NHQM154B425T5

Series:	NHQ
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance in Ohms @ 25°C:	150k
Resistance Tolerance:	±5%
B Value Tolerance:	±5%
B0/50:	--
B25/50:	--
B25/75:	--
B25/85:	4250K
B25/100:	--
Operating Temperature:	-40°C ~ 125°C
Length - Lead Wire:	--
Mounting Type:	Surface Mount
Package / Case:	0805 (2012 Metric)

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Temperature Sensors - NTC Thermistors

NTC Thermistors are thermally sensitive resistors whose resistance decreases with increasing temperature. Generally, all these NTC thermistors consist of a ceramic or glass body containing multiple resistive elements. The NHQM154B425T5 is a thermistor specifically designed for high dynamic response in temperature sensing.

Application Field of NHQM154B425T5

NHQM154B425T5 is most commonly used to measure temperature in various applications such as in HVAC systems, industrial machinery, medical equipment, consumer electronics, and automotive applications. It is also suitable for use in humidity and flow measurements, where its temperature sensitivity is advantageous. Additionally, it has a wide operating temperature range from -40°C up to 150°C. Furthermore, it has fast response times and good repeatability.

Working Principle of NHQM154B425T5

NTC thermistors work on the principle of negative temperature coefficient (NTC), which states that the resistance of the material decreases as the ambient temperature increases. The NHQM154B425T5 is designed to adhere to this principle by having an internal polymer material that exhibits a resistive element, and when exposed to temperature changes, causes a change in the resistance itself. The thermistor has no active components and is inherently a passive device. It has simple construction, and measures thermal parameters in electronic circuits. The NHQM154B425T5 has four pins, of which the main two pins are the Referring and Sensing pins. The Referring pin creates a reference point of voltage for sensing, and the Sensing pin measures the actual resistance change due to temperature changes. As the surrounding temperature increases, the resistance of the NTC thermistor will decrease. This resistance change is measured by the Sensing pin, and the result is then sent to the Referring pin, thus providing a temperature reading.

Advantages of NHQM154B425T5

The main advantages of the NHQM154B425T5 include its wide operating temperature range, simple operation and fast response times. Also, it is highly reliable, repeatable and accurate, and does not require any external components for operation. Finally, it is cost effective compared to other temperature measurement devices, and provides high accuracy over a wide temperature range.

Conclusion

In conclusion, the NHQM154B425T5 is a high performing thermistor that is capable of measuring temperature with fast response times and high accuracy. It is widely used for a variety of applications, such as HVAC systems, industrial machinery, medical equipment, consumer electronics, and automotive applications. The thermistor works on the principle of negative temperature coefficient, which states that the resistance of the material decreases as the ambient temperature increases. The NHQM154B425T5 has several advantages, such as quick operation, wide temperature range, cost effectiveness and accuracy.

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