SL1021A300C GAS DISCHARGE TUBE GDT 10KA 300V FREE SL1021A300C 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 10kA @ 8/20us and peak current of nan. Manufactured by LITTELFUSE and compliant with ROHS standards. Packaged as TRAY for convenience.