AHRF900

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The PTC Resettable Fuses, like AHRF900, are designed to detect and interrupt over-current and over-voltage conditions in a wide variety of applications, controlling and protecting circuits in consumer and industrial equipment from damage or destruction. The devices offer fast, reliable and accurate circuit protection at all times and are widely used in a variety of fields.

The AHRF900 PTC Resettable Fuse is a polymeric positive temperature coefficient (PPTC) device with an operating current of up to 3A and a rated voltage of 250V, designed to protect against over-temperature, over-current and over-voltage conditions. It features an integrated three-pin design, includes an integrated switch for over-current protection and an integrated resistor for over-voltage protection. Additionally, the device utilizes a thermal fuse technology to ensure high reliability and accuracy at all times.

The AHRF900 PTC Resettable Fuse has a wide variety of applications. It is used in a range of consumer products, such as headphones, speakers, cameras, computers, printers and other electronic devices. It is also used in industrial equipment, such as solar cell power systems, to protect against power surges. Additionally, it can be used in automotive circuits, controlling temperature and current levels within a battery system and protecting against circuit failure.

The working principle of the AHRF900 PTC Resettable Fuse is fairly straightforward. It utilizes a thermal fuse technology, which means that it has an internal metal element that starts to melt at a certain temperature point – typically around 150°F or 66°C. When the internal metal element melts, it causes a short-circuit and the fuse will trip. After it trips, the metal element of the fuse will cool and return to its original structure, allowing the device to reset and protect against further faults.

In conclusion, the AHRF900 PTC Resettable Fuse is a reliable and accurate device designed to detect and protect against over-temperature, over-current and over-voltage conditions. It is classified as a PTC Resettable Fuse, and is used in a wide variety of applications across many industries. The device utilizes a thermal fuse technology to ensure high reliability and accuracy at all times, and is designed to reset when the metal element has cooled and returned to its original structure.

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