The 744784139A from Wurth Elektronik is a RF Inductor with Inductance 0.039 uH, DC Resistance 1 Ohms, DC Current 200 mA, Self Resonant Frequency 1200 MHz, Operating Temperature -55 to 125 Degree C. Tags: Multilayer Inductor, Ceramic Inductor. More details for 744784139A can be seen below.