Bourns Surge Protective Devices (SPDs) protect sensitive equipment from damage caused by lightning and electrical transient surges. These protective devices integrate discrete circuit protection devices into an assembly or system that provides enhanced functionality and protection. Based on Bourns' expertise in discrete circuit protection, the SPD product line includes protective devices for AC systems, DC power systems, signal data line circuits, and coaxial networks/CATV. Bourns SPDs protect various electronic, electrical, data communication, and telecommunication equipment.