2:1 Baluns/Ununs

1307174374 - 2:1 Baluns/Ununs
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FT400-3I, ID=3", RFI Range 1-300 MHz, Case of 25

Store/Ferrite Core Products/Mix 31/Ring - Mix 31 - RFI Range: 1-300 MHz
SKU F400-31-25
$829.95
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$33.96
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FT400-3I, ID=3", RFI Range 1-300 MHz, Case of 25
Store/Ferrite Core Products/Mix 31/Ring - Mix 31 - RFI Range: 1-300 MHz
Product Details
RFI Range (MHz): 1-300 MHz
ID-B (in/mm): 3/76.2
OD-A (in/mm): 4/101.6
Height-C (in/mm): 1/25.4
Weight (oz/gm): 420
Initial permeability: 1500

(4″ OD, 3″ ID hole), available in mix 31 only, Case of 25

Excellent for large cables or multiple cables – use multiple cores for higher choking. Also useful when you need high turns count for high choking with large cable - works on AC or DC power lines and also coax cable lines.

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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).