Littelfuse BLF Series Littelfuse BLF fuses are suitable for control circuit and instrument protection in dry (little to no humidity) locations. Other Names: BLF.500, BLF .5 Amp, BLF-.5, BLF-1/2, BLF .5A, BLF.5A, BLF-0.5A, BLF0.5A, BLF 0.5A, BLF 1/2, BLF 1/2A, 0BLF.500T, 0BLF.500 Product specifications Ampere 0.5 A Voltage rating 250 VAC Interrupt rating 10 kA at 250 VAC Speed Fast Blow Class Midget Fuse Shape Cartridge Fuses Approvals CSA, UR Substitute parts Bussmann BAF Datasheet Littelfuse BLF Datasheet Dimensions 0.406" Dia x 1.5" L (10.31x38.1mm) Item weight 0.2 oz Other names BLF.500, BLF .5 Amp, BLF-.5, BLF-1/2, BLF .5A, BLF.5A, BLF-0.5A, BLF0.5A, BLF 0.5A, BLF 1/2, BLF 1/2A, 0BLF.500T, 0BLF.500 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.