The NRS5010T4R7MMGF is a surface mount fixed inductor manufactured by Taiyo Yuden. It is 5010 size and has a 4.7uH inductance rating and a 1.2A current rating. The inductor has a 20% tolerance and a 0.145 ohms resistance. This inductor is ideal for use in applications such as switch mode power supplies, power factor correction converters, and DC-DC converters. It can also be used in bias circuits, AC ripple filters, and EMI filters.