PFRA.065.2

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PTC Resettable Fuses are a type of self-resetting fuse that work by rapidly heating up and therefore interrupting the current flow when an overcurrent condition occurs. This is achieved by using polymeric material that has a positive temperature coefficient (PTC) which, when heated, resists the passage of current. Once the overcurrent condition is removed, the PTC resettable fuse will cool down, return to its original state, and allow current to pass again, an effect known as "self-resetting"

The PFRA.065.2 is an example of a PTC resettable fuse that is used in a variety of applications. This includes protection of various consumer and industrial electronics, such as medical devices, LCD screens, and telecommunications systems. It is particularly suited for mobile devices, as it has very low power consumption and a fast resetting time.

The working principle of a PTC resettable fuse such as the PFRA.065.2 is based on the positive temperature coefficient (PTC) of its polymeric material. When an overcurrent condition occurs, the heat generated by the current causes the PTC material to heat up and resist the flow of current, thus interrupting the current flow. Once the overcurrent condition is removed, the PTC resettable fuse will cool down, return to its original state, and allow current to pass again.

Furthermore, this type of fuse provides a number of other features that make it highly suitable for many applications. It has an energy absorbing element as a part of its design that absorbs and disperses excess energy, thus helping to prevent potential damage that could be caused by an overcurrent event. Furthermore, its compact size makes it especially suitable for use in confined spaces. Its long operational life and high resetting reliability also make it suitable for applications where frequent operation is required.

The PTC resettable fuses are also widely used in a variety of other applications, such as electric motor protection, overcurrent protection in industrial equipment, and protection against short circuit conditions in the automotive industry. In addition, they are increasingly being used in electronic devices such as cell phones, tablets, and other mobile devices, as their small size, low power consumption, and fast resetting time make them ideal for such applications.

In summary, the PFRA.065.2 is an example of a PTC resettable fuse that is particularly suited for mobile devices. Its working principle is based on the positive temperature coefficient (PTC) of its polymeric material, which allows it to interrupt the current flow when an overcurrent condition occurs. Furthermore, its compact size, long operational life, and high resetting reliability make it suitable for a variety of applications, such as electric motor protection, overcurrent protection in industrial equipment, and protection against short circuit conditions in the automotive industry.

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