The 4448-34L from API Delevan is a Power Inductor with Inductance 300 to 1200 µH, Inductance Tolerance ±20 %, DCR 1003 to 4012 milli-ohm, Saturation Current 270 to 540 mA, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for 4448-34L can be seen below.