IEC 62317-12:2016

IEC 62317-12:2016

September 2016
International standard Cancelled

Ferrite cores - Dimensions - Part 12: Ring cores

IEC 62317-12:2016(E) specifies the dimensions that are of importance for mechanical interchangeability for a preferred range of ring-cores, also called toroid cores, and the effective parameter values to be used in calculations involving them. The selection of core sizes for this document is based on the philosophy of including those sizes which are industrial standards, meaning that they are in broad-based use within industry. See IEC 62317-1 for more detail concerning the philosophy of selecting core sizes to be included. This first edition cancels and replaces the first edition of IEC TR 61604 published in 1997. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC TR 61604:a) amendment of Clause 5 concerning the relationship between standard of European, Japanese and U.S.A. sizes;b) addition of Subclause 5.3 concerning coating.

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Main informations

Collections

International IEC standards

Publication date

September 2016

Number of pages

15 p.

Reference

IEC 62317-12:2016

Print number

1
Sumary
Ferrite cores - Dimensions - Part 12: Ring cores

IEC 62317-12:2016(E) specifies the dimensions that are of importance for mechanical interchangeability for a preferred range of ring-cores, also called toroid cores, and the effective parameter values to be used in calculations involving them. The selection of core sizes for this document is based on the philosophy of including those sizes which are industrial standards, meaning that they are in broad-based use within industry. See IEC 62317-1 for more detail concerning the philosophy of selecting core sizes to be included. This first edition cancels and replaces the first edition of IEC TR 61604 published in 1997. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC TR 61604:
a) amendment of Clause 5 concerning the relationship between standard of European, Japanese and U.S.A. sizes;
b) addition of Subclause 5.3 concerning coating.
Replaced standards (1)
IEC TR 61604:1997
July 1997
Technical report Cancelled
Dimensions of uncoated ring cores of magnetic oxides

This technical report of type 3 gives information about dimensions and related effective parameters of uncoated ring cores, standardized in Europe, in the USA and in Japan.

Standard replaced by (1)
IEC 63093-12:2019
April 2019
International standard Current
Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 12: Ring-cores

IEC 63093-12:2019 specifies the dimensions that are of importance for mechanical interchangeability for a preferred range of ring-cores, also called toroid cores, and the effective parameter values to be used in calculations involving them. It also gives guidelines on allowable limits of surface irregularities applicable to ring-cores. This document is a specification useful in the negotiations between ferrite core manufacturers and users about surface irregularities. This first edition cancels and replaces the first edition of IEC 62317-12 published in 2016 and the second edition of IEC 60424-4 published in 2015. This edition constitutes a technical revision. IEC 63093-12 integrates the contents of IEC 62317-12:2016 and IEC 60424-4:2015.

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