The JK-mSMD150SF/24V with PTC Resettable Fuses 1812 RoHS is an electronic component that is manufactured by Jinkaisheng. It is a surface mount device (SMD), meaning it is designed to be mounted directly onto a circuit board with the help of soldering. The component has a maximum operating voltage of 24V and contains a PolySwitch (PTC) resettable fuse with a size of 1812. This feature allows the fuse to reactively cut off current in the event of an over current and reset automatically. It is also RoHS compliant, meaning it has been approved by the Restriction of Hazardous Substances, or RoHS, environmental regulations.