Block N87 Transformer Core, 1000nH, For Use With Reactors, Transformers

FS-1E series size 13/7/4 ferrite transformer cores made from N87. These standard 'E' type ferrite transformer cores are available with air gaps inserted:
Stock number 840-7430 has a 0.1mm gap
Stock number 840-7513 has a 0.2mm gap
Stock number 840-7601 has a 0.5mm gap
Stock number 840-7682 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 840-7232, 840-7241 and 840-7244
For potting box see stock number 840-7389

Transformer Ferrite Kits - Cores

The A_L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276