TFPT0805L6800JV

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Temperature Sensors - PTC Thermistors are semiconductor devices which can detect changes in temperature, and often respond better than metal thermometers. One common example of such a device is the TFPT0805L6800JV. This article will discuss the application field and working principle of this thermistor.

Application Field

The TFPT0805L6800JV thermistor can be used in a variety of applications depending on the environment. It is suitable for a wide temperature range of -55-150°C and is a common choice for measuring temperatures in the automotive, HVAC, and consumer electronics industries. Additionally, it can be used in oil, gas or water applications, where it can measure temperatures and other parameters accurately. Other more specific tasks it is used for include temperature control in appliances, temperature sensing for vehicles, and temperature measurement in air conditioners and refrigeration systems.

Working Principle

The TFPT0805L6800JV thermistor is a positive temperature coefficient (PTC) thermistor, which means it increases its electrical resistance with increasing temperature. It is made of a sintered pellet of semi-conducting material, usually ceramic. The sintered pellet allows for a more reliable temperature measurement due to its high thermal mass and low thermal conductivity. The thermistor is also able to measure temperatures in multiple points due to its small size, allowing for a more accurate representation of the temperatures in a particular area.

When the temperature is increased, the electrons in the sintered pellet become more mobile which increases the electrical resistance of the thermistor. This is due to the fact that the electrons need more energy to move through the thermistor at higher temperatures. As such, the resistance of the thermistor increases linearly with temperature. This linear relationship makes the thermistor easy to measure with an external circuit.

The thermistor also features high accuracy and short response time, with accuracy levels of approximately 0.2°C and response times as fast as 10 milliseconds. This allows for extremely accurate temperature measurement in many applications. Furthermore, the thermistor is able to withstand high temperatures of up to 150°C and still provide reliable measurements.

Conclusion

The TFPT0805L6800JV thermistor is a highly reliable temperature sensor that is suitable for a range of industries and applications. It is able to measure temperatures accurately due to its linear response and high accuracy. Additionally, it has a short response time and is able to withstand high temperatures, making it an ideal choice for temperature measurement and control.

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