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What is a Mini fuse? The MINI® style automotive blade fuse offers similar electrical characteristics in a smaller package than the ATO style fuse. The Mini fuse is used in a wide range of low voltage automotive and electronic applications. An alternative Mini blade fuse design featuring a three part construction and a see through window for blown fuse indication is available. Additional Mini auto fuse designs offering direct through-hole PCB soldering and a lower profile design are also available. They are color coded for amperage identification. Automotive mini fuses are fast acting and are offered with 32, 58, and 125 volt DC ratings. Mini blade fuse ampere ratings range from 1 to 30 amps. The standard 32 volt mini car fuse is built in accordance with the UL 248-14, Special Purpose Fuse standard. Agency approvals vary for other versions of the mini car fuses.Littelfuse offers several variations of the MINI® automotive mini fuses and markets them using the MINI®, FK1 MINI®, FUN MINI® and FP1 MINI® brand names. Bussmann offers the standard 32 volt DC version of mini auto fuse and a low profile version under the ATM Mini-Fuse® brand name.Browse our broad selection of the Mini auto fuses in our data sheet finder.