These baluns and ununs can be used for impedance matching and also as End Fed halfwave antenna matching transformers to 50 or 75 ohm coax cable.

FT Mix 61 - RFI Range: 200-2000 MHz

Store/Ferrite Core Products/All Ferrite Ring Toroid Cores/FT Mix 61 - RFI Range: 200-2000 MHz

Mix #52, Material: NiZn, Initial Permeability: 250

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F23-61 Ferrite Ring - .12" ID, .229" OD - RFI Range - 200-2000 MHz

SKU F23-61

$0.39

FT114A-61, ID=.75", RFI Range 250-2000 MHz

SKU F114A-61

$4.95

On Sale

FT140-61, ID=.9", RFI Range 200-2000 MHz - Bulk 10 Pack

SKU F140-61-10

List price ~~$38.95~~

Save 10%

$34.95

On Sale

FT140-61, ID=.9", RFI Range 200-2000 MHz - TX36/23/15-4C25 Replacement

SKU F140-61

List price ~~$4.50~~

Save 14%

$3.89

FT240-61, ID=1.4", RFI Range 200-2000 MHz

SKU F240-61-1

$16.95

FT240-61, ID=1.4", RFI Range 200-2000 MHz, Bulk Pack of 10

SKU F240-61-10

$149.99

On Sale

Ferrite Ring Combo Pack, FT140 - .9" ID, 15 Rings - Mix 43, 61, 77, RFI Range .1-2000 MHz

SKU FRCP-140-15

List price ~~$58.35~~

Save 14%

$49.95

Ferrite Ring Combo Pack, FT140 - .9" ID, 6 Rings - Mix 43, 61, 77, RFI Range .1-2000 MHz

SKU FRCP-140-6

$21.95

On Sale

Ferrite Ring Combo Pack, FT240 - 1.4" ID, 10 Rings - Mix 31(4), 61(3), 75(3), RFI Range .15-2000 MHz

SKU FRCP-240-10

List price ~~$139.50~~

Save 14%

$119.95

Ferrite Ring Mini Combo Pack, FT240 - 1.4" ID, 3 Rings - Mix 31, 61, 75, RFI Range .15-2000 MHz

SKU FRCP-240-3

$39.50