Founded in 1934, Illinois Capacitor, Inc. is a leading American manufacturer of capacitors headquartered in Lincolnwood, Illinois, USA. The company specializes in aluminum electrolytic capacitors, metallized film capacitors, power film capacitors, and supercapacitors (EDLC). Its broad product portfolio includes popular series such as the EBR aluminum electrolytics, MWR metallized film, and DGH supercapacitors. Illinois Capacitor serves diverse applications including bypass, coupling, DC link, and pulse circuits. Key end markets include wireless communications, power electronics, energy management, IGBT protection, and renewable energy like solar and wind power. In 2017, the company was acquired by Cornell Dubilier, enhancing its global reach and manufacturing capabilities. Known for reliable, high-quality components, Illinois Capacitor works closely with customers and suppliers to deliver tailored solutions. Its products meet rigorous industry standards, supporting innovations in portable power tools and other handheld equipment. The supercapacitor line, in particular, has seen rapid growth as engineers recognize its advantages in portable energy storage. With a commitment to excellence, Illinois Capacitor continues to be a trusted name in the passive components industry.