The 0603HP-5N1X_R_ from Coilcraft is a RF Inductor with Inductance 5.1 nH, DC Resistance 0.036 Ohms, DC Current 1.7 A(1700 mA), Self Resonant Frequency 8.9 GHz, Operating Temperature -40 to 125 Degree C. Tags: Ceramic Inductor, Chip Inductor. More details for 0603HP-5N1X_R_ can be seen below.