The SX51-202X is an electronic part, consisting of a discharge tube with axial leads, manufactured by SURGING. The tube has 5.5x6mm dimensions and is RoHS compliant. The tube is designed to protect electrical equipment, including sensitive sensors, relays, and generators, absorbed electromagnetic high-induction pulses or surges. It is also used to reduce high-voltage spikes on electrical lines and circuits. The SX51-202X can be used in a variety of applications, including industrial, telecommunication, medical, and automotive.