Onde compro toroidal de silicio p/ que eu possa enrolar?

[senajofyox]

No Brasil

só da ferragem! http://i00.i.aliimg.com/photo/v0/397786862/CRGO_TOROIDAL_CORE.jpg

http://image.made-in-china.com/2f0j00TBjazsDgJkVP/BDV-Varnished-Toroidal-Core-with-the-Max-Iron-Loss-of-0-85W-Kg-at-P1-5-50.jpg