The 7847806121 from Wurth Elektronik is a RF Inductor with Inductance 0.12 uH, DC Resistance 0.85 Ohms, DC Current 300 mA, Self Resonant Frequency 500 MHz, Operating Temperature -55 to 105 Degree C. Tags: Multilayer Inductor, Ceramic Inductor. More details for 7847806121 can be seen below.