Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Resistance @ 25°C:	1 kOhms
Resistance Tolerance:	±3%
Operating Temperature:	-50°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3

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Temperature Sensors - PTC Thermistors

PTC thermistors are automative sensors typically used in temperature sensing applications requiring a high degree of accuracy and stability. In the automotive industry, PTC thermistors are widely used for temperature sensing in engine compartments, fuel systems, and brakes systems, as well as many other applications.KTY23-6 is a type of PTC thermistor that is particularly useful in automotive applications requiring high accuracy and stability. It is a type of NTC thermistor, which is a temperature sensing device made of a semiconductor material, usually a ceramic-based material in a cylindrical or disc shape, that exhibits large electrical impedance changes when the temperature fluctuates.The specific characteristics of the KTY23-6 makes it ideal for automotive applications. Its temperature coefficient of resistance (TCR) is –2.2%/K, and its thermal time constant is 1 second. KTY23-6 can also operate in a range of -20℃ to 120℃, and its resistance value can range from 0.6-2.7 kΩ. KTY23-6 thermistors also have an overload voltage of 450 VAC and an overload current of 20A.The KTY23-6 thermistor also contains a highly resistive element to help counter good-to-bad temperature fluctuations. This protective element prevents abrupt changes in the temperature of the device, ensuring stability of readings.The working principle of the KTY23-6 is based on the NTC property that the electrical resistance of a material decreases as its temperature increases. The KTY23-6 thermistor is a semiconductor material composed of small grains of a ceramic-based material surrounded by an insulation matrix. As temperature increases, electrons in the grains of material become more animated and move more freely, increasing the overall electrical conductivity of the material and thus lowering its resistance.This temperature-resistance relationship can be used to measure temperature by connecting the thermistor to an external circuitry. When the thermistor is subjected to a temperature change, it produces a corresponding voltage and current which is measured in order to determine the temperature. This voltage and current can then be used to control external circuits such as relays, alarms, etc. which respond to the temperature readings.KTY23-6 thermistors have a wide variety of applications in the automotive sector, from water temperature sensors to occupant protection systems. They are also used in electric vehicles for battery protection and temperature control. They are highly reliable and accurate, making them ideal for a variety of automotive applications.

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