Very fast-acting, ceramic tube 1/4" x 1-1/4" ferrule fuse designed to UL 248-14 for overcurrent protection of sensitive electronic circuits. Install into a Bussmann Series fuse holder, block, or fuse clip or purchase with available axial leads for thru-hole installation. Eaton's GBB very fast-acting, ceramic tube 1/4" x 1-1/4" ferrule fuses are designed to UL 248-14 for overcurrent protection of sensitive electronic circuits. Order in cartridge fuse format and install into a Bussmann Series fuse holder, block, or fuse clip, or purchase with available axial leads for thru-hole installation.