Alpha and Omega Semiconductor Limited (“AOS”) (Nasdaq: AOSL), a designer, developer and global supplier of a broad range of power semiconductors, introduced at APEC 2011 today its first highvoltage (600V) product based on a proprietary αMOSTM (Alpha-MOS) technology platform. By taking advantage of major enhancements in process technology, the new device offers designers exciting new opportunities to build higher efficiency power supplies and meet the increasingly stringent green product requirements.