RXEF160-2 Circuit Protection

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PTC Resettable Fuses are essential components of many of today\'s electronic and electrical applications, and one of their most popular models is RXEF160-2. By understanding the application field and working principle of the RXEF160-2, engineers can better design their electronics to meet the demands of their projects.

RXEF160-2 PTC Resettable Fuses are designed to provide systems with overcurrent protection and short-circuit protection. Its application field includes computer system, communication system, instrumentation, power electronic circuits, portable equipment, and consumer electronics. It is excellent for protecting circuits when used between power supply and electronic equipment.

The working principle of PTC Resettable Fuses is based on a PTC element, which when heated by overcurrent, starts to rise in resistance, rapidly cutting off the current. When the fuse has cooled down, the current will start flowing again, creating a cyclic process. When the overload current reaches a certain proportion of the rated current, a rapid heat flow is generated from the internal PTC element. This heat flow reaches a critical temperature, and the resistance of the PTC rises rapidly. The degree of resistance is dependent on the overload curve, which is pre-set in the fuse. The external circuit is cut off and the current is prevented from further increasing. The increase in resistance of the PTC does not occur instantly; it increases gradually with time. Once the external overload current drops below the rated current, the fuse eventually cools down.

The RXEF160-2 is designed to space-saving and has low power consumption. Its built-in organic resin protection features provide moisture and dust protection, and its UL certified PTFE wire has a wide operating temperature range and high flame rating of UL 94V-2. It also has excellent electrical performance, with quick trip time, no false triggering, low resistance charging, and low power charging. The RXEF160-2 is simple to install and cost-efficient and is an ideal choice for circuits and power supplies that need reliable overcurrent protection.

In summation, RXEF160-2 PTC Resettable Fuses offer great value for their cost, and its application field is wide and its overcurrent protection superior. By understanding the working principle of the RXEF160-2, engineers can easily use it in their designs and make their electronics projects work efficiently.

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