Experience summary of 3 ways to protect LED circuit

Application of fuse in LED lighting

According to the shape, there are round miniature fuses and square miniature fuses.

The biggest difference between PTC and ordinary fuse is its self-recovery characteristics, both can provide over-current protection, but once the ordinary fuse is blown, it must be replaced to ensure the normal operation of the line.

An electrical appliance that uses a metal conductor as a melt to be connected in series in a circuit. When an overload or short-circuit current passes through the melt, it fuses due to its own heat, thereby breaking the circuit.

"Fast blow and slow blow": In fact, it refers to fuses of different usage categories, which are relative to the protected electrical appliances. The fuse used for the protection of general semiconductor devices (SCR, diode, triode, silicon rectifier) is commonly referred to as fast-acting, and its u......