Block FS-1EFD Series Size 25/13/9 Ferrite Transformer Cores
FS-1EFD series size 25/13/9 ferrite transformer cores made from N87. These EFD low profile type ferrite transformer cores are available with air gaps inserted: Stock number 840-7484 has a 0.1mm gap Stock number 840-7572 has a 0.2mm gap Stock number 840-7654 has a 0.5mm gap Stock number 840-7737 has a 1.0mm gap Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies For bobbins see stock numbers 840-7320 and 840-7323
Transformer Ferrite Kits - Cores
The AL value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276