RXEF185K

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PTC Resettable Fuses are switchable devices that protect circuits from short circuits, overloads, over currents and overvoltages. RXEF185K is a specific type of PTC Resettable Fuse that works to protect against these threats.

The basic principle of RXEF185K is that it has two layers of resistor material, each providing different levels of current limiting. The upper layer is made of a metal oxide material that provides an adjustable resistance to low currents. The lower layer is made of a polymeric material that provides a fixed resistance to higher currents. The combination of these two layers provides a highly adjustable arc fault protection.

When an overcurrent condition occurs, the fuse will react quickly by blowing off the upper layer, and then increasing its resistance on the lower layer until this is high enough to break the existing overcurrent. This allows for immediate protection of the circuit without having to replace any parts. Once the overcurrent is resolved, the fuse will reset itself and allow the circuit to function normally again.

RXEF185K is used in a variety of applications, including circuit protection in consumer electronics, automotive systems, industrial electronics, medical electronics, and military electronics. It can also be used in power supplies, charger protection, ac/dc conversion, solar power systems, and various other types of circuits. This makes it an extremely versatile fuse, and one that can provide reliable protection for a wide range of applications.

In terms of operation, RXEF185K works by limiting the current flow in the circuit in the event of an overload or short circuit. The metal oxide layer limits the current flow to a safe level, while the polymeric layer increases the resistance when the current reaches an unsafe level. As the current continues to increase, the resistance increases even further until the circuit is fully protected from damage.

Overall, RXEF185K is an ideal solution for providing reliable and highly adjustable arc fault protection. Its ability to self-reset after an overcurrent event makes it a great choice for applications where flexibility and protection are needed. It is also very versatile, being able to handle a wide range of different current levels in various applications. This makes it a perfect choice for a multitude of different applications and a great way to ensure the safety of your circuits.

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