The AS0821N5*TR from KYOCERA AVX is a RF Inductor with Inductance 0.0215 uH, DC Resistance 9 Ohms, DC Current 4.4 A, Self Resonant Frequency 3.7 GHz, Operating Temperature -40 to 125 Degree C. Tags: Air Core Inductor, Wire Wound Inductor. More details for AS0821N5*TR can be seen below.