RXE040-2

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PTC resettable fuses are a kind of overcurrent protecting device, which are widely used in today’s electronics and electrical applications. The RXE040-2 is one of the most commonly used models, and it has a variety of applications.

The RXE040-2 PTC resettable fuse is specially designed for overcurrent protection, and it offers short-circuit protection and overvoltage protection. It can be used in a wide range of applications, including AC/DC power adapters, power supplies, medical devices, lighting, automotive electronics, consumer electronics, and audio/video equipment.

The working principle of the RXE040-2 PTC resettable fuse is fairly simple. It is a metal oxide film PTC thermal-resettable fuse, which can be heated up and reset when the temperature reaches its reset temperature. This is due to the resistance of the metal oxide film PTC, which can be changed by the current passing through it. When the current passing through the RXE040-2 PTC resettable fuse exceeds the rated current, the PTC will heat up and open, thus preventing further damage to the system.

When the current is reduced to a safe level, the PTC will cool down and reset itself. This allows the system to be reset and start functioning normally again. The RXE040-2 PTC resettable fuse is designed to be highly reliable and it is relatively resistant to breakdowns and wear and tear.

The RXE040-2 PTC resettable fuse is a reliable and cost-effective solution for providing overcurrent and short-circuit protection in a wide range of electronic and electrical applications. It is also easy to install and use, which makes it a popular choice for many different types of applications.

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