B59930C0120A070

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PTC resettable fuses, also known as polyfuses, are a type of electrical protection device used in industrial electronic circuit applications. They are designed to protect electronic circuits from overcurrent conditions, and reset automatically when the overcurrent is removed. The B59930C0120A070 is a model of PTC resettable fuse that has a wide range of applications in the industrial and consumer electronics markets.

The B59930C0120A070 is a typical polyfuse with a hold current of 120A and a trip current of 150A. Its operating voltage range is between 6V and 60V, and it can handle up to 200A of inrush current. In comparison to traditional fuses, it has a much better and faster response time. It is widely used in automotive, home appliance, and lighting applications due to its small size, low-profile, and excellent surge protection capability.

The working principle of a PTC resettable fuse is based on a specific material used in the device known as a positive temperature coefficient (PTC) material. When an excessive current passes through the fuse, this PTC material will heat up and its resistance will increase, effectively blocking the flow of current in the circuit. This protection from overloading helps to minimize the risk of electrical shock and equipment damage caused by excessive current. Once the overload has been removed, the PTC material will cool down and its resistance will decrease, allowing current to flow again.

The B59930C0120A070 PTC resettable fuse is particularly suitable for medium-power applications where a fast reaction is required for protection against overcurrent conditions. It can be used for applications such as motor protection, voltage conversion, automotive power control, LED lighting, and other protection applications requiring fast, reliable, and cost-efficient protection solutions.

The B59930C0120A070 PTC resettable fuse is designed for a life cycle of up to 100,000 operations and its additional features such as thermal and humidity compatibility ensure a reliable performance in even the toughest conditions. Its low profile and high surge protection capability make it an ideal solution for applications that require a reliable and cost-effective overcurrent protection system.

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