2set EI40 PC40 Ferrite Cores and bobbin 40mm
2set EI25 5+5pins PC40 Ferrite Cores and bobbin 25.4mm
2set EI33 PC40 Ferrite Cores and bobbin 33mm
2set EI28 13+13pins 5+5pins 6+6pins PC40 Ferrite Cores and bobbin 28mm
