PRF18BB471QB1RB

Series:	POSISTOR® PRF18/21
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Resistance @ 25°C:	470 Ohms
Resistance Tolerance:	±50%
Operating Temperature:	-20°C ~ 140°C
Mounting Type:	Surface Mount
Package / Case:	0603 (1608 Metric)
Supplier Device Package:	0603 (1608 Metric)

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PTC thermistors, also known as Positive Temperature Coefficient (PTC) thermistors, are temperature sensors that can be used to accurately measure temperature in various applications. They are made of a mix of metal oxide and a conductive polymer, and measure temperature through a change in electrical resistance. The PRF18BB471QB1RB is a popular PTC thermistor used in many applications. It has a temperature sensing range of -55℃～125℃, an accuracy of ±1℃, and a resistance range of 4.0kΩ～27.5kΩ. Its size is 10x25x9mm and it has a standard M3 screw thread, making it easy to install in most applications. It is also UL approved and meets the RoHS standards for environmental safety. The PRF18BB471QB1RB can be used in a variety of applications. It is often found in temperature measurement, as it is able to accurately measure temperatures in a range of industrial and consumer applications. In HVAC systems it can be used to monitor room temperature, and it is commonly used in refrigeration systems to keep food and beverages safe. It is also often used in medical applications, such as monitoring body temperature or the temperature of liquids used in medical equipment. The working principle of the PRF18BB471QB1RB is based on the property of temperature-dependent resistors, more specifically PTC thermistors. When the temperature of the PTC thermistor changes, its resistance changes accordingly. As the temperature increases, its resistance increases. Conversely, as the temperature decreases, its resistance decreases. PTC thermistors are known for their accurate measurement of temperature, the PRF18BB471QB1RB is no exception. The PRF18BB471QB1RB can be used for various applications with its accuracy, temperature sensing range, and other desirable characteristics. It is a reliable choice for temperature measurement as it can accurately measure a wide range of temperatures in many different applications. Its size and standard M3 screw thread make it easy to mount and install, and its UL approval and RoHS compliance means it meets the highest safety standards. As a result, the PRF18BB471QB1RB is the ideal choice for temperature measurement in a variety of different applications.

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