The 0603HP-R39X_R_ from Coilcraft is a RF Inductor with Inductance 390 nH, DC Resistance 4 Ohms, DC Current 0.17 A(170 mA), Self Resonant Frequency 0.88 GHz, Operating Temperature -40 to 125 Degree C. Tags: Ceramic Inductor, Chip Inductor. More details for 0603HP-R39X_R_ can be seen below.