TFPT0805L2201FM

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Temperature Sensors are basically devices that measure temperature, and they measure it in one of two ways. The first is through the thermal expansion of a material and is known as a thermistor. The second is through the use of a thermal-electric effect and is known as a PTC thermistor. One particular PTC thermistor that is widely used is the TFPT0805L2201FM.

The TFPT0805L2201FM is a negative temperature coefficient (NTC) PTC thermistor, which means it increases its resistance over time when the temperature rises. This thermistor is commonly used in various applications where temperature measurement and regulation is required. Some of the most common uses include power supplies, HVAC systems, automotive applications, and appliances.

The TFPT0805L2201FM has an operating temperature range of -40 to 125 degrees Celsius, with a nominal resistance at 25 degrees Celsius of 10k Ohms. In terms of size and shape, the TFPT0805L2201FM is a flat disc with a diameter of 8.05mm and a thickness of 1.5 mm.

In terms of working principle, PTC thermistors operate based on the thermal-electric effect. This effect arises from the self-heating of the thermistor when current passes through it. As the thermistor heats up, its resistance increases, making it more difficult for current to pass through. This in turn limits the current flow, protecting circuits and other components from overheating.

The TFPT0805L2201FM is a popular PTC thermistor used in a variety of temperature sensing applications. It has a wide operating temperature range, low power consumption, and is able to limit current to a safe level when the ambient temperature rises. The design of the TFPT0805L2201FM and its working principle make it a reliable and effective temperature sensing device.

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