Toroidal cores are used in a wide variety of applications such as power input filters, ground- fault interrupters, common- mode filters and in pulse and broadband transformers.

You can use these cores for a range of Balun and Broadband transformer project.

 

These type 61 mix toroid’s are suitable for the creation of a transformer for CobWeb antennas. Please use two for QRO operations.

 

Dimensions
61.00mm Wide
12.70mm Thick
35.55mm Hole

 

The type 61 ferrite is specifically useful as a common mode choke at the higher end of the HF bands. Please see or more details.