I have toroidal inductor core but i don't know if it is ferrite or powered iron ,could you help ?
it has this shape
http://www.jpmsupply.com/servlet/the-603/T106-dsh-6,-ferrite,-toroid/Detail
it has this shape
http://www.jpmsupply.com/servlet/the-603/T106-dsh-6,-ferrite,-toroid/Detail
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