The primary bobbin 11 having {TAIL ~ the above mentioned shape} is molded out of an insulating synthetic resin, integral with the connecting portion 14 by insert molding process and the secondary core 2 is fixed in the primary bobbin 11 at the time of {HEAD ~ insert molding} 
The primary bobbin 11 having { TAIL ~ the above mentioned shape } is molded out of an insulating synthetic resin , integral with the connecting portion 14 by insert molding process and the secondary core 2 is fixed in the primary bobbin 11 at the time of { HEAD ~ insert molding }
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 OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD