GB83R400HB GAS DISCHARGE TUBE GDT 20KA 400V ±20% THT GB83R400HB is a reliable and efficient gas discharge tube that designed for voltage protection at N/A with tolerance of ±20%. Features a discharge current of 20kA @ 8/20us and peak current of 20A @ 50Hz 1sec.. Manufactured by THINKING and compliant with ROHS standards. Packaged as BULK for convenience.