MDA-2-1/2-R is a 1/4" x 1-1/4" time-delay ceramic tube fuse designed for overcurrent protection in AC circuits. It features a 2.5A current rating with a 250Vac voltage rating and an AC interrupting rating of 200A at 10,000A. The fuse has a typical DC cold resistance of 0.068O, a typical melting I²t of 31.79 A²sec, and a typical voltage drop of 0.213V at rated current. This RoHS-compliant fuse is UL Listed and CSA Certified, meeting MIL-STD-202 shock and vibration standards. Common applications include equipment requiring time-delay protection against temporary inrush currents while providing reliable overcurrent protection.