NTC0805J470R

Series:	Neohm
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance in Ohms @ 25°C:	470
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

Thermistors, or thermally sensitive resistors, are temperature sensors. They are widely used in consumer electronics, industrial control systems, alarms, and other applications. NTC thermistors, or Negative Temperature Coefficient thermistors, are a type of thermistor whose resistance decreases with increasing temperature. NTC0805J470R is one such thermistor. It is an NTC thermistor that comes in 0805 package and has a resistance of 470R and a tolerance of 5%. In this article, we\'ll examine the application field and working principle of the NTC0805J470R.

Application Field

The NTC0805J470R is designed for a variety of temperature sensing applications. Many of these applications involve over-temperature protection, temperature measurement, and temperature compensation. One of the most common applications of the NTC0805J470R is over-temperature protection for electronic and electrical devices. It is often used to protect electric motors, transformers, and other devices from excessive heat. In these cases, the thermistor is placed in contact with a heat-sensitive component. When the temperature of the component rises above a certain limit, the thermistor\'s resistance decreases. This decrease in resistance triggers an alarm or interrupts the circuit, preventing further damage to the component. In addition to over-temperature protection, the NTC0805J470R is also used for temperature measurement and temperature compensation. It is often used in industrial control systems to measure and monitor the temperature of a variety of mechanical and electrical components. It is also used in medical and scientific equipment to measure temperatures. Finally, the thermistor can be used to compensate for temperature variations in electrical circuits, ensuring that the circuits operate correctly regardless of external temperature conditions.

Working Principle

The NTC0805J470R works by using the temperature-dependent resistance of its material to measure and/or regulate temperature. The thermistor is made up of two metal films, separated by a semiconductor material. As the temperature increases, the resistance of the thermistor decreases. This decrease in resistance is measureable and can be used to determine the temperature of the surrounding environment. The temperature dependence of the NTC0805J470R is determined by its Beta value, which is a measure of the thermistor\'s sensitivity to temperature. The higher the Beta value, the greater the thermistor\'s temperature sensitivity. The NTC0805J470Rhas a Beta value of 3977, meaning it is relatively sensitive to temperature changes. In summary, the NTC0805J470R is an NTC thermistor that is used for temperature sensing, measurement, and control. It can be used for over-temperature protection, temperature measurement, and temperature compensation. Its temperature dependence is determined by its Beta value, which is a measure of its sensitivity to temperature changes.

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