and symbols Space and time

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