Off Center Fed (OCF) Antennas

FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz, 10 Pack

SKU FSB75-3/8-10
$99.50
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FSB75-3/8, ID=3/8", RFI Range 150Khz-10 MHz, 10 Pack
Product Details
Initial Permeability (@ 10KHz): 5000
Material: MnZn
Max cable size - in/mm: .388/9.85
OD (A) - in/mm: .906/23
ID (B) - in/mm: .4/10.15
Length (C) - in/mm: 1.55/39.4
Z (ohms per bead - single turn 200 KHz): 18
Z (ohms per bead - single turn 500 KHz): 46
Z (ohms per bead - single turn 1 MHz): 92
Z (ohms per bead - single turn 2 MHz): 115
Z (ohms per bead - single turn 5 MHz): 74

Ferrite Snap On, ID = .40 in/10.15mm, Mix 75, 10 pack - very useful for low frequency 150 KHz - 10 MHz. Better than Mix 31 below 4 MHz.

OCF antennas are very convenient as they will allow multiple bands of operation with a simple wire antenna which is fed off center with a 4:1 OCF Current balun with built in feed line choke,