The SS54LF with Schottky Barrier Diodes (SBD) SMAF RoHS is a components manufactured by Jingdao. It is an ultra-fast switching dual Schottky diode providing superior performance and ESD protection in low capacitance and low forward voltage drop in a small SOT-323 package. This device offers ESD protection and fast response times making it ideal for telecommunications, laptops, handheld electronics, cell phones and other high-speed applications. The SS54LF complies with the RoHS environmental standards; it contains no hazardous heavy metals such as lead, mercury, hexavalent chromium, and other toxic substances.