PRF18BD471QB5RB

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Temperature sensors or thermal sensors are devices that measure temperature. PTC (positive temperature coefficient) thermistors in particular measure very small temperature changes and have a wide range of applications from industrial to medical. The PRF18BD471QB5RB is a PTC thermistor used for measurements of extremely small temperature changes.

The PRF18BD471QB5RB thermistor is specified for use at a typical operating temperature of 25°C. It has a resistance range of 1.40k to 11.00k ohms over a temperature range of –40°C to +85°C. This thermistor is characterized by its low thermal coefficient of resistance (TCR) which is approximately 25 - 50 ppm/°C over a temperature range of -25°C to +85°C. The tolerance of the nominal resistance is ±10%. Furthermore, this thermistor features a solid construction and is epoxy encapsulated and UL recognized.

The PRF18BD471QB5RB is suitable for temperature sensing and temperature compensation applications where accurate measurement of temperature is required. It is widely used in automotive, industrial, electronic, and medical applications, among other areas. In all of these areas, the PTC thermistor provides an accurate, reliable measure of temperature.

The working principle of the PRF18BD471QB5RB is based on the principle of electrochemical reaction. When temperature changes, the resistance of the thermistor changes accordingly. The resistance of this thermistor is highly temperature dependent and increases with higher temperatures. This thermistor is also self-heating and can be used to stabilize transient temperature conditions. Therefore, it has the advantage of providing fast response to temperature changes.

The PRF18BD471QB5RB can be specified with a range of lead time, mounting hardware, custom lead lengths, and other features from its manufacturer. With the use of the PTC thermistor, the PRF18BD471QB5RB provides accurate and reliable temperature measurement from –40°C to +85°C, making it an ideal solution for automotive, industrial, electronic, and medical applications.

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