Conductor: 99.99% Oxygen-free copper, round enamelled wire, Insulation: Type V enamel, Inductance values tested at 25oC and at 1 kHz, Inductance tolerance: +/-5%, Connecting lead length: 10mm; last 9mm tinned, Core type: Bobbin style core Core material: Mangan-zinc-ferrite, optimised for good power transfer FERROBAR inductors offer low distortion as well as low DC resistance