California Micro Devices Corporation designs and sells application specific circuit protection devices and display electronics devices. The company’s products include electromagnetic interference (EMI) filters with electrostatic discharge (ESD) protection for mobile handsets for specific applications including display interfaces, imager interfaces, speaker, headphone and microphone interfaces, smart card interfaces, and high speed serial data interfaces. Its products also include ESD protection devices for mobile handsets which provide ESD protection for high speed serial data interfaces. In addition, the company offers standard ESD protection devices for personal computers that provide protection for standard data interfaces found on desktop and notebook computers, as well as for keyboard and battery terminals, and user interface devices. Further, its products include low capacitance ESD protection devices for digital consumer electronics and personal computers which provide ESD protection for high speed data interfaces; and voltage level shifting, backdrive, and over-current protection in digital televisions, DVD players and recorders, and digital set top boxes. Additionally, its products include ESD protection devices for high brightness light emitting diodes that are used in lighting applications. The company sells its semiconductor products to original equipment manufacturers, original design manufacturers, and contract electronics manufacturers through direct sales force, manufacturer’s representatives, and distributors. It operates in the United States, China, Taiwan, Korea, and Singapore. The company was founded in 1980 and is based in Milpitas, California. As of January 26, 2010, California Micro Devices Corporation operates as a subsidiary of ON Semiconductor Corp.