ProTek Devices, based in Tempe, Arizona USA, is a manufacturer of Transient Voltage Suppression (TVS) products designed specifically for the protection of electronic systems from the destructive effects of Lightning, Electrostatic Discharge (ESD), Nuclear Electromagnetic Pulse (NEMP) and Inductive Switching. 

With 25 years of engineering and manufacturing experience, ProTek designs TVS devices that provide application specific protection solutions for any type of electronic system such as, telecommunications, industrial, military and commercial applications.