The 0603HP-56NX_R_ from Coilcraft is a RF Inductor with Inductance 56 nH, DC Resistance 0.3 Ohms, DC Current 0.61 A(610 mA), Self Resonant Frequency 2.2 GHz, Operating Temperature -40 to 125 Degree C. Tags: Ceramic Inductor, Chip Inductor. More details for 0603HP-56NX_R_ can be seen below.