Littelfuse, Inc. 6.3A 250V Circuit Protection Fuse 55900000001

PTC Resettable Fuse, 6.3A, 250V, Radial, THT, Polyamide Product overview: 55900000001 from Littelfuse is a Circuit Protection Fuse for overcurrent protection, power input protection, equipment safety, automotive electronics, and industrial control panels. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 6.3A, 250V. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, 6.3A, 250V, Circuit Protection Fuse, Fuseholders. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 140-55900000001 can be used for catalog matching and distributor lookup.