PFRA.065

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PTC Resettable Fuses are among the most common types of fuses used in electrical systems, and the PFRA.065 is one of the most popular models for a variety of applications. These fuses provide an adjustable current limit and thermal protection to protect connected equipment against damage due to overloads, short circuits, and other abnormal conditions.

The PFRA.065 is a radial-lead, surface-mount fuse with a current rating of 0.650A and a voltage rating of 35VAC or 24VDC. The fuse has an adjustable current limit of 0.1A to 0.7A, and it automatically resets after an overload or short circuit has been cleared. The reset is done by a self-resetting thermal element that is designed to open when the ambient temperature reaches beyond a certain set limit.

The current limiting action of the PFRA.065 makes it highly effective in protecting against over-currents and short circuits. Its ability to reset itself after an overload or short circuit makes it a convenient and reliable means of protection. It\'s also easy to install, requiring no additional support or wiring.

The PFRA.065 has a wide range of applications, including general electronics, power and lighting systems, telecommunications equipment, office automation, automotive electronics, home appliances, electric and electronic toys, and medical equipment. It\'s also suitable for other applications where an adjustable current-limiting device is needed.

The working principle of the PFRA.065 is simple. It has an adjustable current limit, which is set by the user. When the current passes through the fuse, it creates an enormous amount of heat. As the temperature rises, the fuse trips and breaks the current path, thus limiting the current and protecting against overloads and short circuits.

When the overload or short circuit is cleared, the fuse will automatically reset itself and continue to provide protection. This reset happens when the heat generated by the fuse dissipates and the ambient temperature returns to a normal level.

The PFRA.065 has proven to be a reliable and cost-effective solution for many applications. It\'s easy to install and use, and it provides reliable protection against overloads and short circuits. Its adjustable current limit allows it to be used in a variety of applications, making it a popular choice for many industrial and consumer applications.

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