The AL12B17N5*TR from KYOCERA AVX is a RF Inductor with Inductance 0.0175 uH, DC Resistance 0.0045 Ohms, DC Current 4 A, Self Resonant Frequency 2.2 GHz, Operating Temperature -40 to 125 Degree C. Tags: Air Core Inductor, Wire Wound Inductor. More details for AL12B17N5*TR can be seen below.