The Littelfuse PICO II Very Fast-Acting Fuse is engineered for a wide array of performance characteristics within a compact, subminiature package. Ideal for secondary protection in space-constrained applications like flat-panel displays, power supplies, and audio/video systems, this fuse provides reliable circuit protection. It features a wide operating temperature range, halogen-free availability, and is ROHS compliant. Available with various agency approvals including UL, CSA, TUV, and FM, the 251/253 Series fuse is a versatile solution for diverse electronic applications.