Littelfuse 440A and 437A AEC-Q200 rated surface mount fuses are automotive grade fuses designed to operate under high working ambient temperatures up to 150�C and high inrush currents. These Littelfuse 1206 fast-acting fuses ensure excellent temperature stability and performance reliability. 440A fuses feature current ratings from 0.5A to 8A and 63V to 32V maximum voltage rating. 437A fuses offer 500mA to 4A current ratings and 63V to 32V maximum voltage rating. Applications include LCD displays, servers, notebook computers, printers, scanners, and data modems.