MF-R110

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PTC resettable fuses, commonly known as Polymeric Positive Temperature Coefficient, are auto-resettable fuses used as circuit protection devices. They are non-destructive in nature, automatically resetting after a fire, overcurrent, overvoltage or overtemperature event. This type of fuse has been in use since the 1970s. The MF-R110 PTC Resettable Fuse is one such protection device.

The MF-R110 resettable fuse is a low-cost, compact, and flexible device designed for use in a wide range of applications, including automotive, industrial, and consumer electronics. It is designed to provide protection for sensitive components and circuits against overcurrent, overtemperature, and overvoltage, and can be used in both AC and DC systems. The MF-R110 is a reliable safety device, with a unique self-healing property, and is capable of resetting itself after an overcurrent event or other fault has occurred. It is also designed to respond instantly to a fault in the electrical system and provide protection against possible dangers.

The working principle of the MF-R110 resettable fuse is based on the presence of a polymeric material. The polymeric material has a high melting point and can tolerate very high temperatures without degradation. This material changes its resistance characteristics when exposed to a hot current, and as the current continues to increase, it melts and starts to act as an open circuit. This open circuit prevents any more current from flowing in the circuit and subsequently protecting the connected components from damage.

Once the fault has been contained, the fuse cools down and resets itself back to its original resistance value. This self-resetting feature is one of the key advantages of this type of fuse, as it eliminates the need to manually replace the fuse after every fault occurrence. It also reduces the time taken to restore the affected circuit, which is beneficial in a variety of applications.

The MF-R110 is also designed to be able to withstand high surge currents, both in AC and DC systems. This is achieved through its unique fast responding feature, which trips and resets rapidly when the overcurrent conditions are detected. The current rating of the MF-R110 is up to 10A, which is suitable for a variety of medium- to high-power applications. Additionally, the fuse operates over a wide range of temperatures from -40°C to +125°C, making it suitable for use in demanding environments.

The MF-R110 PTC Resettable Fuse is a reliable protection device for preventing damage to sensitive components and circuits. This fuse is relatively easy to install and provides protection from a variety of overcurrent, overvoltage, and overtemperature conditions. It also has the unique self-resetting feature, making it an attractive choice for a wide range of applications.

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