This is a Multilayer Ceramic Capacitor (MLCC) with a surface mount technology (SMD/SMT) package, coded C1206X333K501T, produced by IHHEC / Holy Stone. It has a capacitance of 33nF, or 33 nano Farads, and a rated voltage of 500 volts. The part is RoHS compliant, which means it meets the standards for hazardous materials set by the RoHS (Restriction of Hazardous Substances) Directive from the European Union. Its dimensions are 1206, which is a size specification for components in terms of their length and width, with the first two numbers representing the length and the last two numbers representing the width, both in millimeters.