Diodes is a manufacturer and supplier of discrete semiconductor products, primarily to manufacturers in the telecommunications, computer, electronics and automotive industry. The company's Far East subsidiaries, Diodes-China and Diodes-Taiwan, manufacture products for sale to North America and Asia.

Diodes-China focuses on surface-mount devices destined for products such as wireless devices, notebook computers, pagers, PCMCIA cards, and modems.

Diodes-Taiwan focuses on products destined for a broad base of end products.

The company's ISO-9000 corporate sales, marketing, engineering, and logistics headquarters is located in Southern California.