Block N87 Transformer Core, 780nH, For Use With Choke Converter Topologies, Transmitter

Block FS-1EFD Series Size 15/8/5 Ferrite Transformer Cores

FS-1EFD series size 15/8/5 ferrite transformer cores made from N87. These EFD low profile type ferrite transformer cores are available with air gaps inserted:
Stock number 840-7487 has a 0.1mm gap
Stock number 840-7569 has a 0.2mm gap
Stock number 840-7642 has a 0.5mm gap
Stock number 840-7730 has a 1.0mm gap
Typical applications for these ferrite cores include transformers and reactors in switch mode power supplies
For bobbins see stock numbers 840-7305 and 840-7314

Transformer Ferrite Kits - Cores