The 3R090A-5S with Gas Discharge Tubes (GDTs) SMD,5x7.5mm RoHS is an electronic part manufactured by Ruilongyuan. It is a GDTs (Gas Discharge Tube) and is commonly used for surge protection, EMI/RFI suppression, and overvoltage protection. The GDT has a rated voltage of 5 volts and a current rating of 100 amps. It is a surface mount device with an overall size of 5 x 7.5 millimetres and is RoHS compliant, meaning that it conforms to the EU's Directive on the Restriction of Hazardous Substances. It is an ideal choice for high-speed communication lines, industrial control systems, LAN, and broadcast systems.