The BCL-531JL from Coilcraft is a RF Inductor with Inductance 0.53 uH, DC Resistance 0.15 Ohms, DC Current 1.06 A, Operating Temperature -40 to 85 Degree C (with Irms Current), -40 to 125 Degree C (with Derated Current), Storage Temperature -40 to 125 Degree C. Tags: Conical Inductor. More details for BCL-531JL can be seen below.