On the secondary core, a primary bobbin including {HEAD ~ a bobbin main portion} covering {TAIL ~ the side peripheral surface} of the core main portion and a holding portion formed integrally with and on one side of the bobbin main portion is formed out of an insulating synthetic resin 
covering
On the secondary core , a primary bobbin including { HEAD ~ a bobbin main portion } covering { TAIL ~ the side peripheral surface } of the core main portion and a holding portion formed integrally with and on one side of the bobbin main portion is formed out of an insulating synthetic resin
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH