112-102EAJ-H01

Series:	112
Packaging:	Bulk
Part Status:	Active
Resistance in Ohms @ 25°C:	1k
Resistance Tolerance:	±20%
B Value Tolerance:	--
B0/50:	--
B25/50:	--
B25/75:	--
B25/85:	--
B25/100:	--
Operating Temperature:	-60°C ~ 300°C
Length - Lead Wire:	0.38" (9.60mm)
Mounting Type:	Free Hanging
Package / Case:	Bead, Glass

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Temperature Sensors - NTC Thermistors

Thermistors are temperature sensors that have a specific resistance value depending on the temperature; NTC thermistors are most common. When the ambient temperature increases, the resistance decreases in an NTC thermistor, whereas the resistance increases in a PTC (positive temperature coefficient) thermistor.The 112-102EAJ-H01 is an NTC thermistor from STMicroelectronics. It\'s a formed chip device designed for wide-range temperature measurements and suitable for use in a wide range of circuits.Application Field of the 112-102EAJ-H01The temperature range of the 112-102EAJ-H01 is from -40°C to 125°C, so the application field encompasses a wide variety of uses. These include those in sectors such as the automotive, industrial, and consumer applications, as well as medical and telecoms. Typical applications for the 112-102EAJ-H01 include temperature monitoring and control systems, over-temperature protection circuits, and thermal compensation circuits. The device is also well-suited to temperature detection and switch circuits, as well as those used for temperature sensing and compensation.112-102EAJ-H01 Working PrincipleThe 112-102EAJ-H01 works on the principle of a thermistor. As the temperature changes, the resistance changes accordingly. The device is constructed of a base of aluminium oxide, with two layers of nickel and cobalt, and a gold-plated nickel casing. The temperature coefficient between resistance and temperature of this device is between -3.8 and -4.7 %/°C. The device is a chip type that is composed of a variation in its resistance value to detect changes in temperature. When the thermistor is placed in a circuit, its resistance value changes depending on the temperature, causing the output to fluctuate within the desired temperature range. This makes the device suitable for a variety of uses, as it can detect and relay a range of temperatures.ConclusionThe 112-102EAJ-H01 from STMicroelectronics is a versatile thermistor that is suitable for a range of applications across sectors such as automotive, industrial, and consumer. The device has a temperature range of -40°C to 125°C, and its temperature coefficient between resistance and temperature of -3.8 to 4.7 %/°C makes it perfect for temperature monitoring and control, thermal compensation, and protection. In conclusion, the 112-102EAJ-H01 is an excellent and reliable choice for wide-range temperature measurement.

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