B57551G1303H005

Series:	--
Packaging:	Bulk
Part Status:	Active
Resistance in Ohms @ 25°C:	30k
Resistance Tolerance:	±3%
B Value Tolerance:	±1%
B0/50:	--
B25/50:	--
B25/75:	--
B25/85:	3973K
B25/100:	3988K
Operating Temperature:	-55°C ~ 200°C
Power - Max:	32mW
Length - Lead Wire:	2.65" (67.30mm)
Mounting Type:	Through Hole
Package / Case:	Bead, Glass

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Introduction

NTC Thermistors are temperature sensors that are made of ceramic materials that exhibit a significant change in electrical resistance when temperature changes occur. The B57551G1303H005 is a thermistor of this type and it is used in a variety of applications to measure and/or control temperatures that range from -40°C to +125°C.

Application Field

The B57551G1303H005 is used in many applications, including industrial systems, consumer products, HVAC systems, building automation systems, medical equipment, communications equipment, automotive systems and other applications that require precise temperature measurement and/or control. In particular, this type of thermistor is well-suited for applications that require short response times, such as automobile air conditioning systems, because it is able to rapidly adjust to changes in temperature.Thermistors are also used in many consumer products, such as hair dryers and refrigerators. In these applications, the thermistor is used to detect the temperature of the environment and to regulate the temperature to a desired set point.

Working Principle

The working principle of the B57551G1303H005 thermistor is based on a temperature-dependent resistance characteristic. The resistance of the thermistor decreases when the temperature increases, and vice versa.When power is applied to the thermistor, the current that flows through the thermistor produces heat energy. As the temperature of the thermistor increases, the resistance of the thermistor decreases. This decrease in resistance enables more current to flow through the thermistor, which leads to an even greater increase in temperature. This process is known as self-heating, due to the fact that the thermistor “heats itself” when current passes through it.In order to measure or control temperatures accurately, the thermistor’s behavior must be precisely characterized. This is usually accomplished by measuring the resistance of the thermistor over a wide range of temperatures and fitting the resulting data to a model or lookup table that describes the thermistor’s behavior over time.

Conclusion

The B57551G1303H005 is a thermistor that is used for temperature measurement and/or control applications. It exhibits a temperature-dependent resistance characteristic, which makes it well-suited for applications that require short response times. In order to accurately measure or control temperatures, the thermistor’s characteristics must be precisely characterized by measuring its resistance over a wide range of temperatures and fitting the resulting data to a model or lookup table.

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