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Article | REF: E2080 V2

Non linear resistors, Thermistors

Authors: Alain BEAUGER, Alain LAGRANGE

Publication date: February 10, 2015

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2. NTC thermistors

2.1 Conductivity origin

Negative temperature coefficient thermistors (NTCs) are semiconducting ceramic materials, most often crystallizing in the form of a spinel structure, as shown in figure 3 . The elementary crystal lattice is made up of octahedral and tetrahedral crystallographic sites with oxygen ions at the apexes.

Elementary mesh of the spinel structure AB2O4
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NTC thermistors
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