AHRF550

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PTC Resettable Fuses offer a wide range of current-limiting protection products for a variety of different applications and have become extremely popular due to their simple and effective design. The AHRF550 is one such product, which utilizes a positive temperature coefficient (PTC) resettable fuse and a clever design to provide reliable protection against both overcurrent and short circuit conditions.

The AHRF550 features an integrated overcurrent and short circuit protection circuit, which is capable of handling up to 20A fault current conditions. The PTC element consists of a specially designed ceramic disc that is physically connected to an aluminum strip. When a fault condition occurs, the disc is heated up by the current passing through the element. This heating causes the disc\'s resistance to increase almost instantly, thus limiting the current flow and tripping the fuse. Once the fault has been rectified, the heat dissipates and the PTC element returns to its normal low resistance state, allowing the AHRF550 to be reset without any manual intervention.

In addition to its reliable current protection, the AHRF550 also offers an array of additional features which make it an ideal choice for various applications. For instance, the device can be mounted in either vertical or horizontal orientation depending on the application\'s requirements. It also features a low self-heating option which ensures that the device runs cooler and reduces the chances of a fault occurring due to excessive heat. The AHRF550 also has a wide operating temperature range (-40°C to +125°C) and is capable of withstanding significant peak surge currents.

The AHRF550 can be used in a variety of applications, such as in consumer electronics, lighting, industrial machinery, and other small-scale electrical systems. It is also ideal for lithium-ion battery packs and chargers, as it provides reliable overcurrent protection to protect against accidental overcharge. The AHRF550 is also extremely durable and features an impact-resistant case which ensures that the device can withstand the rigors of industrial environments.

The AHRF550 is a versatile, robust, and reliable PTC resettable fuse with an array of useful features which make it ideal for a range of different applications. It is made from premium materials and is designed to withstand high electrical currents and is capable of repeatedly resetting without any manual interference. With its wide operating temperature range and low self-heating option, the AHRF550 is the perfect choice for anyone looking for reliable and durable current protection for their application.

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