MF-R185 is a radial leaded PTC resettable fuse designed for low voltage power supply protection in a wide range of electronic applications. It features a hold current (Ihold) of 1.85 A and a trip current (Itrip) of 3.70 A, with a maximum voltage rating of 30 V and maximum current rating of 40 A. The device exhibits an initial resistance of 0.040 to 0.07 O at 23°C and a post-trip resistance of 0.11 O maximum, with a maximum time to trip of 9.25 seconds. Constructed with flame-retardant epoxy polymer insulation meeting UL 94V-0 requirements, the MF-R185 is RoHS compliant and halogen-free, making it suitable for computers, peripherals, general electronics, and automotive applications where reliable overcurrent protection is essential.