IEC 60738-1:2006+A1:2009 Prescribes terms and methods of test for positive step-function temperature coefficient thermistors, insulated and non-insulated types typically made from ferro-electric semi-conductor materials. It establishes standard terms, inspection procedures and methods of test for use in detail specifications for Qualification Approval and for Quality Assessment Systems for electronic components. This consolidated version consists of the third edition (2006) and its amendment 1 (2009). Therefore, no need to order amendments in addition to this publication.