2:1 Baluns/Ununs

Connector already on the cable? Don’t want to remove it? Use Snap On Ferrite split bead kits that clamp over the cable.

SNAP ON Sizes for Heliax and Coax Cable

Shown in the table are the SLIP ON and SNAP ON products for various popular Heliax and coax cables. These are the correct size for making common mode chokes for coaxial cable using either Snap On ferrite beads.

SNAP per Coax - 2:1 Baluns/Ununs


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2:1 (100:50) Baluns are useful between 50 ohm coax and 100 ohm balanced lines for loops, cubical quads, log periodics and other antennas where the impedance at the end of the feedline is 100 ohms (1/2 wavelength feedline).