MF-USML175-2 is a low-ohmic PTC resettable fuse from Bourns designed for overcurrent protection in compact electronic applications. It features a 1210 surface mount package with ultra-low resistance of 0.0060 Ohms at 23°C, a hold current of 1.75 A, and a trip current of 3.50 A, with a maximum voltage rating of 6 V and maximum current rating of 50 A. The device exhibits a maximum time to trip of 8.00 seconds at 23°C and typical tripped power dissipation of 0.8 W, with hold current varying from 2.57 A at -40°C to 0.88 A at 85°C. This fuse is RoHS compliant and halogen-free, making it suitable for thermal protection in Li-ion battery packs, USB port protection (USB 2.0, 3.0, and OTG), mobile phones, digital cameras, game consoles, and PC motherboards.