Identifying Fuse Symbols and Layout
A fuse is the component used to protect from sudden arise of the desired amount of currents and voltages into a certain circuit. The fuse will be blown out if a certain circuit have a very low resistance or shorted. a Fuseo is made by a metal wire that can be easily busted if a high current or voltage will flow on it.
It is labeled letter "F" means a fusible device then a product code or number.
A fuse is often used in a charging circuit of any mobile phones. The phone will indicate no charging reaction if a fuse is already blown.