The Yageo 2RM090M-5-SN electronic part is a GDT (Gas Discharge Tube) or TSS (Thyrister Surge Suppressor) SMD (Surface Mount Device) in a RoHS (Restriction of Hazardous Substances) compliant package. This device is designed to protect sensitive equipment from possible overvoltage and surges in high power systems. It can operate at temperatures ranging from -40 °C to 85 °C and is rated for 85V/90A peak current. It is a two-pin device with a leads spacing of 5 mm. The package has an operating life of up to 20,000 hours and is suitable for applications such as automotive, renewable energy, power supplies, and LED lighting.