The XEL5020-221ME from Coilcraft is a RF Inductor with Inductance 0.22 uH, DC Resistance 0.0035 to 0.00405 Ohms, DC Current 17 to 21 A, Self Resonant Frequency 129 MHz, Operating Temperature -40 to 125 Degree C. Tags: Chip Inductor. More details for XEL5020-221ME can be seen below.