The 744765039A from Wurth Elektronik is a RF Inductor with Inductance 0.0039 uH, DC Resistance 0.066 Ohms, DC Current 840 mA, Self Resonant Frequency 5800 MHz, Operating Temperature -40 to 125 Degree C. Tags: Wire Wound Inductor, Ceramic Inductor. More details for 744765039A can be seen below.