MF-R110-2-99 is a PTC resettable fuse from Bourns' MF-R Series featuring radial leaded construction for circuit protection applications. This device is rated for a maximum voltage of 30 V and maximum current of 40 A, with a hold current (Ihold) of 1.10 A and trip current (Itrip) of 2.20 A at 23°C. The fuse exhibits an initial resistance of 0.18 Ohms and a post-trip resistance of 0.27 Ohms maximum, with a maximum time to trip of 6.6 seconds and typical tripped power dissipation of 0.70 W. The device is constructed with cured, flame-retardant epoxy polymer insulation meeting UL 94V-0 requirements, is RoHS compliant, and halogen-free. It is supplied in tape and reel packaging (25.4 mm device pitch, 1000 pcs per reel) and is ideal for protecting low-voltage power supplies and loads in computers, peripherals, and general electronics applications.