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BS 9925-0:1984

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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. Inductor and transformer cores for telecommunications Generic specification
Available format(s)

Hardcopy , PDF

Withdrawn date

20-04-2012

Language(s)

English

Published date

28-09-1984

National foreword
Committees responsible
Section One - Scope
1. Scope
Section Two - General
2. Document system
3. Units, symbols and terminology
4. Standard and preferred values
5. Effective parameters
Section Three - Quality assessment procedures
6. Primary stage of manufacture
7. Sampling procedure
8. Inspection for qualification approval
9. Quality conformance inspection
10. Delayed delivery
11. Certified records of released lots
Section Four - Tests and measuring methods
12. Visual examination and dimensions
13. Electrical tests and measuring methods
14. Mechanical tests
Section Five - Blank detail specifications
15. General
16. Identification of the detail specification
17. Identification of the core
18. Supplementary information
19. Test schedule
Appendix A - Format for the first page of detail
             specifications
Appendix B - Format for the test schedule

Lists the procedures to be used in the quality assessment of inductor and transformer cores for telecommunications, and the tests and measuring methods which may be selected by the appropriate sectional and blank detail specifications for these components. Also prescribes the rules for writing blank detail specifications.

Committee
EPL/51
DevelopmentNote
Also numbered as IEC 60723-1 and QC 250000 Supersedes 78/27486 DC (10/2005)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Withdrawn

BS 9925-01.01:1984 Harmonized system of quality assessment for electronic components. Inductor and transformer cores for telecommunications Blank detail specification: magnetic oxide cores for inductor applications. Assessment level A
BS 9925-02.01 & 02.02(1988) : 1988 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - INDUCTOR AND TRANSFORMER CORES FOR TELECOMMUNICATIONS - BLANK DETAIL SPECIFICATION: MAGNETIC OXIDE CORES FOR BROAD-BAND TRANSFORMERS - ASSESSMENT LEVELS A AND B
BS 9925-01.0:1984 Harmonized system of quality assessment for electronic components. Inductor and transformer cores for telecommunications Sectional specification: magnetic oxide cores for inductor applications
BS 9925-02.0:1987 Harmonized system of quality assessment for electronic components. Inductor and transformer cores for telecommunications Sectional specification: magnetic oxide cores for broad-band transformers
BS 9925-03.0:1988 Harmonized system of quality assessment for electronic components. Inductor and transformer cores for telecommunications Sectional specification: Magnetic oxide cores for transformers and chokes for power applications
BS 9925-03.01:1988 Harmonized system of quality assessment for electronic components. Inductor and transformer cores for telecommunications Blank detail specification: magnetic oxide cores for transformers and chokes for power applications. Assessment level A

IEC 60431:1983 Dimensions of square cores (RM-cores) made of magnetic oxides and associated parts
IEC 60133:2000 Dimensions of pot-cores made of magnetic oxides and associated parts
IEC 60367-1:1982 Cores for inductors and transformers for telecommunications. Part 1: Measuring methods
BS 5938-2:1980 Cores for inductors and transformers for telecommunications Guide to the drafting of performance specifications
BS 4727-1:GRP07(1973) : LATEST GLOSSARY OF ELECTROTECHNICAL POWER TELECOMMUNICATION ELECTRONICS LIGHTING AND COLOUR TERMS - TERMS COMMON TO POWER TELECOMMUNICATIONS & ELECTRONICS - MAGNETISM TERMINOLOGY
IEC 60424:1973 Guide to the specification of limits for physical imperfections of parts made from magnetic oxides
BS 2045:1965 Preferred numbers
BS 6454:1983 Method for calculation of the effective parameters of magnetic piece parts
BS 5555:1981 Specification for SI units and recommendations for the use of their multiples and of certain other units
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 5938-1:1984 Cores for inductors and transformers for telecommunications Methods of measurement

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