TR2/6125FF12-R is a fast-acting subminiature surface mount fuse designed for overcurrent protection in electronic systems. It features a 12A current rating with voltage ratings of 125Vac and 72Vdc, and provides an interrupting rating of 50A at both 72Vdc and 32Vdc. The fuse has a DC cold resistance of 5.3mO, a melting I²t of 210.59 A²·sec, and a typical voltage drop of 106mV. It operates over a wide temperature range of -55°C to 125°C and is RoHS compliant. With high inrush withstand capability and solder immersion compatibility, this fuse is ideal for protecting sensitive electronic circuits in various applications requiring reliable overcurrent protection.