IS/QC 260300 : 2000 : Transformers and Inductors for Use in Electronic and Telecommunication Equipment - Part 4 : Sectional Power Transformers for Switched Mode Power Supplies (SMPS) on the Basis of Capability Approval Procedure

NATIONAL FOREWORD

This Indian Standard which is identical with IEC 1248 - 4 (1996) ‘Transformers and inductors for use in electronic and telecommunication equipment - Part 4 : Sectional specification for power transformers for switched mode power supplies (SMPS) on the basis of capability approval procedure’ issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of Magnetic Components and Ferrite Materials Sectional Committee and approval of the Electronics and Telecommunication Division Council.

The text of the IEC has been approved as suitable for publication as Indian Standard without deviations. Certain conventions are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following:

a) Wherever the words ‘International Standard’appears referring to this standard, they should be read as ‘Indian Standard’.

b) Comma (,) has been used as a decimal marker while in Indian Standards, the current practice is to use a point (.) as the decimal marker.