Cooper Bussmann is a division of Cooper Industries, Inc. It is a global ISO 9000/2000 and QS9000 certified manufacturer offering a broad range of passive components. Cooper Bussmann® branded products include overcurrent protection (fuses) and overvoltage protection (ESD suppressors). Coiltronics® branded magnetic power management products include inductors and transformers. PowerStor® branded supercapacitor power management products include cylindrical and coin cell surface mount parts.