The 744900039 from Wurth Elektronik is a RF Inductor with Inductance 0.0039 uH, DC Resistance 1.2 Ohms, DC Current 150 mA, Self Resonant Frequency 6000 MHz, Operating Temperature -40 to 125 Degree C. Tags: Thin Film Inductor, Chip Inductor. More details for 744900039 can be seen below.