The 121AT2503HC from Gowanda Electronics is a Power Inductor with Inductance 250 µH, DCR 160 milli-ohm, Saturation Current 2200 to 3200 mA, SRF 0.9 MHz, Temperature Operating Range -55 to 130 Degree C. Tags: Through Hole. More details for 121AT2503HC can be seen below.