The TT681-8I-10 from PICONICS is a Space Qualified Inductor with Inductance 0.5 to 0.68 µH, DCR 1.3 Ohms, Saturation Current 100 mA, SRF 240 MHz, Temperature Operating Range -55 to 125 Degree C. Tags: Through Hole, Screw Mount. More details for TT681-8I-10 can be seen below.