The 7847805390 from Wurth Elektronik is a RF Inductor with Inductance 0.0039 uH, DC Resistance 0.12 Ohms, DC Current 850 mA, Self Resonant Frequency 6 GHz, Operating Temperature -55 to 105 Degree C. Tags: Multilayer Inductor, Ceramic Inductor. More details for 7847805390 can be seen below.