The 8-2R090L with Axial Leaded Gas Discharge Tube (GDT) ROHS by SEMBO is a high-voltage component that is used to protect electronic circuits and components from voltage surges. It is designed to provide protection against high-voltage transients and is an ideal choice for surge protection applications. The GDT is RoHS compliant and features axial leads for easy mounting and installation. It is capable of handling up to 9 kV of short-term peak voltage, making it an ideal choice for many different applications. The GDT has a breakdown voltage of 4500 V and can withstand short-term peak voltages up to 9 kV. The device has a wide operating temperature range and is suitable for use in most environments.