12:1 Baluns/Ununs

3253420329 - 12:1 Baluns/Ununs
+2

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

Store/Ferrite Core Products/All Ferrite Ring Toroid Cores/FT Mix 61 - RFI Range: 200-2000 MHz
SKU F23-61
$0.39
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10 items$0.3413% off
100 items$0.2926% off
1000 items$0.2438% off
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F23-61 Ferrite Ring - .12" ID, .229" OD - RFI Range - 200-2000 MHz
Store/Ferrite Core Products/All Ferrite Ring Toroid Cores/FT Mix 61 - RFI Range: 200-2000 MHz
Product Details
MPN: F23-61
Initial Permeability (@ 10KHz): 125
Material: MnZn
OD (A) - in/mm: .229/5.95
ID (B) - in/mm: .12/3.05
Length (C) - in/mm: .06/1.65

Ferrite Ring, ID = .12 in/3.05mm, Mix 61

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12:1 Baluns are useful between 600-650 ohm balanced loads the impedance at the  end of the feed line is 600 ohms (1/2 wavelength feed line), or high impedance feeds for rhombic,  T2FD and traveling wave antennas.

12:1 Ununs are useful between coax and long wires with a load impedance near 600 ohms like a beverage antenna.  Shortwave listener antennas also can benefit with the 12:1 unun and it may provide a better match than 9:1 ununs – this means quieter noise levels and stronger signals so you can hear distance stations easier.