IEC 63093-12 Ed. 1.0 b:2019

IEC 63093-12 Ed. 1.0 b:2019 Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 12: Ring-cores
standard by International Electrotechnical Commission, 04/04/2019

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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.