Bourns MF-USML series low ohmic PTC resettable fuses offer a compact and reliable solution for overcurrent protection in a variety of electronic devices. These fuses are designed with surface mount packaging for automated assembly and feature a small footprint, making them ideal for space-constrained applications like mobile phones and game consoles. They provide thermal protection for Li-ion and polymer battery packs, as well as USB port protection. The series is RoHS compliant and halogen-free, ensuring environmental responsibility. While currently available, Bourns recommends the enhanced MF-USML/X series for new designs.