... bobbins PQ1616 to PQ5050 series bobbins EFD15, EFD20, EFD25 or EFD30 series bobbins EPC13, EPC19, EPC25 or EPC30 series bobbins EP7 ... bobbins PQ1616 to PQ5050 series bobbins EFD15, EFD20, EFD25 or EFD30 series bobbins EPC13, EPC19, EPC25 or EPC30 series bobbins EP7 ... , POT3019 or POT3622 bobbins ER9.5, ER11 or ER14.5 SMD series bobbins EI22 to EI50 series bobbins Toroid cores case ...