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IEC 60424-4 Ed. 2.0 b:2015
M00003497
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IEC 60424-4 Ed. 2.0 b:2015 Ferrite cores - Guidelines on the limits of surface irregularities - Part 4: Ring-cores
standard by International Electrotechnical Commission, 12/04/2015
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IEC 60424-4:2015 gives guidance on allowable limits of surface irregularities applicable to ring-cores in accordance with the relevant generic specification defined in IEC 60424-1. This standard is considered as a sectional specification useful in the negotiations between ferrite core manufacturers and customers about surface irregularities. This edition includes the following significant technical changes with respect to the previous edition:- addition of crystallites in 3.1.3 and of pores in 3.1.4.