RUEF500K-2 Circuit Protection

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PTC resettable fuses, also known as polymeric positive temperature coefficient resettable fuses, have recently become an important component in modern electronic and electrical systems. In recent years, as these systems become smaller and more compact, the need for efficient, safe and robust circuit protection devices becomes more pressing. This has led to the development of PTC resettable fuses, which can effectively protect the system from damage due to short circuits or overloads. The RUEF500K-2 is a PTC resettable fuse developed and manufactured by the company Ruer Ltd. It is designed for use in a wide variety of applications, but is particularly well-suited for use in consumer products, industrial equipment and automotive electronics.

The RUEF500K-2 is a subminiature PTC resettable fuse, and is one of the smallest available on the market today. It is rated for DC voltages up to 50V and has a current rating of 500mA. The device has a maximum operating temperature of 125°C and is UL Recognized under File Number E341097. In terms of size, the RUEF500K-2 measures just 1.5mmx3.2mm, making it one of the smallest PTC resettable fuses available. The fuse also features a tight tolerance with a ± 10% precision rating. This tight tolerance ensures accurate current protection and improved system reliability.

Unlike other types of fuses, such as blade fuses, PTC resettable fuses are self-resetting. This means that when the fuse has been overloaded and trips, it will reset itself when the power is removed or when the overload has been removed. This resetting process is achieved with the use of a special type of conducting polymer, which expands and contracts when heated and cooled respectively. The RUEF500K-2 is no exception and uses this technology to achieve its self-resetting capability.

The main advantage of using a PTC resettable fuse such as the RUEF500K-2 is the increased safety and reliability it provides, due to its self-resetting ability. This makes it ideal for use in a variety of applications, especially situations where the circuit is subject to frequent overloads or short circuits. For example, the RUEF500K-2 can be used in consumer products such as mobile phone chargers, laptop power supplies, remote control toys and medical devices. It is also suitable for use in industrial equipment, automotive electronics, and even heating and ventilation systems. In addition, the small size of the RUEF500K-2 makes it ideal for use in tight spaces, where a larger fuse would not be able to fit.

In conclusion, the RUEF500K-2 is a useful and reliable addition to any circuit protection system. Its small size and self-resetting ability make it ideal for use in a variety of applications, including consumer products, industrial equipment, and automotive electronics. Its UL Recognized rating means it has been tested to meet rigorous safety standards, ensuring reliable and safe functioning for years to come.

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