GC63R250HB GAS DISCHARGE TUBE GDT 10KA 250V ±20% THT GC63R250HB 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 10kA @ 8/20us and peak current of 10A @ 50Hz 1sec.. Manufactured by THINKING and compliant with ROHS standards. Packaged as BULK for convenience.