PRF18BC471RB5RB

Series:	POSISTOR® PRF18/21
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance @ 25°C:	470 Ohms
Resistance Tolerance:	±50%
Operating Temperature:	-20°C ~ 130°C
Mounting Type:	Surface Mount
Package / Case:	0603 (1608 Metric)
Supplier Device Package:	0603 (1608 Metric)

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Introduction The PRF18BC471RB5RB is a temperature sensor used to detect temperature changes. It is designed with a PTC thermistor, which is a type of temperature-sensitive resistor. It is commonly used in a variety of applications that require temperature monitoring. Working Principle The PRF18BC471RB5RB uses a PTC thermistor to detect temperature changes. The thermistor consists of a ceramic material that is highly sensitive to temperature changes. It works by increasing its resistance as the temperature increases. The thermistor has a certain resistance which is dependent on the type of ceramic material used. When the temperature changes, the resistance of the material also changes accordingly. When temperature is applied, the resistance of the ceramic material increases exponentially, based on its temperature coefficient. This means that at higher temperatures, there is a greater resistance of the material, making the thermistor suitable for temperature monitoring. As the thermistor is exposed to higher temperatures, the greater its resistance becomes, which then can be measured to determine the ambient temperature in the environment. Application Field The PRF18BC471RB5RB can be used in a variety of applications, including industrial, medical, and automotive. In industrial settings, the thermistor can be used to measure the temperature of a particular machine or environment to ensure it maintains a safe level of heat. It can also be used to detect thermal runaway, which helps to prevent overheating of equipment.Medical applications can benefit from the PRF18BC471RB5RB as it can be used to detect temperature changes in a patient’s body during treatments and surgical procedures. The thermistor is also used in automotive applications to detect the temperature of a car engine or its brakes, to ensure that they do not overheat and cause damage.Conclusion The PRF18BC471RB5RB is an effective temperature sensor with a PTC thermistor designed to detect changes in temperature in a variety of applications. It works by increasing its resistance as the temperature increases, allowing accurate temperature monitoring. The PRF18BC471RB5RB can be used in industrial, medical, and automotive settings to measure the temperature of a particular machine or environment, as well as the temperature levels of a car engine or brakes.

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