[Copper core and cap]: greatly reduce the impact of unexpected current peak on electrical [Ceramic shell]: simple structure, insulation and fire prevention [Exquisite technology]: Easy installation,long service life, good conductivity and corrosion resistance [Application]: applicable to household appliances, automobiles, instruments, electronic toys, etc [The role of the fuse]:When a circuit malfunctions or is abnormal, the current is constantly rising, and the increased current may damage some important components or valuable components in the circuit, or it may burn the circuit or even cause a fire.The fuse will cut off the current when the current abnormally rises to a certain height and a certain time, thereby protecting the safe operation of the circuit. [Good service] We're committed to supply quality tools and accessories to worldwide customers to make your work more efficient and convenient! We're committed to creating great products backed by friendly, responsive service to delight our loyal customers around the world.