DS DS/EN 60424-3
DS DSEN 60424-3 1999-DEC-23 Ferrt cores - Gude on the lmts of surface rregulartes - Part 3 ETD-cores and E-cores
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This International Standard gives guidance on allowable limits of surface irregularities applicable to ETD-cores, E-cores and other similar shapes in accordance with the relevant generic specification. This standard is a specification useful in the negotiations between ferrite core manufacturers and customers about surface irregularities.