GS22R400MRC GAS DISCHARGE TUBE GDT 500A 400V (280-520) SMT GS22R400MRC 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 500A @ 8/20us and peak current of 500mA @ 50Hz 1sec.. Manufactured by THINKING and compliant with ROHS standards. Packaged as TAPE&REEL for convenience.