BS EN IEC 60539-2:2019 - Directly heated negative temperature coefficient thermistors. Sectional specification. Surface mount negative temperature coefficient thermistors

BS EN IEC 60539-2:2019

Directly heated negative temperature coefficient thermistors. Sectional specification. Surface mount negative temperature coefficient thermistors

Status : Current   Published : September 2019

Format
PDF

Format
HARDCOPY



IEC 60539-2:2019 is available as

IEC 60539-2:2019 RLV

which contains the International Standard and its Redline version, showing all changes of the technical content compared to the 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.




Standard NumberBS EN IEC 60539-2:2019
TitleDirectly heated negative temperature coefficient thermistors. Sectional specification. Surface mount negative temperature coefficient thermistors
StatusCurrent
Publication Date30 September 2019
Normative References(Required to achieve compliance to this standard)IEC 60068-2-78, EN 60068-2-2:2007, IEC 60068-2-58 Amd.1 Ed.4.0, IEC 61193-2 Ed.1.0, EN 60539-1:2016, IEC 60068-2-2:2007, EN 60068-2-58:2015, IEC 60068-2-14:2009, EN 61193-2:2007, EN 60068-2-14:2009, EN 60068-2-58:2015/A1:2018, IEC 60068-2-58:2015, IEC 60539-1:2016
Informative References(Provided for Information)No other standards are informatively referenced
ReplacesBS EN 60539-2:2004+A1:2010
International RelationshipsEN IEC 60539-2:2019,IEC 60539-2:2019
Draft Superseded By18/30362994 DC
DescriptorsTemperature coefficient of resistance, Resistors, Thermistors, Surface mounting, Specifications, Printed-circuit boards, Electronic equipment and components, Electric connectors, Semiconductor resistors, Soldered connectors, Semiconductor devices
ICS31.040.30
Title in FrenchThermistances à coefficient de température négatif à chauffage direct Spécification intermédiaire - Thermistances à coefficient de température négatif pour montage en surface
Title in GermanDirekt geheizte temperaturabhängige Widerstände mit negativem Temperaturkoeffizienten Rahmenspezifikation - Oberflächenmontierbare temperaturabhängige Widerstände mit negativem Temperaturkoeffizienten
CommitteeEPL/40X
ISBN978 0 580 99104 2
PublisherBSI
FormatA4
DeliveryYes
Pages28
File Size1.406 MB
Price£182.00


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