MF-USML380-2 is a low-ohmic PTC resettable fuse designed for automated surface mount assembly in compact mobile applications. This device features a maximum voltage rating of 6 V, maximum current of 50 A, and an ultra-low resistance of 0.0020 Ohms at 23°C, with a hold current of 3.80 A and trip current of 8.00 A. The fuse exhibits a maximum time to trip of 19.00 seconds at 23°C and a tripped power dissipation of 0.8 W, providing reliable overcurrent protection with minimal voltage drop. The 1210 surface mount package offers a small footprint and low profile suitable for space-constrained applications, and the device is RoHS compliant and halogen-free with agency recognition (cUS). Common applications include mobile device power management, battery protection circuits, and portable electronics where compact size and low resistance are essential for maintaining system efficiency.