SF-0402S100-2 is a slow blow surface mount thin film chip fuse designed for overcurrent protection in compact electronic applications. It features a rated current of 1.00 A, typical resistance of 64 mO, and a typical I²t value of 0.01479 A²s, with a fusing time within 5 seconds at 250% of rated current. The fuse is built on a ceramic substrate with a miniature 1005 (EIA 0402) footprint measuring 1.0 mm × 0.52 mm × 0.35 mm, and operates over a temperature range of -20°C to +105°C. It is UL listed, RoHS compliant, and halogen free, making it suitable for portable memory devices, LCD monitors, digital cameras, cell phones, rechargeable battery packs, and industrial controllers.