Fair-Rite 2631103002
FERRITE CORE, CYLINDRICAL, 340 OHM/100MHZ, 300MHZ; Outer Diameter:31.6mm; Length:50.8mm; Inner Diameter:19.55mm; Frequency Min:1MHz; Frequency Max:300MHz; Product Range:-; External Diameter:31.6mm; Impedance:340ohm; Material Grade:31