PHOENIX, Ariz. – Oct. 16, 2012 – ON Semiconductor (Nasdaq: ONNN), a premier supplier of high performance silicon solutions for energy efficient electronics, has expanded on the company’s extensive interface and power management portfolio with the introduction of a pair of ultra small, ultra thin, small signal MOSFETs optimized for space-constrained portable consumer electronics such as tablet computers, smart phones, GPS systems, digital media players and portable games consoles.