MF-USML270-2 is a low-ohmic PTC resettable fuse from Bourns designed for overcurrent protection in compact, space-constrained applications. This surface mount component features a 1210 footprint with ultra-low resistance of 0.0040 Ohms at 23°C, a hold current of 2.70 A, and a trip current of 5.40 A at 6 V maximum rating. The device exhibits a maximum time to trip of 8.00 seconds at 0.0200 A and delivers 0.8 W typical tripped power dissipation at 23°C. The fuse is RoHS compliant, halogen-free, and agency recognized (cUS), making it suitable for automated assembly in mobile and consumer electronics requiring reliable circuit protection with minimal footprint impact.