... bobbin|plastic bobbin|ferrite bobbin|coil bobbinbobbin range: EE,EF,EFD,EPC,EC,EER,ER,PQ,UU,RM ... custom-made as client's specific requirement.3.Supply with the service of grind air-gap.4.Offer ... delivery,favourable price and execllent after-sale service. ยท EE sereis:applied in the switching power supply,main power transformer ... website: www.ougedianzi.com EE40 transformer bobbin-vertical with pin6+6