The 744784222A from Wurth Elektronik is a RF Inductor with Inductance 0.22 uH, DC Resistance 4 Ohms, DC Current 100 mA, Self Resonant Frequency 450 MHz, Operating Temperature -55 to 125 Degree C. Tags: Multilayer Inductor, Ceramic Inductor. More details for 744784222A can be seen below.