R46KI347000N0M is a part manufactured by Kemet, a manufacturer of capacitors and other components. It is an SMT Electrolytic Solid Capacitor, 4.7µF, 4V, X7R, 1210. This type of capacitor is commonly used in the construction of power supplies, automotive electronics, medical devices, and other circuitry. It features X7R dielectric material that provides better regulation of capacitance under varying temperature conditions. The small size of the 1210 package allows for easy surface mounting onto a circuit board.