IS/QC 420102 : 1993/IEC QC 420102 : 1991-01 Varistors for Use in Electronic Equipment - Blank Detail Zinc Oxide Surge Suppression Varistors - Assessment Level E

NATIONAL FOREWORD

This Indian Standard, which is identical with IEC Pub 1051-2-2/QC 420102 ( 1991-01 ) ‘Varistors for use in electronic equipment, Part 2 : Blank detail specification for zinc oxide surge suppression varistors - Assessment level E’, issued by the International Electrotechnical Commission, was adopted by Bureau of Indian Standards on the recommeiidation of Resistors Sectional Committee and approval of the Electronics and Telecommunication Division Council.

The text of the IEC standard 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’ appear 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.