SF-3812FG2000T-2 is a fast acting, low voltage SMD fuse designed for single blow overcurrent protection. It features a 20 A rated current with a typical resistance of 0.0033 O and an interrupting rating of 100 A @ 125 VAC and 300 A @ 100 VDC. The ceramic tube design provides fast acting fusing speed in an EIA 3812 (10030 metric) footprint, with an operating temperature range of -55 °C to +125 °C. This fuse is UL 248-14 compliant, RoHS compliant, and halogen free, making it suitable for storage systems, PC servers, voltage regulator modules, and power supplies.