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ON Semiconductor, which operates under the onsemi brand, is a global supplier of semiconductor components and related solutions. The company designs, manufactures and sells a broad portfolio that includes power and analog devices, discrete components, sensors and custom mixed-signal products. Its offerings are used to manage, convert and sense electrical power and signals across a wide range of electronic systems.

ON Semiconductor serves customers in key end markets such as automotive, industrial, cloud power and communications, as well as consumer and computing applications. Its products are deployed by original equipment manufacturers and tier‑1 suppliers for functions including power management, motor control, battery charging, sensing and connectivity. The company supports its global customer base through design centers, manufacturing sites and sales offices across the Americas, Europe and Asia.

Formed in 1999 as a spin‑off of Motorola’s semiconductor products business, ON Semiconductor has grown through organic development and strategic acquisitions, including the 2016 acquisition of Fairchild Semiconductor. The company is headquartered in Phoenix, Arizona, and has positioned itself to address long‑term industry trends such as vehicle electrification, energy efficiency and the increasing role of sensors in automation and safety systems. Hassane El‑Khoury has served as president and chief executive officer in recent years.

ON Semiconductor emphasizes energy‑efficient power solutions and sensor technologies that enable electrification, advanced driver assistance systems and industrial automation. The company’s product and platform strategy focuses on combining analog, power management and sensing capabilities to meet the reliability, thermal and performance requirements of modern electronic systems.