The 1206 surface mount package size is an industry standard for electronic components and has a length of 0.12 inches and a width of 0.06 inches. The surface mount 1206 fuse is constructed using either thin film, or ceramic technology. The 1206 fuse is available in fast acting, and time lag, versions. Rated voltages range from 24 to 125 volts AC and DC. The 1206 fuse has ampere ratings ranging from 0.125 to 20 amps.