Block N87 ETD 59 Transformer Ferrite Core, 5300nH, For Use With Choke Converter Topologies, Transmitter

FS-1ETD series size 59/31/22 ferrite transformer cores made from N87 with a cylindrical centre leg. These ETD ferrite cores are available with air gaps inserted:
Stock number 840-7428 has a 0.1mm gap
Stock number 840-7516 has a 0.2mm gap
Stock number 840-7597 has a 0.5mm gap
Stock number 840-7670 has a 1.0mm gap

For bobbins see stock numbers 840-7361 and 840-7370

Easy compilation of components for pattern construction
Cost saving through standardisation

Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies.

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