B57971S0202F000

Series:	--
Packaging:	Bulk
Part Status:	Active
Resistance in Ohms @ 25°C:	2k
Resistance Tolerance:	±1%
B Value Tolerance:	±1%
B0/50:	--
B25/50:	--
B25/75:	--
B25/85:	--
B25/100:	3560K
Operating Temperature:	-55°C ~ 155°C
Power - Max:	60mW
Length - Lead Wire:	1.42" (36.00mm)
Mounting Type:	Through Hole
Package / Case:	Bead

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Introduction:

B57971S0202F000 is a temperature sensor that belongs to the family of NTC thermistors. NTC thermistors are electrical resistors that have a resistance that decreases with the increase of the temperature. B57971S0202F000 has an integrated, asymmetric design with up to 6 pins. This thermistor features a 0.2 mm gap and offers an operating temperature range of -40 °C to 150 °C.

Application fields:

B57971S0202F000 is widely used in various fields, such as automotive, home appliances, industrial, and medical applications. In automotive applications, this thermistor is used to accurately measure the temperature of the electric motor that is used to power some of the features in a car, such as power windows, sunroof, etc. The reason why thermistors are used instead of other temperature sensors is because they are cheaper, small, and offer fast response time. On the home appliance front, it is used in many applications such as refrigerators, air conditioners, dishwashers, washing machines, etc. The thermistor here provides accurate temperature control for these home appliances, ensuring that the every day tasks are completed in an efficient manner.In industrial applications, B57971S0202F000 is used in equipment such as furnaces, filter systems, and plant automation. It helps to monitor the temperature of the steel during the production process to maintain tight temperature control. It is also used in medical applications, such as heating matrices and heating blankets, where accurate temperature measurement and control is essential.

Working principle:

The working principle of a NTC thermistor is based on the principle of resistivity. Generally speaking, when a material is heated, its resistance decreases. This is because the atoms in the material start to vibrate more due to the increase in temperature, which in turn decreases the resistance of the materials. In B57971S0202F000, a ceramic material is used that exhibits a larger sensitivity to temperature change. This NTC thermistor uses a metal oxide element that contains grain boundaries. The resistance decreases drastically when the temperature rises very quickly because of the increase in conduction through the grain boundaries.The thermistor also has the ability to self-regulate. This means that when it detects a sudden temperature rise, it reduces its own resistance. That means the temperature of the material will reduce quickly and the thermistor will restore its resistance back to normal. This feature makes it ideal for applications that require fast reaction time and accurate temperature control.

Conclusion:

In conclusion, B57971S0202F000 is a temperature sensor that belongs to the family of NTC thermistors. This thermistor features a 0.2 mm gap and offers an operating temperature range of -40 °C to 150 °C. It is widely used in automotive, home appliance, industrial, and medical applications for accurate temperature measurement and control. The working principle of the thermistor is based on the principle of resistivity, where the resistance decreases when the temperature rises. It also has the ability to self-regulate, making it ideal for applications that require fast reaction time and accurate temperature control.

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