Electrical fuses are used to conduct current under normal conditions and to break a circuit under overload conditions by the melting of fusible elements of the fuses. Typically, a fuse consists of a fusible link installed in a circuit. When the current in the circuit reaches a predetermined maximum level provided by the fusible link, the fusible link melts or burns. This breaks the circuit connection provided by the link and terminates the flow of overcurrent in the circuit. Many electrical fuses comprise a pair of generally blade terminals which are electrically connected to one another. The blade-type fuse includes a plastic housing, two electrical conducting terminal blades extending from the housing, and a fusible link connected between the terminal blades within the housing. The terminal blades are inserted through openings in a printed circuit board and soldered to the board to complete an electrical connection through the fusible link. The electrical connection between the blade terminals of the fuse is selected in accordance with the specified current to be carried by the circuit into which the fuse is incorporated. An electrical current level which exceeds the specified level will damage the electrical connection between the blade terminals of the fuse, thereby breaking the circuit and preventing more serious damage to other electrical components. Cartridge fuse is cylindrical with two flat spade terminals at opposite ends. The terminals are intended to slide into fuse clips that conduct current through the fuse. The fuse clips are defined by spring loaded or tensioned jaws that tightly grasp the terminals, holding the fuse securely in place. In the semiconductor industry, fuse elements are a widely used feature in integrated circuits for a variety of purposes, such as improving manufacturing yield or customizing a generic integrated circuit. Typically, fuses or fusible links are incorporated in the design of the integrated circuit, wherein the fuses are selectively blown, for example, by passing an electrical current of a sufficient magnitude to cause the fusible link to change its structure thereby creating a more resistive path or an open circuit. Fuses are commonly used in automotive electrical systems to protect circuits against potential damage caused by overload conditions. Fuse boxes house electrical fuses for individual electrical load components within the motor vehicle, such as individual lights or small electrical equipment items, and also house electrical fuses for cables carrying larger amounts of current splitting off from the fuse box for servicing entire load sections within the motor vehicle. A fuse box is typically a molded plastic casing or housing containing internal fuse-receiving terminals connected to the various circuits by one or more bus bars.
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