GAS DISCHARGE TUBE We Orbit Electronics are dealers of Various Gas Discharge tube and are also Authorized Distributor of UN Semiconductor Gas Discharge Tube. We have in our stock material of UN Semiconductor having part number : UN2E8-90HM - 90V / 2 PIN UN3E8-90HM - 90V / 3 PIN UN2E8-230ML - 230V/2PIN UN3E8-230ML - 230V/3PIN UN2E8-600ML - 600V/2PIN UN3E8-600ML - 600V / 3PIN We also have other range of various GD Tube of UN Semiconductor. We can get bulk orders import for you at best rates.