This part is most commonly identified as a (specifically a shielded SMD inductor), often manufactured by companies such as Coilcraft or similar electronics component suppliers. Part Breakdown & Specifications 1. Series (MPD-055): The "MPD" series usually denotes a Molded Power Inductor line. These are characterized by a magnetic epoxy coating that shields the component, minimizing electromagnetic interference (EMI) and allowing for high current handling in a compact footprint. Aprende Ingles En 21 Dias Pdf Verified Info