What devices are called thermistors (thermistors) and what are they used for?

Thermistors are a semiconductor device whose electrical resistance changes depending on its temperature. Thermistors with a working point set on the linear section of the I – V characteristic are used to control temperature changes and compensate for parameters (electric voltage or electric current) of electrical circuits that have arisen due to temperature changes. Thermistors with an operating point set on the downstream section of the VLH (with “negative resistance”) are used as starting relays: time relays, in systems and measurement and control of the power of electromagnetic and radiation at ultrahigh frequencies (or microwave), thermal control systems and fire alarm systems, in installations for regulating the flow of liquid and bulk media.

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