• There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

BS EN 125000:1998

Current
Current

The latest, up-to-date edition.

Harmonized system of quality assessment for electronic components. Generic specification: cores made of ferrite materials
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-03-1998

1 GENERAL
    1.1 Scope
    1.2 Normative references
    1.3 Units, symbols and terminology
          1.3.1 Multiples and submultiples of units
          1.3.2 Letter symbols
          1.3.3 Definitions
          1.3.4 List of parameters useful for core
                  characterization
    1.4 Standard and preferred values
          1.4.1 Dimensions of cores
          1.4.2 Nominal value of inductance factor A
    1.5 Marking of cores and packaging
    1.6 Subcontracting
    1.7 Validity of release
2 QUALITY ASSESSMENT PROCEDURES
    2.1 Qualification approval
          2.1.1 Primary stage of manufacture
          2.1.2 Qualification approval procedures
          2.1.3 Quality conformance inspection requirements
                  2.1.3.1 Delayed delivery
                  2.1.3.2 Certified test records
    2.2 Capability Approval
          2.2.1 General
                  2.2.1.1 Eligibility for Capability
                            Approval
                  2.2.1.2 Primary stage of manufacture
                  2.2.1.3 Subcontracting
                  2.2.1.4 Incorporated components
                  2.2.1.5 Validity of release
                  2.2.1.6 Rework
          2.2.2 Procedures for capability approval
                  2.2.2.1 Application for capability
                            approval
                  2.2.2.2 Granting of capability approval
                  2.2.2.3 Description of capability
                  2.2.2.4 Capability Qualifying
                            Components (CQCs)
                            2.2.2.4.1 Process description
                            2.2.2.4.2 Selection of CQCs
                                       vs process steps
                  2.2.2.5 Demonstration and verification
                            of capability
                  2.2.2.6 Procedures to be followed in the
                            event of CQC failures
                  2.2.2.7 Abstract of description of
                            capability
          2.2.3 Procedures following the granting of
                  Capability Approval
                  2.2.3.1 Maintenance of capability
                            approval
                  2.2.3.2 Modifications likely to affect the
                            validity of capability approval
          2.2.4 Release for delivery
3 TEST AND MEASUREMENT PROCEDURES (General guidance)

Applies to cores made from ferrite materials for use in a wide range of inductive components needed by many applications in almost all industries. Defines standard terms, inspection and test procedures for sectional and detail specifications within the CECC System for electronic components.

Committee
EPL/51
DevelopmentNote
Supersedes 97/204496 DC and BS CECC 25000(1977). (05/2005)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
NF EN 125000 : 2000 Identical
NEN EN 125000 : 1998 Identical
DIN EN 125000:1998-11 Identical
I.S. EN 125000:1999 Identical
SN EN 125000 : 1997 Identical
EN 125000:1997 Identical

IEC 61246:1994+AMD1:2002 CSV Magnetic oxide cores (E-cores) of rectangular cross-section and associated parts - Dimensions
IEC 60723-1:1982 Inductor and transformer cores for telecommunications. Part 1: Generic specification
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
IEC 60492:1974 Measuring methods for aerial rods
IEC 60732:1982 Measuring methods for cylinder cores, tube cores and screw cores of magnetic oxides
IEC 60647:1979 Dimensions for magnetic oxide cores intended for use in power supplies (EC-cores)
IEC 61596:1995 Magnetic oxide EP-cores and associated parts for use in inductors and transformers - Dimensions
IEC 60205:2016 Calculation of the effective parameters of magnetic piece parts
ISO 2859-2:1985 Sampling procedures for inspection by attributes — Part 2: Sampling plans indexed by limiting quality (LQ) for isolated lot inspection
IEC 60424:1973 Guide to the specification of limits for physical imperfections of parts made from magnetic oxides
IEC 60367-2A:1976 Cores for inductors and transformers for telecommunications - Part 2: Guides for the drafting of performance specifications - First supplement
IEC 61332:2016 Soft ferrite material classification
CECC 00114 : 93 AMD 1 QUALITY ASSESSMENT PROCEDURES - APPROVAL OF MANUFACTURERS AND OTHER ORGANIZATIONS
IEC 60410:1973 Sampling plans and procedures for inspection by attributes
IEC 61247:1995 PM-cores made of magnetic oxides and associated parts - Dimensions
IEC 60556:2006+AMD1:2016 CSV Gyromagnetic materials intended for application at microwavefrequencies - Measuring methods for properties
EN 125500:1996 Sectional Specification: Magnetic oxide ring cores for interference suppression and low level signal transformer applications
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 00200 : 2002 REGISTER OF FIRMS, PRODUCTS AND SERVICES APPROVED UNDER CECC CERTIFICATION SYSTEM FOR ELECTRONIC COMPONENTS
ISO 9000:2015 Quality management systems — Fundamentals and vocabulary
ISO 497:1973 Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers
IEC 60401:1993 Ferrite materials - Guide on the format of data appearing in manufacturers' catalogues of transformer and inductor cores
IEC 61333:1996 Marking on U and E ferrite cores
IEC 61185:2005 Ferrite cores (ETD-cores) intended for use in power supply applications - Dimensions
IEC 60701:1981 Axial lead cores made of magnetic oxides or iron powder
CECC 00400 : 86 ERRATUM 92 HANDBOOK FOR THE PRODUCTION OF CECC DOCUMENTS

View more information
£142.00
Excluding VAT

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.