RGEF500K-2 Circuit Protection

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PTC resettable fuses, or polyfuse, are electrical components used as protection elements for small circuits. The polyfuse is an ideal choice for applications that require a fuse which can be reset after it has tripped. They are not commonly used in high voltage applications, and are mainly used as in-circuit protection in small low voltage electrical circuits.

The RGEF500K-2 is a resettable fuse from the RGEF series of polyfuses. The fuse is rated up to 500mA, and has a wide operating temperature range of -40°C to +85°C. The RGEF500K-2 provides bi-directional protection with a low resistance of <1.5Ω when it is in its tripped state. The fuse can be reset easily by simply removing and replacing the protection element.

The RGEF500K-2 has an extended life and reliable performance, making it a very versatile and reliable PTC resettable fuse. It is suitable for use in a variety of devices such as smartphones, tablets, cameras, USB chargers, power supplies, computer motherboards, and other low voltage applications. The device has components that ensure a low tolerance of ±3%, so it will be reliable even when subjected to frequent power cycling or severe operating conditions. The fuse can also handle surge currents up to 40A, making it a suitable choice for a wide range of applications.

The mechanism by which the RGEF500K-2 works is simple and efficient. When a fault occurs in the circuit, the polyfuse reacts very quickly by providing a low resistance path to the power source. This causes the circuit to be automatically disabled, and the flow of electricity is then reduced to a safe level. When the fault is no longer present, the polyfuse is then reset and the circuit is enabled again. This method of protection ensures that the circuit is not damaged or destroyed by any unexpected faults, making it an ideal choice for devices which need reliable and convenient protection.

In conclusion, the RGEF500K-2 PTC resettable fuse is a reliable and convenient protection option for small electrical circuits. It can handle bi-directional surge currents of up to 40A, and has a wide operating temperature range which makes it suitable for a wide range of applications. The device is also able to offer low resistance when it is in its tripped state, ensuring that faults in the circuit are quickly and safely disabled. The RGEF500K-2 is an ideal choice for anyone looking for an effective and reliable form of protection.

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