Series:	NHQ
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Resistance in Ohms @ 25°C:	100
Resistance Tolerance:	±5%
B Value Tolerance:	±5%
B0/50:	--
B25/50:	--
B25/75:	--
B25/85:	2800K
B25/100:	--
Operating Temperature:	-40°C ~ 125°C
Length - Lead Wire:	--
Mounting Type:	Surface Mount
Package / Case:	1206 (3216 Metric)

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Temperature Sensors - NTC Thermistors

NTC thermistors are a class of temperature sensors that use resistance to measure temperature with changes in electrical resistance. The NHQ101B280T5 model is a type of NTC thermistor and although this model is fairly standard, thermistors are custom-made to purchase specific sets of temperature sensors.

Overview of NHQ101B280T5 Thermistor

The NHQ101B280T5 thermistor is a radial-leaded, chip-type thermistor. Typically, the resistance of this thermistor is rated for specified temperatures ranging from -50°C to +150°C. The thermistor has a nominal resistance of 10K Ohms and this resistance changes significantly as the temperature fluctuates. This thermistor is suitable for a broad range of applications, due to its small size, and low cost.

Applications of NHQ101B280T5 Thermistor

The NHQ101B280T5 thermistor is used in a variety of applications, most notably in appliances, automotive, industrial and medical equipment. For instance, it can be used in motorized appliances for temperature control. Similarly, it can be used in equipment to help detect over-temperature conditions. In machines where the temperature needs to be monitored as it can be used to help determine the operation of the machine or sensing temperature.The NHQ101B280T5 thermistor can also be used to help detect the temperature in various types of liquids, such as water in a bathtub or the temperature of oil in a car engine. It is also used in medical equipment for the same purpose, where accurate temperature sensing is important.

Working Principle of NTC Thermistors

NTC thermistors rely on the PTC (positive temperature coefficient) effect for temperature sensing. This effect is due to the conductivity of some materials, which increases with an increase in temperature. The resistance of the thermistor will change in proportion to the temperature. As temperatures increase, the resistance of an NTC thermistor will decrease. This is because, as temperatures increase, electrons are freed up which increases the conductivity of the material and thus the resistance decreases. Conversely, as temperatures decrease, electrons are less free and thus the conductivity decreases and the resistance increases. The exact relationship between temperature and resistance is very complex and usually requires different models to be used for more accurate results.

Conclusion

NTC thermistors are widely used due to the wide range of applications they are suitable for, including temperature control, temperature detection, and liquid temperature monitoring. The NHQ101B280T5 thermistor is a chip-type thermistor suitable for a broad range of applications, due to its small size, and low cost. This thermistor relies on the PTC (positive temperature coefficient) effect for temperature sensing, whereby the resistance of the thermistor will change in proportion to the temperature.

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