Description Sometimes power needs management and International Rectifier (IR) is there for those times. The company is a top maker of power management semiconductors, which refine the electricity flowing into a device from a battery or a power grid, enabling more efficient operation. Its products -- including MOSFETs (metal oxide semiconductor field-effect transistors), diodes, relays, and rectifiers -- are used in appliances, automobiles, computers, communication devices, lighting and displays, gaming consoles, industrial motors, and military equipment. IR sells its products through distributors, OEMs, and contract manufacturers. Nearly 60% of the global company's sales come from Asian customers.