The 744786139A from Wurth Elektronik is a RF Inductor with Inductance 0.039 uH, DC Resistance 0.7 Ohms, DC Current 400 mA, Self Resonant Frequency 1400 MHz, Operating Temperature -55 to 125 Degree C. Tags: Multilayer Inductor, Ceramic Inductor. More details for 744786139A can be seen below.