IEC 60401-1:2020 provides a nomenclature of the most frequent surface, bulk, and shape irregularities relevant to cores made of ferrites (magnetic oxides). Also recommends a consistent scheme for specifying the exact location of the irregularity, combining a general name for the location with more detailed qualifiers of the specified location.
IEC 60401-1 Ed. 2.0 b:2020 History
IEC 60401-1 Ed. 2.0 b:2020
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IEC 60401-1 Ed. 1.0 b:2002
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