The JK-SMD020SF with PTC Resettable Fuses 0805 RoHS manufactured by Jinkaisheng is an electronic component made for use in electronic circuits. It is a surface mount device (SMD) with an 805 profile. It is a polyfuse that utilizes a Positive Temperature Coefficient (PTC) of resistive element which offers overcurrent protection. It features low resistance characteristics, allowing it to maintain a low power consumption level when operating. It is also RoHS compliant, meaning that it contains materials in its construction that are safe for use in industrial applications. The fuse is also highly reliable, offering a high life expectancy, and offers a high temperature and surge current protection.