The 4F4A250V with Axial Leaded,4x11mm Fuses ROHS is an electronic component manufactured by Xucheng. It is a surface mount fuse which has lead axles and measures 4x11mm in size. This particular fuse is able to withstand 250V of power and is RoHS (Restriction of Hazardous Substances) compliant, which means it does not contain hazardous material. It is ideal for use in high current applications and comes with a dual rated UL/CSA approval.