GF42R400MRM GAS DISCHARGE TUBE GDT 5KA 400V ±20% SMT GF42R400MRM 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 5kA @ 8/20us and peak current of 3A @ 50Hz 1sec.. Manufactured by THINKING and compliant with ROHS standards. Packaged as TAPE&REEL for convenience.