0ZRM0025FF2C

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A PTC resettable fuse, also known as Polyfuse, is a type of current-limiting device that has become increasingly popular for use in consumer electronics. 0ZRM0025FF2C is one common type of the PTC resettable fuse, which offers overcurrent protection against potentially hazardous overloads. This fuse is designed to detect and open an electrical circuit when current levels exceed a preset limit due to an overload condition. When the overload is removed, the internal piezoresistive element of the fuse will reset automatically restored the original current flow.

Application Field

The 0ZRM0025FF2C current-limiting devices are widely used in many different types of consumer electronic products, such as chargers, printers, home appliances, and lighting systems. This type of fuse is well-suited to low-voltage applications because of its relatively high peak-hold and low internal voltage drop. Additionally, it is very cost-effective and reliable.

Working Principle

The 0ZRM0025FF2C PTC resettable fuse is an electrically heated element that consists of a polymer conductor inside a housing. When the current flowing through the device exceeds the rated current level, it will change its electrical resistance resulting in the fuse overheating and tripping itself. This forms an open circuit which immediately disconnects the circuit or equipment from its power source and prevents them from further damages. Once the overload is cleared and the temperature returns to its normal level, the fuse will reset itself, allowing the existing current to flow through it again and restoring the original circuit.

Conclusion

The 0ZRM0025FF2C PTC resettable fuse is an excellent current-limiting device that offers reliable and cost-effective protection against potentially hazardous overloads. It is widely used in consumer electronic products due to its low internal voltage drop and high peak-hold, and its working principle is based on an electrically heated element that changes its electrical resistance when current levels exceed a preset limit. On top of that, it can reset automatically when the overload is removed, restoring the original circuit.

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