At one or both ends in the longitudinal direction of the primary bobbin, {HEAD ~ an extended connecting portion} extended from {TAIL ~ the bobbin main portion} to the upper surface of the primary core is formed integrally with the bobbin main portion in a position offset relative to the bobbin main portion 
extended from
At one or both ends in the longitudinal direction of the primary bobbin , { HEAD ~ an extended connecting portion } extended from { TAIL ~ the bobbin main portion } to the upper surface of the primary core is formed integrally with the bobbin main portion in a position offset relative to the bobbin main portion
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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