The FSMD1206 PTC Resettable Fuse is a circuit protection component designed for use in electronic devices. It is part of the FSMD series from RFE/Fuzetec. This fuse is of size 1206 (3216 Metric), with dimensions of 0.128" L x 0.065" W (3.25mm x 1.65mm) and a thickness of 0.022" (0.55mm). It is a surface mount type, suitable for tape & reel packaging. The FSMD1206 has a maximum voltage rating of 8V and a maximum current rating of 100 A. It has a current hold (Ih) of 500 mA and a current trip (It) of 1 A, with a time to trip of 100 milliseconds. This fuse has an operating temperature range of -40°C to 85°C. It has an initial resistance (Ri) of 150 mOhms and a post trip resistance (R1) of 700 mOhms. The FSMD1206 is approved by cUL, TUV, and UL, making it a reliable choice for circuit protection in various electronic applications.