LDY-BNC series video signal lightning protection devices are applicable to coaxial transmission device applied in main thin cables, thick cable, network wire, CATV, video monitoring device, public television, satellite television receiver and VOD system, etc. which can prevent the system equipment from the permanent damage or transient interruption arising from inductive overvoltage, overcurrent and the other transient surge voltage caused by lightning or industrial noise, etc.
Main structure and work principle: