RXEF185K-AP

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PTC (positive temperature coefficient) resettable fuses are unlike traditional fuses in that they do not need to be replaced after they have opened. Instead, PTC fuses reset themselves after the current through them drops below a certain level, thereby restoring their functionality. The RXEF185K-AP is a self-resetting solution that offers effective and reliable protection against overcurrents. It is widely used in a wide variety of applications in various industries, due to its capacity to reset itself automatically after a period of time.

The RXEF185K-AP is a surface mount device that features an axial lead, SMT mounting, and a glass-coated encapsulation that resists moisture, dust, and shock. The device is designed to provide protection against overcurrents, and it provides consistent protection in both normal and over-current conditions. It is powered by 6 V to 60 V DC power input and is capable of fusing currents up to 5.5 A for 275V AC or 5A for 30V DC. In addition, the device is RoHS compliant, and it is CE certified for use in Europe.

The working principle of the RXEF185K-AP is simple. Upon sensing overcurrent, the device will become heat-sensitive and will then open up, cutting off current flow to the load. The PTC fuse will then switch off the current until its temperature drops below a certain point and then reset itself, thus allowing current to flow to the load again. The resettable fuse is designed to protect overcurrents while also maintaining lower thermal resistance. This ensures that the device will not overheat and malfunction when subjected to higher currents than the rated value.

The RXEF185K-AP is widely used in a variety of applications, including electric vehicles, consumer electronics, aerospace, and medical devices. It is ideal for protecting against fluctuations in power supply currents, as well as high current usage. The device can also be used in conjunction with other circuit protection components, such as MOVs, circuit breakers, or thermistors, to provide additional protection against electromagnetic fields and sudden changes in power.

The RXEF185K-AP is a reliable and cost-effective solution for protecting against overcurrents. Its resettable feature makes it ideal for use in applications that require frequent resetting or require the device to handle more current than the rated value. The device\'s self-resetting operation means that it does not need to be replaced after it has opened, making it easier to maintain. Additionally, the device\'s low thermal resistance helps prevent it from overheating and malfunctioning due to high currents, making it suitable for use in high current applications.

In conclusion, the RXEF185K-AP is an effective and reliable resettable fuse designed for use in a variety of applications. Its capacity to reset itself after a period of time makes it an ideal solution for applications that require frequent resetting or for those that require higher current usage than the rated value. The device is powered by 6 V to 60 V DC power input and can fuse up to 5.5 A for 275V AC or 5A for 30V DC. Furthermore, its RoHS compliance and CE certification makes it suitable for use in Europe.

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