The PA4272.121HL from Pulse Electronics is a Power Inductor with Inductance 0.12 µH, Inductance Tolerance ±15 %, DCR 0.17 milli-ohm, Saturation Current 43000 mA, Temperature Operating Range -40 to 130 Degree C. Tags: Surface Mount. More details for PA4272.121HL can be seen below.