MF-USML270-2 Circuit Protection

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PTC Resettable Fuses have been widely used in the manufacturing industry for many years due to their superior protection against power supply overloads, short-circuits and high temperature. The MF-USML270-2 is a recent addition to the PTC Resettable Fuse family. This fuse offers enhanced protection, improved efficiency, greater compactness, and a much wider application scope.

The MF-USML270-2 is designed for general purpose applications in industries ranging from consumer electronics to automotive products. It has a maximum trip current rating of 270mA and a tripping circuit temperature range of 0° Celsius to 85° Celsius. The fuse is UL listed and meets standard design and performance criteria, giving it maximum versatility for different applications.

The MF-USML270-2 is a single-pole, normally-closed, thermal overload protection device with two independent self resetting circuits. It contains a positive temperature coefficient (PTC) polymeric material that generates an electrical resistance which increases with temperature. Under normal operating conditions, the electrical circuit between the two poles of the fuse is closed. In case of an overload, the PTC material will heat up, the electrical resistance will increase and the circuit will open. This will protect the downstream circuit from short-circuit or overload and will disconnect the device from the power supply.

Once the cause of the overload is identified and rectified, the PTC Resettable Fuse can be manually reset by pressing the reset button. When the reset button is pressed, a pressure switch is actuated, allowing the circuit to close and re-establishing the electrical connection.

The MF-USML270-2 has a wide variety of applications. It can be used in a range of consumer electronics such as televisions, DVD players, personal computers, laptops, and mobile phones. It is also suitable for automotive products including car stereos, radios, navigation systems, and entertainment systems. Additionally, the fuse can be used in industrial machines such as 3D printers, laser cutters, and CNC machines.

The MF-USML270-2 is an ideal device for protecting against short-circuit and overload conditions. With its wide range of applications and superior performance, it is a great choice for a variety of industrial and consumer applications.

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