10pcs T50 2 Carbonyl Iron Powder Cores T50-2 13*7.5*5 mm 4.9nH/N2 Dust 10μo Ferrite Toroid Red Core MICROMETALS HF, QR

10pcs T50 2 Carbonyl Iron Powder Cores T50-2 13*7.5*5 mm 4.9nH/N2 Dust 10μo Ferrite Toroid Red Core MICROMETALS HF, QR