NCP21XV103J03RA Sensors, Transducers

Series:	NCP21
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance in Ohms @ 25°C:	10k
Resistance Tolerance:	±5%
B Value Tolerance:	±3%
B0/50:	--
B25/50:	3900K
B25/75:	--
B25/85:	3934K
B25/100:	3944K
Operating Temperature:	-40°C ~ 125°C
Power - Max:	200mW
Length - Lead Wire:	--
Mounting Type:	Surface Mount
Package / Case:	0805 (2012 Metric)

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Temperature Sensors - NTC Thermistors are widely applied in a variety of industrial and home appliances. Among these products, NCP21XV103J03RA is one of the most common and popular ones. This article is designed to give an overview of its application fields and working principles. NCP21XV103J03RA is a Negative Temperature Coefficient (NTC) thermistor, which plays a critical role in thermal control circuit designs, condition monitoring and automotive systems. Specifically, its application fields can be divided into two categories. The first one is the thermal control system. In this kind of system, NCP21XV103J03RA can be used to detect temperature changes and send a signal to the corresponding module for corrective action; such as, stopping the engine due to excessive temperature. The second application field of NCP21XV103J03RA is motor temperature measurement in cars and commercial vehicles. It can measure the temperature of the motor itself as well as that of the surrounding environment, such as the cooling fluid level. Given its diverse applications, it is essential to understand the working principle of NCP21XV103J03RA. It consists of a ceramic core and two metal electrodes, which can sense the temperature in the surrounding environment with the help of thermistor effect. According to the thermistor effect, when the temperature of NCP21XV103J03RA increases, the resistance value of the ceramic core decreases exponentially. Conversely, when the temperature decreases, the resistance value increases exponentially. Besides, the magnitude of the resistance change is dependent on the properties of the ceramic core, which is uniquely designed for various applications. Moreover, NCP21XV103J03RA also features a wide operating temperature range (from -40°C to 125°C) and excellent insulation characteristics. As a result, it is able to accurately detect, monitor and control temperature changes in a wide range of conditions. It also allows for easy integration into various circuits, making it a popular choice in temperature measurement systems. The most important advantage of NCP21XV103J03RA is its low cost, making it one of the most cost-effective temperature sensors today. All in all, Temperature Sensors - NTC Thermistors, especially NCP21XV103J03RA, are essential parts of thermal control, condition monitoring and automotive systems. With the help of their wide operating temperature range and excellent insulation characteristics, they can precisely detect temperature changes and trigger corrective actions. Furthermore, their low cost makes them one of the most sought-after temperature sensors on the market.

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