Fair-Rite 5977001801
7Mm X 6.Transformer Core, Toroid, 77; Core Type:Toroid; Core Size:22.35Mm; Core Material Grade:77; For Use With:Power Input Filters, Ground-Fault Interrupters, Common-Mode Filters , Pulse & B 53M4884 |FAIR-RITE 5977001801.1Mm X 13.