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FSB31-1/2, ID=1/2", RFI Filter Range 1-300 MHz, 1 Piece

SKU FSB31-1/2-1
$5.95
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FSB31-1/2, ID=1/2", RFI Filter Range 1-300 MHz, 1 Piece
Product Details
Initial Permeability (@ 10KHz): 1500
Material: MnZn
Max cable size - in/mm: .5/12.7
OD (A) - in/mm: 1.22/31
ID (B) - in/mm: .514/13.1
Length (C) - in/mm: 1.55/5
Z (ohms per bead - single turn 1 MHz): 25
Z (ohms per bead - single turn 5 MHz): 71
Z (ohms per bead - single turn 10 MHz): 100
Z (ohms per bead - single turn 25 MHz): 156
Z (ohms per bead - single turn 100 MHz): 260
Z ohms (per bead - single turn 250 MHz): 260

Ferrite Snap On, ID = .514in/13.1 mm, Mix 31

# Turns of RG-8X = 2

# Turns of RG-213 = 1

Square or Hex sided depending upon inventory stock

Testimonial:

I am 83 years old and live in a retirement facility. I had to give up my home station when
I moved here, but I kept my 40 meter CW QRP rig. My antenna is a Shakespeare 8' whip.
It has a helical winding and is for ship to shore use. When I tried to use it in my apartment
on the 5th floor all I could hear was noise. I bought two split ferrite beads from Palomar
that are large enough for me to get two turns on RG 58 in them and to my amazement the
noise is very diminished and I hear ham CW now. Just wanted you to know how good this
worked for me. I have had this call W3ROO since early 1951 and don't want to have to give
up ham radio.

73 Charlie W3ROO