RXEF030-AP Circuit Protection

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PTC Resettable Fuses provide greater protection, affordability, and fast response times than conventional fuses. The RXEF030-AP Resettable Fuse is one of the most popular PTC Resettable Fuses on the market today. It is a compact, cost-effective solution for protecting sensitive electronic components from overcurrent, overtemperature, and overvoltage conditions.

The RXEF030-AP is designed to be easy to install and is smaller than conventional fuses, making it ideal for tight, compact spaces. It is UL Recognized and RoHS compliant and features a wide operating temperature range of -55 to +125°C. The RXEF030-AP is designed to trigger at 10A and reset at 5A. It will protect circuits from inadvertent overload that could cause permanent damage.

In terms of application field, the RXEF030-AP is typically used in consumer electronics, industrial automation systems, computers, and telecom equipment. It is also suitable for a variety of other applications where overcurrent protection is needed, such as aerospace, medical devices, and test equipment.

The working principle of the RXEF030-AP is based on a proprietary, nonlinear solid-state alloy that is thermally sensitive. When the current in the protected load exceeds the trip level, the fuse element melts at the point where the current is highest, forming an open circuit. This interrupts the flow of current and protects the downstream circuits from further damage. Once the current is reduced to below the reset level, the fuse will automatically reset itself and return to its original state.

The RXEF030-AP provides the advantages of both PTC and standard resettable fuses, as it offers a fast response to excess current, overload, and over-temperature conditions, and also offers the convenience of an easily reset fuse. The reset function ensures protection for the downstream circuitry, offering reliable and safe operation in a variety of electronics applications.

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