Ferrite Ring Combo Pack

The Ferrite Ring Combo Pack is a convenient solution for troubleshooting RFI/EMI from unknown frequencies or multiple frequencies that require multiple  suppression mixes.  Included in this combo pack are ten 2.4″ OD/1.4″ ID ring toroids as follows:

Mix 75 effective from .15-10 MHz including AM Broadcast band – quantity: 3

Mix 31 effective from 1-300 MHz for general purpose – quantity: 4

Mix  61 effective from 200-2000 MHz for cell phone, WIFI, HDTV,  Cable TV interference – quantity: 3

442283873 - Ferrite Ring Combo Pack
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FB37-43 - ID 0.193" Dia (4.90mm) OD 0.375" Dia (9.53mm) Length 0.410" (10.41mm), RFI Range 20-250 MHz

Store/Ferrite Core Products/Mix 43/Slip On - Mix 43 - RFI Range 20-300 MHz
SKU FB37-43-1
$0.40
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FB37-43 - ID 0.193" Dia (4.90mm) OD 0.375" Dia (9.53mm) Length 0.410" (10.41mm), RFI Range 20-250 MHz
Store/Ferrite Core Products/Mix 43/Slip On - Mix 43 - RFI Range 20-300 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)

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The ring toroids are useful for AC/DC common mode choking with multiple turns as shown below

20131210 114716 300x180 - Ferrite Ring Combo Pack

AC Cable on F-240 Toroid – 7 turns

20150125 103738 300x168 - Ferrite Ring Combo Pack

DC Cable on F240 – 4 turns

The ring toroids can also be used on coax or signal lines as shown below:

20131222 125533 300x180 - Ferrite Ring Combo Pack

RG58 12 turns on FT240

20131210 115137 300x180 - Ferrite Ring Combo Pack

Ethernet Cable on F-240 Toroid – 7 turns

For RFI/EMI wrap as many turns as possible for higher choking (under 30 mHz).