All high frequency switching transformer cores are cast ferrite. No
laminations to deal with. They are called E cores because they look like
the letter E.
John said that after he removed the transformer from the board, he
separated the ferrite core halves by heating the glued joints with a Bic
lighter, then pulling the cores out. Then you unwind the tape form the
bobbin and remove the outer winding.
On 10/14/15 11:34 AM, gregebert wrote:
I'm curious about adding windings to the transformer. Is this particular
transformer constructed so you can pop-out the bobbin, or does it have
those obnoxious interleaved E-cores that require you to split them all
apart, recoat, etc ? Or worse yet, thread each turn thru the core ?
--
David Forbes, Tucson AZ
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