B57421V2223H062

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance in Ohms @ 25°C:	22k
Resistance Tolerance:	±3%
B Value Tolerance:	±3%
B0/50:	--
B25/50:	3940K
B25/75:	--
B25/85:	3980K
B25/100:	4000K
Operating Temperature:	-55°C ~ 125°C
Power - Max:	210mW
Length - Lead Wire:	--
Mounting Type:	Surface Mount
Package / Case:	0805 (2012 Metric)

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Introduction

B57421V2223H062 is a NTC Thermistor temperature sensor that is widely used in a variety of applications because of its reliability and accuracy. It senses the temperature changes in its environment and produces an output. This output can then be used to "sense" the temperature changes and cause corresponding action/reaction. This thermistor is a type of variable resistor, which means that its resistance value changes with changes in the ambient temperature.

Application Fields

NTC thermistors are commonly used to measure, sense, control, and regulate temperatures. These thermistors are widely used in home and industrial applications such as refrigerators, air conditioners, and heating systems. It is also used in automobiles, medical devices, and a variety of electronic devices. In addition, these thermistors are also used in temperature measurement and control applications in power conversion, photovoltaics, industrial automation, and consumer products.

Another popular application of B57421V2223H062 thermistor is in hot and cold junction temperature measurement. It is often used in thermometric measurements where the thermistor senses the hot or cold junction temperature and generates a voltage signal that is proportional to the temperature. This type of thermistor can also be used in microprocessors and other integrated circuits to sense the ambient temperature and provide accuracy in temperature control.

Working Principle

NTC thermistors are constructed of a ceramic material with a metallic oxide, which is bonded to its surface. The metallic oxide has a negative temperature coefficient, which means that its electrical resistance decreases as the temperature of the environment increases. This causes the resistance of the thermistor to decrease with higher temperatures. The decrease in resistance can then be measured. In other words, when the environment’s temperature increases, the thermistor’s resistance value decreases, and vice versa, providing a reliable and accurate means of sensing temperature changes.

Another important characteristic of thermistors is that their temperature coefficients are non-linear, which means that the resistance change is not proportional to the temperature change. This is why NTC thermistors are usually used in combination with a voltage reference and a resistor divider network. This allows the output to be translated into a voltage signal that is proportional to the temperature changes.

Conclusion

B57421V2223H062 NTC thermistor is a reliable and accurate temperature sensor. Its application fields range from consumer products to industrial automation. It works on a principle such that, as the temperature increases, the resistance value of the thermistor decreases. This allows the output to be translated into a voltage signal that is proportional to the temperature changes. This makes the NTC thermistor a popular choice for temperature sensing and control applications.

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