The SMD1206P020TF is a surface mount fuse that is manufactured by Yenji. It has 100A, 200mA, and 400mA current ratings, and comes in a 1206 package. It also meets RoHS standards, and is designed for surface mounting, making it ideal for use in space-limited applications. The fuse is rated for quick-blow action and is used to protect circuits from damage due to overcurrent.