2:1 Baluns/Ununs

442300391 - 2:1 Baluns/Ununs
+2

FSB31-3/4, ID=3/4", RFI Range 1-300 MHz, Bulk Pack of 5

Store/Ferrite Core Products/Mix 31/Snap On - Mix 31 - RFI Range 1-300 MHz
SKU FSB31-3/4-5
$34.95
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FSB31-3/4, ID=3/4", RFI Range 1-300 MHz, Bulk Pack of 5
Store/Ferrite Core Products/Mix 31/Snap On - Mix 31 - RFI Range 1-300 MHz
Product Details
Initial Permeability (@ 10KHz): 1500
Material: MnZn
Max cable size - in/mm: .728/18.5
OD (A) - in/mm: 1.15/29.2
ID (B) - in/mm: .74/18.8
Length (C) - in/mm: 1.65/41.9
Z (ohms per bead - single turn 1 MHz): 16
Z (ohms per bead - single turn 5 MHz): 48
Z (ohms per bead - single turn 10 MHz): 89
Z (ohms per bead - single turn 25 MHz): 125
Z (ohms per bead - single turn 100 MHz): 220
Z ohms (per bead - single turn 250 MHz): 310

Ferrite Snap On, ID = .74 in/18.8 mm, Mix 31, Bulk pack of 5

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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).