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I.S. EN 60431:1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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DIMENSIONS OF SQUARE CORES (RM-CORES) MADE OF MAGNETIC OXIDES AND ASSOCIATED PARTS

Available format(s)

Hardcopy , PDF

Superseded date

15-02-2006

Superseded by

I.S. EN 62317-4:2006

Language(s)

English

Published date

01-01-1999

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

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FOREWORD
PREFACE
1 Scope
2 Conversion system
3 Primary standards
4 Derived standards
5 Standard inductance measuring coils
APPENDIX A - Square coil design
APPENDIX B - Example of a standard for the main dimensions
             of coil formers for square cores (RM-cores)
             meeting the IEC primary standard
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Describes the dimensions that are of importance for mechanical interchangeability for a preferred range of square cores (RM-cores) made of magnetic oxides, the dimensional limits for wound coil formers to be used with these cores and the locations of their terminal pins on a 2.54 mm printed wiring grid in relation to the base outlines of the cores.

DocumentType
Standard
Pages
38
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

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 60097:1991 Grid systems for printed circuits
IEC 60317-2:2012 Specifications for particular types of winding wires - Part 2: Solderable polyurethane enamelled round copper wire, class 130, with a bonding layer
ISO 370:1975 Toleranced dimensions Conversion from inches into millimetres and vice versa

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