European Committee for Electrotechnical Standardization（CENELEC）
Latest
EN 60424-1:2016
Scope
IEC 60424-1:2015 gives guidelines on the allowable limits of surface irregularities of ferrite cores. This standard should be considered as a general specification useful in the dialogue 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 pores in 3.5 and crystallites in 3.6.
EN 60424-1:2016 history
2016EN 60424-1:2016 Ferrite cores - Guidelines on the limits of surface irregularities - Part 1: General specification
1999EN 60424-1:1999 Ferrite Cores - Guide on the Limits of Surface Irregularities - Part 1: General Specification