Cornell Dubilier Electronics (CDE, also known as Rodney French) is a company that manufactures capacitors. It offers electrolytic, aluminum polymer, paper-film capacitors, rechargeable batteries, and supercapacitors. The company provides component solutions for inverters, wind and solar power, electric vehicles, motor drives, HVAC, welding, aerospace, telecom, medical equipment, and uninterruptible power supply (UPS) systems.