RF0478-000 GAS DISCHARGE TUBE GDT 5KA 250V THT RF0478-000 is a reliable and efficient gas discharge tube that designed for voltage protection at N/A with tolerance of nan. Features a discharge current of 5kA @ 8/20us and peak current of nan. Manufactured by LITTELFUSE and compliant with ROHS standards. Packaged as TRAY for convenience.