The 121KM7502SM from Gowanda Electronics is a Power Inductor with Inductance 75 µH, DCR 45 milli-ohm, Saturation Current 1800 to 3100 mA, SRF 3 MHz, Temperature Operating Range -55 to 130 Degree C. Tags: Surface Mount. More details for 121KM7502SM can be seen below.