The SMD5050-090NA with Gas Discharge Tubes (GDTs) SMD, 5x5x4.2mm RoHS is a high performance module manufactured by Ruilongyuan. It is designed for surge protection and ESD protection on telecommunications systems, computer networks and other electrical systems. It is a non-polarized, bidirectional device that can be used to protect against both high and low voltage transients, and is RoHS compliant. It is a SMD-package device, with dimensions of 5 mm x 5mm x 4.2 mm and uses a single pair of kinked GDTs, each with a breakdown threshold of 90V. It features an operating temperature range from -40 to +125°C and has a maximum capacitance of 10pF.