MF-LR380

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PTC Resettable Fuses are widely used in the electronics industry to protect components from damage caused by excessive current. The MF-LR380 PTC Resettable Fuse is one of the most popular resettable fuses on the market today. It is small in size, highly reliable, and simple to use. In this article, we will look at the MF-LR380’s application field and working principle.

MF-LR380 PTC Resettable Fuses are most commonly used for smartphones, tablets, cameras, and other consumer electronics. They provide reliable surge protection from power interruptions, over currents, short-circuits, and other types of electrical faults. The MF-LR380 can also be used in automotive and industrial applications, such as lighting systems, motors, and other electronic equipment.

The MF-LR380 provides an excellent combination of low resistance and temperature coefficient, making it suitable for use in a variety of operating environments. It is available in a range of currents and voltage ratings, and also offers robust protection even when exposed to high temperatures. The high-reliability design of the fuse ensures its performance even after multiple activations.

The working principle of the MF-LR380 is based on the thermally-induced resistance change of its ceramic body. Upon exceeding its rated current threshold, the ceramic body experiences a temperature increase, resulting in a reduction its resistance and activation of the over-current protection mechanism. This reduces the current in a few milliseconds, allowing the device to reset automatically and return to its initial state.

The MF-LR380 is designed to meet the current industry standards with its advanced features. It is certified by TUV/UL/CQC, and complies with VW-1 test for flame retardancy. It has a high-short-circuit-capacity and superior current stabilization, making it highly reliable even under extreme conditions. It also provides a longer service life compared to other similar products on the market.

In conclusion, the MF-LR380 PTC Resettable Fuse is a highly robust and reliable product with a wide range of applications. Its low temperature coefficient, excellent current stabilization, and high short-circuit capacity make it a great choice for protecting consumer electronics, automotive, and industrial applications from electrical faults. It is also certified by various health and safety organizations, ensuring its superior performance even in extreme conditions.

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