The AL12B22N0*TR from KYOCERA AVX is a RF Inductor with Inductance 0.022 uH, DC Resistance 0.0052 Ohms, DC Current 4 A, Self Resonant Frequency 2.1 GHz, Operating Temperature -40 to 125 Degree C. Tags: Air Core Inductor, Wire Wound Inductor. More details for AL12B22N0*TR can be seen below.