The 7847804390 from Wurth Elektronik is a RF Inductor with Inductance 0.039 uH, DC Resistance 1.06 Ohms, DC Current 200 mA, Self Resonant Frequency 1.2 GHz, Operating Temperature -55 to 105 Degree C. Tags: Multilayer Inductor, Ceramic Inductor. More details for 7847804390 can be seen below.