RXEF300-1

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PTC Resettable Fuses are an essential component of many electrical products and systems, and are used to provide over-current protection in a wide range of applications. The RXEF 300-1 Resettable PTC Fuse is the industry’s leading-edge model designed to provide reliable over-current protection. The RXEF300-1 can be used in numerous applications, such as cell phones, computers, consumer electronics, automotive, and any other product that requires over-current protection. The device is designed to provide reliable over-current protection while still maintaining its precise operation and long life.

The RXEF300-1 has a wide variety of features designed to meet the demands of most applications. Firstly, it is a Polymer PTC that offers superior current-carrying capacity, providing reliable over-current protection. Secondly, its trip current is adjustable from 0.1A to 4A, making it suitable for a wide range of applications. The resettable fuse also offers an operating temperature range of -40°C to +85°C, which makes it suitable for use in harsh environments. In addition, the RXEF300-1 offers robust self-restoring functions and an automatic recovery time of 50mS.

The RXEF300-1 has a unique operating principle that enables it to provide reliable over-current protection. When the maximum rated current of the device is exceeded, the resistance of the PTC increases significantly, resulting in a rapid drop in the voltage across the device. This rapid drop in voltage causes an instantaneous reversal of current flow, protecting the device from potentially damaging over-currents. In addition, the PTC’s resistance remains high for an extended period of time, ensuring that the over-current protection is maintained. After a period of time, the resistance of the PTC returns to its normal state, allowing the device to resume its normal operations.

The RXEF300-1 is an ideal over-current protection device for most applications. Its adjustable trip current, operating temperature range, robust self-restoring functions, and automatic recovery time make it suitable for use in a variety of products and systems. Its unique operating principle allows it to provide reliable over-current protection, while its precise operation and long life ensure that it is a reliable and cost-effective solution. As such, the RXEF300-1 is the ideal choice for many applications that require over-current protection.

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