The TT471-8I-10 from PICONICS is a Space Qualified Inductor with Inductance 0.34 to 0.47 µH, DCR 1 Ohms, Saturation Current 100 mA, SRF 290 MHz, Temperature Operating Range -55 to 125 Degree C. Tags: Through Hole, Screw Mount. More details for TT471-8I-10 can be seen below.