Schaffner Holding AG engages in the development, production, and sale of electromagnetic interference components, electromagnetic compatibility instrumentation, and test systems. It operates through the following segments: Electromagnetic Compatibility, Power Magnetics, Automotive, and Corporate. The Electromagnetic Compatibility segment develops and manufactures components that ensure the immunity of power electronic equipment to line interference. The Power Magnetics segment designs and produces power magnetic components and transformers. The Automotive segment develops and manufactures components for convenience and safety features in cars and for the drive trains of hybrid electric vehicles. The Corporate segment includes the firm's functions that cannot be allocated in particular segments and acquisitions costs. The company was founded by Hans Schaffner in 1962 and is headquartered in Luterbach, Switzerland.