B57891S0104H008

Series:	--
Packaging:	Bulk
Part Status:	Active
Resistance in Ohms @ 25°C:	100k
Resistance Tolerance:	±3%
B Value Tolerance:	±1%
B0/50:	--
B25/50:	--
B25/75:	--
B25/85:	--
B25/100:	4450K
Operating Temperature:	-55°C ~ 155°C
Power - Max:	200mW
Length - Lead Wire:	--
Mounting Type:	Through Hole
Package / Case:	Disc, 4.5mm Dia x 4.5mm W

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Introduction

NTC thermistors, i.e. Negative Temperature Coefficient Thermistors, form a type of semiconductor temperature sensors. As a class of temperature sensing devices, NTC thermistors are widely used in various applications ranging from automotive to medical. Usually a small size, NTC thermistors offer a rapid response, good accuracy and reliable performance, which makes them suitable for temperature measuring applications in various fields.

B57891S0104H008 Application Field and Working Principle

B57891S0104H008 is a negative temperature coefficient thermistor developed by the EPCOS company. It is suitable for applications such as controlling and monitoring, especially in the field of temperature controls. It features low frequency and stable precision, making it an ideal temperature sensing device for most temperature measuring and controlling applications.The B57891S0104H008 consists of a combination of ceramics, metal oxide, and wire lead. Its working principle rests upon the fact that when the temperature rises, the resistance of the NTC thermistor decreases. This particular NTC thermistor is composed of two fixed terminals. When exterior temperature changes, the electrical resistance between the two terminals also changes. Therefore, it can be used to measure temperature accurately, albeit within a limited temperature range.It has a measuring range of - 55℃ to 150℃, with an encapsulation grade of IP00. Through a certain current, it can sense the temperature and convert the temperature into an electrical signal. This signal can further be processed by a temperature controller as a kind of input to execute its control algorithm, thereby automatically adjusting the temperature of the environment.

Conclusion

The B57891S0104H008 NTC thermistor has very wide application fields and its working principle is also quite simple. It has become a popular choice in temperature measuring and controlling applications in the automobile, medical, and other fields due to its good accuracy, reliable performance, and small size. In short, this temperature sensor can be used to accurately measure temperature and provide an effective signal to the temperature controller to make automatic adjustments in order to maintain the desired setpoint.

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