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Temperature Sensors - NTC Thermistors

MF52F472F3470 is a temperature sensor that belongs to the category of Negative Temperature Coefficient (NTC) thermistor. This type of sensor is used to measure temperatures due to its highly sensitive nature. It is a semiconductor device, consisting of an insulator and a ceramic core made of semiconductor material.

Application Field

This type of temperature sensor is widely used in a variety of industries and is commonly employed in consumer electronics, automotive, and medical applications. It is an excellent choice for applications that require highly sensitive and fast temperature measurements. It can measure temperature changes as slight as 0.1 degrees Celsius.

In consumer electronics, this type of sensor can be utilized for device cooling system and temperature regulation of a device. This sensor can also be used in automotive applications, such as engine temperature monitoring, intake air temperature monitoring, and exhaust temperature monitoring. In medical applications, this type of sensor is used to measure body temperatures and to detect changes in temperature with a high degree of accuracy.

Working Principle

NTC thermistors are temperature-sensitive resistors that have their resistances decrease with increasing temperatures. The resistance of the MF52F472F3470 thermistor varies linearly with temperature, which makes it an easy sensor to use. The sensor can be connected to a simple voltage divider circuit or an adjustable current source for temperature measurement. Voltage divider is a simple circuit that uses two resistors, while the adjustable current source is a circuit that has a variable current source.

The voltage or current output of the circuit is directly proportional to the resistance of the thermistor. When the temperature is increased, the resistance of the sensor decreases and the output voltage or current increases. Similarly, when the temperature is lowered, the resistance of the thermistor increases and the output voltage or current of the system decreases.

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