The GOWANDA ELECTRONICS part GA20-391KLF is a high-quality, high current power inductor designed for various electronic applications. This unshielded wirewound inductor has a value of 3.9uH with a tolerance of 10% at 1KHz frequency. It features a ferrite core and can handle a maximum current of 4.044A with a low DC resistance of 0.017Ohm. The inductor is supplied in axial tape and reel packaging for easy assembly and handling.