2:1 Baluns/Ununs

2329254353 - 2:1 Baluns/Ununs

FT140-43, ID=.9", OD=1.4", RFI Range 25-300 MHz

Store/Ferrite Core Products/Mix 43/Ring - Mix 43 RFI Range: 25-300 MHz
SKU F140-43
$3.89
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FT140-43, ID=.9", OD=1.4", RFI Range 25-300 MHz
Store/Ferrite Core Products/Mix 43/Ring - Mix 43 RFI Range: 25-300 MHz
Product Details
RFI Range (MHz): 20-250 Mhz
ID-B (in/mm): .9/23
OD-A (in/mm): 1.4/35.6
Height-C (in/mm): .5/12.7
Weight (oz/gm): 33 grams
Initial permeability: 850
A(L): 1060
Frequency (MHz)/Single turn impedance (ohms): 25MHz:38 ohms, 100 MHz:80 ohms

Ferrite Ring Toroid Core, ID = .9"/23mm, Mix 43

Excellent for impedance transformers like 2:1, 4;1, 9:1 or use our convenient Balun/Unun DIY kits with all the parts needed.

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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).