transformer bobbin, bakelite parts, transformer parts EE5 to EE55 series bobbins EF12.6, EF16, EF20, EF25 or EF32 series bobb transformer bobbin, bakelite parts, transformer partsEE5 to EE55 series bobbins EF12.6, EF16, EF20, EF25 or EF32 series bobbins ETD29, ETD34, ETD39, ETD44, ETD49, ETD54 or ETD59 series bobbins RM4, RM5, RM6, RM7, RM8, RM10, RM12 or RM14 series bobbins PQ1616 to PQ5050 ...