The PCSDR125-3R9T-RC from Allied Components International is a Power Inductor with Inductance 3.9 µH, Inductance Tolerance ±30 %, DCR 0.0099 ohm, Saturation Current 10.99 A, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for PCSDR125-3R9T-RC can be seen below.