The PA4059.550HL from Pulse Electronics is a Power Inductor with Inductance 0.05 µH, Inductance Tolerance ±20 %, DCR 0.2 milli-ohm, Saturation Current 61000 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for PA4059.550HL can be seen below.