SF-0603F300-2 is a fast-acting surface mount fuse designed for overcurrent protection in compact electronic applications. It features a 3.0 A rated current with a typical resistance of 21 mO and an I²t rating of 0.082 A²s, providing reliable protection against transient overcurrent events. The fuse operates at temperatures from -40°C to +105°C and is housed in a 1608 (EIA 0603) miniature footprint measuring 1.6 × 0.8 mm, enabling automated surface mount assembly. It is UL listed, RoHS compliant, and halogen-free, meeting modern environmental and safety standards. Common applications include portable memory devices, LCD monitors, disk drives, digital cameras, cell phones, rechargeable battery packs, and industrial controllers where space constraints and reliable protection are essential.