The 3RL090L-6 GDT/TSS Discharge Tube with RoHS mark manufactured by Yageo is a protective device which helps protect circuits from voltage spikes and transient voltages. It has a maximum peak current rating of 15KA(8/20µs). Its operating voltage range is from 6V to 220V with an operating ambient temperature range between -40°C to 85°C. It has two terminals that are 3/16” in diameter and comes with a heat sink for enhanced dissipation of heat. It is qualified to UL, CSA, CE, and VDE standards and is RoHS compliant.