2:1 Baluns/Ununs

442300399 - 2:1 Baluns/Ununs
+2

FSB31-3/8, ID=3/8", RFI Range 1-300 MHz, Bulk Pack of 10

Store/Ferrite Core Products/Mix 31/Snap On - Mix 31 - RFI Range 1-300 MHz
SKU FSB31-3/8-10
$33.75
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List price $37.50
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FSB31-3/8, ID=3/8", RFI Range 1-300 MHz, Bulk Pack of 10
Store/Ferrite Core Products/Mix 31/Snap On - Mix 31 - RFI Range 1-300 MHz
Product Details
MPN: FSB31-3/8
Initial Permeability (@ 10KHz): 1500
Material: MnZn
Max cable size - in/mm: .354/9.0
OD (A) - in/mm: .933/23
ID (B) - in/mm: .354/9
Length (C) - in/mm: 1.55/39.4
Z (ohms per bead - single turn 1 MHz): 18
Z (ohms per bead - single turn 5 MHz): 50
Z (ohms per bead - single turn 10 MHz): 81
Z (ohms per bead - single turn 25 MHz): 144
Z (ohms per bead - single turn 100 MHz): 240
Z ohms (per bead - single turn 250 MHz): 270

Ferrite Snap On, ID = .354 in/9mm, Mix 31, pack of 10 pieces for RG-8X, cables up to 3/8" OD

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FSB31-3/8, ID=3/8", RFI Range 1-300 MHz, Bulk Pack of 50
FSB31-3/8, ID=3/8", RFI Range 1-300 MHz, Bulk Pack of 50
SKU FSB31-3/8-50
List price $187.50
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$149.95
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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).