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IEC 60539-2-ed.2.0-RLV
Directly heated negative temperature coefficient thermistors - Part 2: Sectional specification - Surface mount negative temperature coefficient thermistors
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NORM herausgegeben am 19.7.2019
Informationen über die Norm:
Bezeichnung normen: IEC 60539-2-ed.2.0-RLV
Ausgabedatum normen: 19.7.2019
SKU: NS-1094198
Zahl der Seiten: 71
Gewicht ca.: 213 g (0.47 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen IEC
Kategorie - ähnliche Normen:
Die Annotation des Normtextes IEC 60539-2-ed.2.0-RLV :
IEC 60539-2:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version 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.
