At one or both ends in the longitudinal direction of the primary bobbin, {TAIL ~ an extended connecting portion} extended from 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 {HEAD ~ the bobbin main portion} 
At one or both ends in the longitudinal direction of the primary bobbin , { TAIL ~ an extended connecting portion } extended from 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 { HEAD ~ the bobbin main portion }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD