Series:	Neohm
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance in Ohms @ 25°C:	3.3k
Resistance Tolerance:	±5%
B Value Tolerance:	±5%
B0/50:	--
B25/50:	--
B25/75:	--
B25/85:	--
B25/100:	--
Operating Temperature:	-55°C ~ 125°C
Power - Max:	125mW
Length - Lead Wire:	--
Mounting Type:	Surface Mount
Package / Case:	0805 (2012 Metric)

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Temperature Sensors - NTC Thermistors

Novel semiconductor materials have provided today\'s engineers with a variety of options when it comes to temperature sensing solutions. NTC thermistors are an example of one such solution that has become increasingly popular in industrial applications. The NTC (negative temperature coefficient) thermistor is a type of resistor whose electrical resistance decreases with an increase in temperature. The NTC thermistor\'s relatively simple design and low cost make it an ideal choice for a wide range of temperature sensing tasks. This article will focus on the specifics of one thermistor type - the NTC 0805 J3K3 - and discuss its applications and working principles.

What is an NTC 0805 J3K3 Thermistor?

The NTC 0805 J3K3 thermistor is a two-terminal, epoxy-mountable, surface-mountable thermistor offering high accuracy and precision temperature measurement in small form factors. This thermistor typically measures 0.8 Ω at room temperature. The resistance of this thermistor decreases as the temperature rises, and it has a high sensitivity rating of 15 Ω/K between 25-85°C.

Application Field

The NTC 0805 J3K3 thermistor is designed for applications that require accurate and reliable temperature sensing. It is typically used in electronic devices, including HVAC systems, mobile phones, air conditioners, refrigerators, automobiles, and any device that needs to detect and regulate temperature. The NTC 0805 J3K3 thermistor is also often used in industrial settings, such as in the process control industry, to measure and regulate temperature. It is also used in ovens to ensure consistent temperature monitoring and control. The NTC 0805 J3K3 thermistor is also popular in medical settings due to its high accuracy and precision.

Working Principle

The NTC 0805 J3K3 thermistor operates on the principle that the resistance of the device decreases when the ambient temperature rises. This resistance decrease is caused by the increase in kinetic energy as molecular movement increases with a rise in temperature. When the unit is exposed to a temperature change, this resistance decrease is registered by the circuit and a voltage change is sent as an output. This voltage change is then converted into a temperature reading that can be read by engineers to monitor and regulate the temperature of the environment.

Benefits of NTC 0805 J3K3 Thermistors

The NTC 0805 J3K3 thermistor offers several advantages when compared to other temperature sensing solutions. The first is its precision and accuracy. Due to its high sensitivity rating of 15 Ω/K between 25-85°C, it is much more accurate and precise than other thermistor models. The NTC 0805 J3K3 thermistor is also cost-effective and easy to install. Its low profile and compact design allow it to be mounted anywhere, making it a great choice for tight or hard-to-reach spots. Additionally, its epoxy mounting mechanism and two-terminal design allow it to be quickly and easily installed and removed. The NTC 0805 J3K3 thermistor also offers reliable service life and robust performance. It is designed to function consistently and reliably over long periods of time, making it a great choice for applications that require long-term, consistent temperature monitoring and control.

Conclusion

The NTC 0805 J3K3 thermistor is a low-cost, high-accuracy temperature sensing solution that is suitable for a wide range of applications. Its epoxy mounting mechanism and two-terminal design make it easy to install and remove, while its low profile design allows it to be mounted anywhere. Its high sensitivity rating of 15 Ω/K between 25-85°C ensures that it is highly accurate and precise. Additionally, its long-term reliability makes it a great choice for applications that require long-term, consistent temperature monitoring and control.

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