The 744765139A from Wurth Elektronik is a RF Inductor with Inductance 0.039 uH, DC Resistance 0.55 Ohms, DC Current 320 mA, Self Resonant Frequency 2100 MHz, Operating Temperature -40 to 125 Degree C. Tags: Wire Wound Inductor, Ceramic Inductor. More details for 744765139A can be seen below.