09T1002JF

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NTC (Negative Temperature Coefficient) thermistors are a type of temperature sensors used to measure temperatures accurately in diverse industries. The 09T1002JF is one of the many types of NTC thermistor available on the market, and this article will discuss the application field and working principle of the sensor.

Application Field

The 09T1002JF thermistor has a temperature sensing range of -50°C to 200°C, making it applicable in a wide range of industries, due to its resistance to extreme temperatures. Of all the industries in which it is used, the 09T1002JFNTC thermistor is most commonly utilized in the automotive industry, as the sensor is used to measure coolant and oil temperature in cars.

In domestic appliances, the 09T1002JF thermistor is widely used too, especially when measuring temperatures within washing machines, dishwashers, ovens, and refrigerators. Further applications include use in medical equipment, where the thermistor is often employed in body temperature measurement devices. Additionally, the 09T1002JF is also used in power supplies, telecommunications equipment, and climate-control systems.

Working Principle

NTC thermistors and other temperature sensors rely on the principle of thermistor resistance, which states that a thermistor’s resistance to electric current changes with respect to the temperature. At room temperature, the 09T1002JF thermistor comprises a metal oxide semiconductor whose resistance deteriorates with a rise in temperature.

This signifies that the thermistor has a negative temperature coefficient (NTC), in comparison to Positive Temperature Coefficient (PTC) thermistors, whose resistance increases when the temperature rises. As the temperature continues to rise, the resistance decreases, reaching a minimum resistance value of 39.2 KΩ at 250°C. This makes the 09T1002JF thermistor sensitive to voltage changes, and hence, an ideal choice for temperature measurement in diverse industries.

For the 09T1002JF, the curvature of the resistance changes at around -50°C, when the B-value of this thermistor reaches 2150K. The B-value is a parameter utilized for accurate temperature measurement, and the higher the B-value is, the more sensitive the thermistor will be to the fluctuation of temperatures. Further, if the thermistor is connected to a constant current source, it remains linear up to 200°C, making the 09T1002JF thermistor highly accurate for room temperature and high-temperature sensing applications.

Conclusion

The 09T1002JF NTC thermistor is a versatile temperature sensor used in a variety of applications, ranging from automotive industry to medical equipment. Its working principle is based on the thermistor resistance, which states that the resistance of an NTC thermistor reduces as the temperature rises, hence signifying that the thermistor has a negative temperature coefficient. Additionally, its B-Value of 2150K makes it capable of exhibiting accurate temperature sensing after a certain temperature range. This article elucidated the application field and working principle of the 09T1002JF NTC thermistor.

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