The 2RD090L-5 is a Gas Discharge Tube (GDT) manufactured by FTR that has a ±20% tolerance rating, 5kA rating, 1.5pF capacitance, and 90V rating. It features two axial leads and is RoHS compliant. The GDT is designed to provide protection against transients and high voltage surges in power applications. It can be used in automotive, industrial, communication, and consumer electronics applications.