SF-0402S400-2

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Fuses are an integral part of any electrical system. The primary function of a fuse is to protect the wiring and circuits from short circuit or any other electrical problems. It is a safety device that is designed to break and stop the current when it exceeds the predefined limit. The SF-0402S400-2 fuse is a type of surface mount fuse designed for automotive electronic applications.

The SF-0402S400-2 fuse is a small-sized fuse that measures 1.6mm x 0.8mm. It has a rated voltage of 30V and a current rating of 400mA. This fuse is made from a flame-retardant thermoplastic material and is designed to be mounted on a printed circuit board. It is also available in different colors for better identification and has a small indicator which shows when the fuse is open.

The SF-0402S400-2 fuse has several applications in the automotive industry. It is used in the automotive power distribution and control systems, as well as in the vehicle\'s audio and infotainment system. It is also used in various automotive sensors and in safety-critical systems such as airbags and ABS brakes.

The working principle of the SF-0402S400-2 fuse is based on the heat-sensitive element inside the fuse. When the electric current passing through the fuse is higher than its rated current, the heat will increase until the element in the fuse melts. This will cause the contact point to open, thus breaking the circuit and preventing any further current flow.

The SF-0402S400-2 fuse is a great option for automotive electronics because of its small size and high current rating. It is also able to protect all the electronic systems in a car from any damage due to overheating. It also helps to maintain safety in the car, as it can prevent catastrophic accidents caused by short circuits and overloads.

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