B57421V2102H062

Resistance in Ohms @ 25°C:	1k
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)
Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active

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Temperature Sensors - NTC Thermistors

NTC Thermistors are temperature sensors with a negative temperature coefficient (NTC) of resistance. NTCs can be used to measure a wide range of temperature ranges, typically ranging from -40 to +250°C (-40 to +482°F). The B57421V2102H062 is one of the most widely used NTC thermistors in the market, due to its accurate temperature control and wide temperature range.

Application Field

The B57421V2102H062 is typically used in industrial control, temperature measurement, and process control applications. Its accurate temperature control and wide temperature range allow precise monitoring and measurement of temperatures for a wide range of processes, from electronic equipment to air conditioning systems to automotive applications. It is also widely used in medical devices, such as thermometers, as well as in monitoring and controlling personal and household appliances.

Working Principle

NTC thermistors are thermally sensitive resistors made of a sintered semiconductor bead material. As the temperature changes, the resistance of the thermistor changes. The B57421V2102H062 is an NTC type thermistor, meaning that as the temperature increases, the resistance decreases. At a given temperature, the resistance of the thermistor is known, and can be used to calculate the temperature of the device it is measuring.In the B57421V2102H062, the resistance is sensed by passing a known current through the thermistor. This current flow is used to determine the resistance and thus the temperature of the device. The thermistor is connected to a circuit such as a bridge circuit or voltage divider circuit. An amplifier is then used to amplify the voltage drop across the thermistor to a usable level. This amplified voltage is then used by the microcontroller or processor to determine the temperature accurately.

Conclusion

The B57421V2102H062 NTC thermistor is an accurate and reliable temperature sensor that is commonly used in a wide variety of applications. Its accurate temperature measurement and wide temperature range make it an ideal choice for a variety of applications, from industrial and medical equipment to air conditioning systems and other home appliances. Its working principle involves sensing the resistance of the thermistor through current flow and then amplifying the voltage drop across the thermistor using an amplifier for precise temperature measurement.

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