The 121AT5002HC from Gowanda Electronics is a Power Inductor with Inductance 50 µH, DCR 30 milli-ohm, Saturation Current 3900 to 6000 mA, SRF 2.5 MHz, Temperature Operating Range -55 to 130 Degree C. Tags: Through Hole. More details for 121AT5002HC can be seen below.