Semiconductor Components Industries, LLC, operating as onsemi, is an American semiconductor supplier company headquartered in Scottsdale, Arizona. Founded in 1999 as a spin-off from Motorola's Semiconductor Components Group, it became a public company with its initial public offering on April 28, 2000, and is listed on Nasdaq as "ON". As of late 2025, onsemi employs approximately 22,670 to 29,000 people worldwide and generated annual revenue of $5.995 billion in 2025. The company is an S&P 500 component, with a mix of institutional, retail, and individual investors holding its stock.
Onsemi specializes in intelligent power and sensing technologies, providing a broad portfolio of semiconductor-based solutions. Its major product lines include silicon carbide (SiC) and silicon power semiconductors, power modules, analog and mixed-signal devices, and image sensors. These products are primarily used in the automotive and industrial markets, enabling applications such as electric vehicles, advanced driver-assistance systems (ADAS), industrial automation, and renewable energy. Onsemi is recognized as a significant power chipmaker and a leading supplier of image sensors for the automotive market.
Onsemi's patent litigation posture is that of an operating company defending against assertions. The company has 1 tracked case in the provided data, in which it is listed as a defendant and has no plaintiff cases. This indicates it is not an NPE asserting patents but rather a manufacturer that has been targeted in patent litigation.
The sole tracked case for Semiconductor Components Industries, LLC, d/b/a Onsemi is "Greenthread LLC v. Semiconductor Components Industries, LLC, d/b/a Onsemi et al." It was filed on December 11, 2023, at the Patent Trial and Appeal Board (PTAB).