B59870C160A51

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PTC resettable fuses, known as polymeric positive temperature coefficient resettable fuses, are commonly used in electronics and telecommunications for protection against random short circuits that may occur. The B59870C160A51 is a particular type of resettable fuse. It has a rated voltage of 160VDC, a rated current of 1500mA, a hold current of 350mA, and a trip current of 625mA.

The B59870C160A51 is commonly used in applications that require protection from electrical spikes, such as automotive electronics, AC/DC adapters, LED and LCD displays, and other similar devices. It is suitable for controlling the current and protecting the equipment from damage, such as overload, short circuit, and thermal failure. The device has a low resistance when it is in normal state. It is able to detect an overcurrent condition and when the current is over its rated tripping point, the resistance will rise rapidly and cut off the current to protect the circuit from overloading, which will help to prolong the service life of the device.

The working principle of the resettable fuse is basically the same as other fuses, which are usually made of a thin metal wire or a thin-film strip embedded in a heat-resistant plastic enclosure. When the current going through the resettable fuse is over its rated tripping current, the thin metal wire or thin-film strip will heat up quickly and melt down, temporarily cutting off the current in order to protect the circuit from damage. And when the current returns to an acceptable level, the thin metal wire or thin-film strip will re-solidify, reset itself, and allow the normal current to flow through the device again.

In summary, the B59870C160A51 resettable fuse is commonly used in electronic and telecommunications applications where protection from electrical spikes is needed. It has a low resistance in normal conditions and when an overcurrent condition is detected, the device’s resistance will rapidly rise and cut off the current in order to protect the device from damage. The working principle of the resettable fuse is the same as other fuses, which are usually made of a thin metal wire or a thin-film strip embedded in a heat-resistant plastic enclosure. When the current going through the resettable fuse is over its rated tripping current, the thin metal wire or thin-film strip will heat up quickly and melt down, temporarily cutting off the current in order to protect the circuit from damage.

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