These baluns and ununs can be used for impedance matching and also as End Fed halfwave antenna matching transformers to 50 or 75 ohm coax cable.
FB37-43 - ID 0.193" Dia (4.90mm) OD 0.375" Dia (9.53mm) Length 0.410" (10.41mm), RFI Range 20-250 MHz
Product Details
MPN: FB63-43
Initial Permeability (@ 10KHz): 5000
Material: MnZn
Max cable size - in/mm: .193/4.75
OD (A) - in/mm: .375/9.5
ID (B) - in/mm: .193/4.75
Length (C) - in/mm: .41/10.4
Z (ohms per bead - single turn 1 MHz): 5
Z (ohms per bead - single turn 5 MHz): 20
Z (ohms per bead - single turn 10 MHz): 34
Z (ohms per bead - single turn 25 MHz): 53
Z (ohms per bead - single turn 100 MHz): 80
Z ohms (per bead - single turn 250 MHz): 92
Ferrite Slip On Bead, ID = .193in/4.75mm, Mix 43 - excellent tor individual wire common mode choke, 1 piece
FB37-43 - Solid Free Hanging Ferrite Core 80Ohm @ 100MHz., ID 0.193" Dia (4.90mm) OD 0.375" Dia (9.53mm) Length 0.410" (10.41mm)