SMD2920P250TSA

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PTC Resettable Fuses (fuseable polymeric positive temperature coefficient) are integrated devices that prevent current overloading for increased circuit protection. They consist of a small chip in which a conductive polymer film is sandwiched between two electrodes. In the event of an overcurrent or short circuit, the polymer film thermally expands, dramatically increasing its resistance, and thus limiting the current flow. Subsequently, when the temperature drops, the polymer contracts and its resistance becomes low again, allowing the current to resume.

The SMD2920P250TSA PTC Resettable Fuses are self-resetting circuit protection devices designed for use in medium-power or high-power applications. They feature a current rating of up to 250A, a voltage rating of up to 240V, and an operating temperature range from −55 to 85°C. They also offer fast response time and overcurrent protection, as well as all of the key features of PTC resettable fuses.

The working principle of SMD2920P250TSA PTC Resettable Fuses is simple yet effective. When a sufficient overcurrent occurs, the core inside the fuse will thermally expand, increasing the resistance to the point where current flow is limited. The current then drops back to its normal levels, and the current will then resume. When the excess current is removed, the temperature of the fuse will decrease, and the resistance will fall back to its original value.

SMD2920P250TSA PTC Resettable Fuses are used in many different applications, such as automotive systems, consumer electronics, appliances, industrial equipment, and more. They offer superior circuit protection and are highly reliable and durable. In addition, they are easy to install and require no maintenance, making them an ideal choice for a variety of applications.

In conclusion, the SMD2920P250TSA PTC Resettable Fuses offer superior protection for high-power or medium-power applications, and their working principle is both simple and effective. They are highly reliable and durable, and they offer all of the key features of PTC resettable fuses, such as fast response time and overcurrent protection. They can be used in automotive systems, consumer electronics, appliances, industrial equipment, and more, making them a versatile and reliable option for a variety of applications.

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