MF-RX065/72-2 is a PTC resettable fuse designed for low-voltage power supply protection up to 72 V with a hold current of 0.65 A and trip current of 1.30 A. The device features a cured, flame-retardant epoxy polymer insulating material that meets UL 94 V-0 requirements and is RoHS compliant and halogen free. It has an initial resistance of 0.27 O at 23°C and a post-trip resistance of 0.48 O, with a maximum time to trip of 0.72 seconds. The component is housed in a radial-leaded Style 1 package with Sn/Cu lead material and dimensions of 9.7 mm (A max.) by 15.2 mm (B max.), with a lead diameter of 0.51 mm. This resettable fuse is ideal for protecting security and fire alarm systems, loudspeakers, and power transformers, offering automatic recovery after fault conditions without requiring manual replacement.