NHQT104B425R5

Series:	NHQ
Packaging:	Bulk
Part Status:	Active
Resistance in Ohms @ 25°C:	100k
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:	0402 (1005 Metric)

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Temperature Sensors - NTC Thermistors

Temperature sensors play an important role in many industries, such as automotive, appliance, and medical devices. One of the most common types of temperature sensors is the NTC thermistor, or Negative Temperature Coefficient Thermistor. NTC thermistors are semiconductor devices that work on the principle of thermally sensitive resistance.The NHQT104B425R5 is a typical example of an NTC thermistor. It is constructed from a bead of ceramic material that is then coated with a metal oxide layer. This layer is sensitive to changes in temperature, which cause a corresponding change in the resistance of the thermistor. This change in resistance is what is used to detect the temperature being measured.When the thermistor is heated, the resistance decreases. Conversely, as it cools, the resistance increases. This relationship between temperature and resistance is referred to as the thermistor\'s "B-value". The B-value of the NHQT104B425R5 is 4.25K, which means that for every 1 Kelvin increase in temperature, the resistance of the thermistor decreases by 4.25Ω.The most common application of the NHQT104B425R5 is for temperature measurement and control. It is often used to detect changes in temperature in appliances, medical devices, and even in automotive engines. The thermistor is typically connected to an analog input in a device or system, with the resistance of the thermistor being read and processed by the device or system.The NHQT104B425R5 is also commonly used for thermal protection, where it is used to detect excessive temperatures. When a certain temperature level is reached, the thermistor trips, activating a device or system in order to protect other critical components from overheating.The NHQT104B425R5 is a highly reliable and accurate NTC thermistor, with a wide operating range of -40°C to 125°C. It is easily implemented into any temperature sensing circuit, and has a long life expectancy, making it an ideal choice for many temperature sensing applications.

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