SF-0402S150-2

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Fuses can be divided into mini-fuses, blade fuses, cylindrical fuses, etc. SF-0402S150-2 is one of them. It is a cylindrical type fuse, which has a small size and can meet the needs of most electronic applications. This article will discuss SF-0402S150-2 application fields and working principles.

SF-0402S150-2 is a SMD cylindrical fuse, which is made of a copper wire and wrapped with a sheath of insulating material. The fuse has a small size, only 4.0mm x 2.0mm x 0.8mm with a rated current of 150mA. It is suitable for low current, high density circuit protection.

SF-0402S150-2 is widely used in universal mobile phone and tablet computer applications, such as power circuits, display circuits, LCD backlight circuits, speaker circuits, USB power circuits, etc. It can be used to protect the circuit when the circuit current exceeds the rated current value. The typical applications of SF-0402S150-2 fuses include cell phone chargers, laptops, PDAs, MP3 players,camcorders, digital cameras and other electronic products.

The working principle of SF-0402S150-2 is that when the circuit current is greater than the rated current, the fuse wire melts and opens the circuit, thereby protecting the circuit from overload and short circuit damage. The fuse will re-close after the fault current is removed, allowing the device to function normally. It is an easy and low-cost solution to protect the circuit.

In addition to traditional applications, SF-0402S150-2 also has wide applications in automobile, aviation and industrial field. In automotive applications, SF-0402S150-2 can be used on electrical power lines, light lines, power outlet lines and sensor lines. In aviation applications, it can protect electronic instruments and components from high speed power surges or voltage fluctuations. In industrial applications, SF-0402S150-2 can protect instrumentation, automation and safety control circuits.

In conclusion, SF-0402S150-2 is a cylindrical type SMD fuse, with a small size and a rated current of 150mA. It is widely used in universal mobile phone and tablet computer applications, as well as in automotive, aviation and industrial fields. Its working principle is that when the circuit current is greater than the rated current, the fuse wire melts and opens the circuit, protecting the circuit from overload or short circuit damage.

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