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.
FSB31-3/16, ID=3/16", RFI Range 1-300 MHz - Single Piece USB, Mouse, Keyboard, Audio cable size
Product Details
Initial Permeability (@ 10KHz): 1500
Material: MnZn
Max cable size - in/mm: .25/6.3
OD (A) - in/mm: .788/20
ID (B) - in/mm: .26/6.6
Length (C) - in/mm: 1.55/39.4
Z (ohms per bead - single turn 1 MHz): 28
Z (ohms per bead - single turn 5 MHz): 83
Z (ohms per bead - single turn 10 MHz): 105
Z (ohms per bead - single turn 25 MHz): 180
Z (ohms per bead - single turn 100 MHz): 310
Z ohms (per bead - single turn 250 MHz): 240
Ferrite Snap On, ID = .201 in, Mix 31
0.504" W x 0.220" H (12.80mm x 5.59mm)
Excellent for RFI/Noise reduction for AV cable, Coaxial Audio, Audio Power Line, IP Serial Port Camera, Computer USB, etc.,