[Superseding IS 15867(Part 1) : 2009]

New Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 1) which is iidentical with IEC 63093-1 : 2020 ‘Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 1: General specification’ issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendations of the Magnetic Components, Ferrite Materials, Piezoelectric and Frequency Control Devices Sectional Committee and approval of the Electronics and Information Technology Division Council.

IS 15867 (Part 1) : 2010, published in February 2010, was identical to IEC 60424-1 : 1999 “Ferrite cores - Guide on the limits of surface irregularities - Part 1: General specification”. IEC 60424-1 : 1999 has been replaced with IEC 63093-1 : 2020.