SF-1206S400-2 is a slow blow thin film chip fuse designed for overcurrent protection in surface mount applications. It features a rated current of 4.00 A, rated voltage of DC 32 V, and a typical resistance of 15.5 mO with a breaking capacity of 50 A at DC 32 V. The fuse has a typical I²t value of 1.537 A²s and opens within 5 seconds at 250% of rated current. With a compact 3216 (EIA 1206) footprint, operating temperature range of -20°C to +105°C, and UL listing (UL 248-14), this RoHS compliant and halogen free fuse is ideal for portable memory devices, LCD monitors, digital cameras, battery packs, and industrial controllers.