The 506WLSN3R30KT350T from KYOCERA AVX is a RF Inductor with Inductance 3.30 uH, DC Resistance 1.15 Ohms, DC Current 0.350 A, Self Resonant Frequency 1.3 MHz to 40 GHz (Operating), Operating Temperature -55 to 125 Degree C. Tags: Conical Inductor, Wire Wound Inductor. More details for 506WLSN3R30KT350T can be seen below.