The 133469-FSMD020-1206-R is a surface mount PTC resettable fuse from the FSMD1206 series. It has a size of 0.128 inches (3.25mm) in length and 0.065 inches (1.65mm) in width, with a maximum thickness of 0.030 inches (0.75mm). The fuse has a maximum voltage rating of 30V and a maximum current rating of 100A. It has an initial resistance of 600 mOhms and a post-trip resistance of 2.5 Ohms. The fuse has a time to trip of 100 ms and operates in a temperature range of -40°C to 85°C. Packaged in tape and reel, the fuse is available in a standard package of 50 pieces. Manufactured by RFE/Fuzetec, this PTC resettable fuse is part of their active product lineup and has approvals from cUL, TUV, and UL.