Littelfuse's 437A AEC-Q200 rated surface mount fuse are automotive grade fuses designed to operate under wide range of ambient temperatures normal associated with automotive environments as low as -55ºC up to 150ºC with a high inrush current withstand capability. The Littelfuse 1206 fast-acting fuse ensures excellent temperature stability and performance reliability and are specifically tested to cater to secondary circuit protection needs of compact auto-electronics applications.