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Publication details

Publication CODE Title
IEC 60539-2:2019 RLV (2019-07) DIRECTLY HEATED NEGATIVE TEMPERATURE COEFFICIENT THERMISTORS - PART 2: SECTIONAL SPECIFICATION - SURFACE MOUNT NEGATIVE TEMPERATURE COEFFICIENT THERMISTORS
 
Price Excl. VAT Total number of pages, tables and drawings
207.00 € 71.
Description
IEC 60539-2:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version is not an official document, it is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.

IEC 60539-2:2019 is applicable to surface mount directly heated negative temperature coefficient thermistors, typically made from transition metal oxide materials with semiconducting properties. These thermistors have metallized connecting pads or soldering strips and are intended to be mounted directly on to substrates for hybrid circuits or on to printed boards.
This edition includes the following significant technical changes with respect to the previous edition:
a) revision for the structure in accordance with ISO/IEC Directives, Part 2:2016 (seventh edition) to the extent practicable, and for harmonizing with IEC 60539-1:2016;
b) the upper category temperatures of 175 °C, 200 °C, 250 °C, 315 °C, 400 °C in Table 1 have been added;
c) the dimensions of 0402M in Annex A have been added.
Class  C990  (IEC PUBLICATIONS IEC PUBLICATIONS)
Available files
EN version

Status
Status IEC PUBLICATION
Situation Currently active
Origin
Committee TC 40
CAPACITORS AND RESISTORS FOR ELECTRONIC EQUIPMENT
Responsible Ir DELENS Marc
Approval
BEC Approval 2019-07-19
ICS-Code (International Standards Classification) 31.040.30
NBN Status New
IEC publication date 2019-07-19
IEC stability date 2027-12-31
IEC file modification date 2019-07-19
IEC last modification date 2019-07-19