KTY81/110,112

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A thermistor is a temperature sensing device which is made by mixing a conductive material with a resistor. PTC thermistors are composed of a positively temperature coefficient (PTC), which is usually a ceramic mixture containing a conductive metal oxide. They are used in a wide variety of applications, such as temperature sensing, current monitoring, motor protection, and lighting control.

The KTY81/110 and KTY112 are two popular PTC thermistors that are primarily used for temperature sensing. They are manufactured by Siemens and are available in two different grades: Standard and Low-noise. Both types feature a negative temperature coefficient (NTC), which is designed to measure changes in temperature. The KTY81/110 and KTY112 differ in their overall resistance and accuracy, where standard grade models offer better accuracy and have a higher resistance.

The KTY81/110 and KTY112 are generally used in applications where frequent temperature changes require accurate measurements. For example, these thermistors can be used in industrial ovens and other temperature-controlled environments, as well as in heating and cooling systems. In addition, both models are available in two different packages - the SU38A package for the KTY81/110 and the SU43A package for the KTY112 -, which make them suitable for a wide variety of applications.

The working principle of the KTY81/110 and KTY112 is relatively simple. When a temperature change is detected, the PTC thermistor produces a small voltage signal proportional to the temperature change. This voltage signal is then sent to the measuring device, which then determines the temperature of the environment. As the temperature changes, the resistance of the thermistor will change, and the voltage signal will correspondingly change.

Overall, the KTY81/110 and KTY112 are reliable and accurate temperature sensing devices suitable for a wide variety of applications. With their NTC design, they allow for precise measurements of temperature changes and are easy to install. In addition, both models are available in two different packages, making them suitable for both indoor and outdoor use. As such, they are excellent choices for temperature sensing in industrial, commercial, and residential settings.

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