175-444QBF-301

Series:	175
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Resistance in Ohms @ 25°C:	440k
Resistance Tolerance:	±5%
B Value Tolerance:	±2.1%
B0/50:	4138K
B25/50:	--
B25/75:	--
B25/85:	--
B25/100:	--
Operating Temperature:	-60°C ~ 125°C
Length - Lead Wire:	--
Mounting Type:	Surface Mount
Package / Case:	1206 (3216 Metric)

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Temperature Sensors - NTC Thermistors

A thermistor is a type of temperature sensor that is most commonly used in various applications, from consumer electronics to medical devices to industrial robotics. The most common type of thermistor is a negative temperature coefficient (NTC) thermistor. The 175-444QBF-301 NTC thermistor is a commonly used model that offers high accuracy, robust construction and easy to use mounting options.

Description

The 175-444QBF-301 is a standard size negative temperature coefficient (NTC) thermistor that is made with a robust construction and offers a high degree of accuracy. This thermistor exhibits low resistive values at temperatures below its 25°C ratings while having a high resistance at higher temperatures. Its overall excellent temperature and linearity curves make it a desirable choice for a number of applications.

Components

The 175-444QBF-301 thermistor has two components, a ceramic core and an external epoxy coating. The core is made of a nickel-alloy sintered material and is based on a main semiconductor circuit. It has a resistance of 333Ω at 25°C and is rated for operation up to around 150°C. The epoxy coating is made with a flame retardant material that helps to increase the thermistor’s strength and performance.

Applications

The 175-444QBF-301 thermistor can be used in a variety of different applications to measure temperature and provide feedback to control or monitor its changes. In consumer electronics, the thermistor is used in a variety of products such as air conditioners, refrigerators and cooking ovens to measure the ambient temperature. In medical devices, it is used in patient monitors, pacemakers, and imaging systems to measure body temperature. The thermistor can also be used in robotics applications to measure the temperatures of moving parts to ensure optimal performance.

Operation

The 175-444QBF-301 thermistor operates on the principle that when exposed to heat, the temperature of the thermistor will increase causing a change in resistance. This change in resistance is then used to measure the temperature and provide feedback. The thermistor’s simple design and robust construction make it a reliable tool for various temperature sensing applications.

Conclusion

The 175-444QBF-301 NTC thermistor is a reliable temperature sensing solution that is commonly used in a variety of applications. Its robust construction, excellent temperature and linearity curves make it a desirable choice for monitoring temperature. Its simple design and easy to use mounting options make it an ideal choice for various temperature sensing applications.

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