Bourns Mf-Usmf075-2.
FUSE, PTC RESET, 6V, 750mA, 1210; PPTC Case Style:1210 (3225 Metric); Product Range:MF-USMF Series; Voltage Rating:6VDC; Holding Current:750mA; Tripping Current:1.5A; Time to Trip:0.1s; Current Rating Max:40A; Operating Voltage:6V