Check the listing for details. LITTELFUSE BLF010 Fuse,Midget,10A,BLF Series 486H61. Condition: New. Listed at 3.49 USD. Fuse, 10A, 250V AC, Not Rated, Class Midget, BLF Series, Nonindicating, Fast Acting, Body Style Cylindrical, Nonrejection, Interrupt Rating 10kA at 250V AC, Fuse Size 1-1/2 in L x 13/32 in dia, Length 1 1/2 in, Diameter 13/32 in, Equivalent Brand and Series Bussmann BAF, Littelfuse BLF, Mersen OTM, Equivalent Series BAF, BLF, OTM, Compatible Fuse Block Series L600M, Body Material Melamine, Single Element, Standards CSA Certified, RoHS, UL Listed Fast-acting, nonindicating midget fuses open within seconds of being exposed to overloads and short circuits. Also called fast-blow midget fuses, they are highly sensitive to changes in current flow and don't tolerate temporary overload currents or power surges. They have no indicator for identifying a blown fuse, so they're sometimes used with an.