The 121KM1002SM from Gowanda Electronics is a Power Inductor with Inductance 10 µH, DCR 10 milli-ohm, Saturation Current 5300 to 9100 mA, SRF 20 MHz, Temperature Operating Range -55 to 130 Degree C. Tags: Surface Mount. More details for 121KM1002SM can be seen below.