0001.2509.T is a product available from Schurter, a Switzerland-based manufacturer of electronic components. It is a 4A, 250V Fuse, type GMA. This fuse is fast-acting, has a breaking capacity of 4 kA at 250VAC and is packaged in 2mm x 8mm radial packages. It is UL approved, UL 250 V rated, CE marked, and meets RoHS compliance.