5:1 Baluns/Ununs

5:1 CUBE™ Unun – Model CU-5-1500 (50:250 Ohm, 1.8-61 MHz, 1.5KW PEP)

Application. For traveling wave, end fed or portable 20-31 foot vertical antennas the 5:1 unun makes a good transformer for converting 50 ohm coax to a 250 ohm feed point. If you use the antenna on multiple bands, the feed point impedance may not always be 250 ohms and use of the unun at high (>350 ohms) or low (<100 ohms) will require reduced power input or the unun may have its power ratings exceeded and damage to the unun may occur. The (5:1 conversion ratio will change for loads other than 250 ohms unbalanced.

Typical application:

CU 5 1500 antenna - 5:1 Baluns/Ununs

Also available as a balanced output – CB-5-1500

3253420329 - 5:1 Baluns/Ununs
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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
SKU F23-61
$0.39
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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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