The 12110.3 with 1206 Fuses ROHS manufactured by Jinkaisheng is a type of circuit protection device. It is composed of a metal alloy strip that is connected with two electrodes. The unit is designed to blow, or open, when the current or voltage of a circuit reaches a certain level and serves to protect the circuit from damage or destruction due to overload. The 12110.3 Fuses ROHS manufactured by Jinkaisheng have the added benefit of adhering to the Restriction of Hazardous Substances (RoHS) standards, meaning they do not contain materials that are hazardous to humans or the environment.