The company's principal activities are to design, develop, manufacture and market application specific integrated passive devices and complementary analog semiconductors for original equipment manufacturers and contract manufacturers. the products provide critical signal integrity, electromagnetic interference filtering, electrostatic discharge protection and power management solutions. the company also offers analog semiconductor solutions that complement application specific integrated passive devises, providing electrostatic discharge protection for ports, smart power management functions and micro-power operational amplifiers. the products are marketed primarily to customers in the mobile electronics, computing, led lighting, medical and other industries. the company markets its products in the united states, europe, japan, hong kong and taiwan.