Principles of designing high-current semiconductor thermistors
https://doi.org/10.46973/0201-727X_2025_1_141
Abstract
The connection of the design feature of high-current semiconductor thermistors (SCT) with some characteristics of the material of their body is considered. The purpose of this research is to study the non-uniform temperature field in the mass of a thermistor, since under certain conditions this can affect the stability of its operation. The results obtained confirm the position that the temperature gradients in the semiconductor mass of the thermistor obey a linear law both with respect to current and with respect to the distance from the axis of the thermistor. As a result of the research, the theoretical statement that temperature gradients are determined only by design parameters has been confirmed. As a consequence, coaxial type thermistors meet the basic requirements for improving the reliability of the SCT.
About the Author
N. P. Voronova
Rostov State Transport University (RSTU)
Russian Federation
Russian Federation
Voronova Natalya Pavlovna, Chair “Theoretical Foundations of Electrical Engineering”, Candidate of Engineering Sciences, Associate Professor
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For citations:
Voronova N.P. Principles of designing high-current semiconductor thermistors. Vestnik Rostovskogo Gosudarstvennogo Universiteta Putej Soobshcheniya. 2025;(1):141-150. (In Russ.) https://doi.org/10.46973/0201-727X_2025_1_141
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