Round Body Fuses

Littelfuse designs and manufactures a variety of POWR-SPEED® high-speed semiconductor, round-body fuses for the protection of power semiconductor devices. These fuse products offer optimized circuit protection at the extremely fast speed required to protect modern-day, sensitive, high-power electronics devices. They feature advanced technology that sets standards for accuracy, consistent quality, reliability, and predictable performance. In addition, with a broad range of ratings and styles available, POWR-SPEED® fuses give you the flexibility to drop in replacements for competitor semiconductor fuses.