B1212XT-1WR2-R with Power Modules SMD RoHS is a surface mount power module composed of an aluminum nitride substrate, aluminum nitride package, copper oxide insulated wires, and a zinc oxide die. It can be used in a wide variety of applications including power supplies, LED lighting, motor control, and wireless communications. The module is compliant with RoHS (Restriction of Hazardous Substances) regulations, which stipulate limits on the use of certain hazardous substances in electrical and electronic equipment. It has a rated voltage of 250V, a maximum wattage of 12W, and a maximum current of 1A. The module is manufactured by international semiconductor company Bothhand.