1. material: Mn-Zn 2. High permeability , low-power loss 3.provide the match bobbin 4.series: EE,EI, ... ferrite cores,soft ferrite cores,magnetic cores, u ferrite cores, ferrite pot core, ferrite rod cores, soft ferrite core, high permeability ferrite cores, aetd ferrite core, n87 ferrite core, ef20 ferrite core, round ferrite core, L shape ferrite core ...