The B57620C5103J062 is part of TDK's Transformer Series of power inductors, which are used to convert AC power levels from line voltage to lower voltage levels used by systems and other components. The B57620C5103J062 is a toroidal core inductor with a 5.1uH inductance rating, 4.3Ohm DCR, and a 0.062A current rating. It is designed to operate in a wide range of temperatures, up to 250°C. The inductor has a 0.95mm x 9.5mm footprint, and is designed for use in applications such as DC-DC converter and power supply designs, laptop computer adapters, and vehicle electronics.