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This part of IEC 60401 provides a nomenclature of the most frequent surface, bulk and shape irregularities relevant to cores made of soft ferrites (magnetic oxides). Most irregularities are graphically exemplified as visual aids. A general recommendation is also given in the Annex A for 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. This standard can also be useful as a terminology reference when preparing technical documentation, irregularity inspection specifications, etc.
This standard also presents a method for defining the designation nomenclature for themajor physical attributes of soft ferrite core shapes. The purpose of this standard is tofacilitate uniform usage of dimensional characters by manufacturers, specifiers, and userswhen describing core dimensions on drawings, in tables, and on catalogue specificationsheets.
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