BS/EN 60424-3-2016 pdf download.FERRITE CORES — GUIDELINES ON THE LIMITS OF SURFACE IRREGULARITIES -Part 3: ETD-cores, EER•cores, EC•cores and E•cores.
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International Standard IEC 60424-3 has been prepared IEC technical committee 51: Magnetic components and ferrite materials.
This second edition cancels and replaces the first edition published in 1999. This edition constitutes a technical revision,
This edition Includes the following significant technical changes with respect to the previous
edition:
a) addition of allowable areas of chips for EC-cores in Table 3,
b) addition of crystallites in 4.5 and pores in 4.6.BS/EN 60424-3-2016 pdf download.