soft ferrite toroid cores 1.custom design available 2.supply with ... .supply with matched bobbin 4.ToHs soft ferrite toroid cores Description:1.Shape:bar ,ball,strip,stick,coil, ... :(Initial Permeability)400~6004.Cutie Temperature 150~3005. Saturation flux density :4.6~4.7.6.frequency range:0.05 ... Size: we have all kind of size ferrite cores,can be designed by the customerOther information:Packaging details ...