IEC 60393-6:2015 applies to surface mount preset potentiometers for use in electronic equipment. This part of IEC 60393 prescribes preferred ratings and characteristics and selects from IEC 60393-1, the appropriate quality assessment procedures, tests and measuring methods, and it gives general performance requirements for this type of potentiometers. This standard gives the minimum performance requirements and test severities. This edition includes the following significant technical changes with respect to the previous edition:
a) revision of the information on the assessment level EZ (zero nonconforming);
b) complete editorial revision.

This publication is to be read in conjunction with IEC 60393-1:2008.