Tube Feed Line Chokes

Slip On - Mix 43 - RFI Range 20-300 MHz

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4435006500 - Tube Feed Line Chokes
BN43-7051 - ID 0.250" Dia (6.35mm) Length 1.130" (28.7mm) Width 0.561" (14.25mm), RFI Range 20-250 MHz, Transformer Range:1-200 MHz
BN43-7051 - ID 0.250" Dia (6.35mm) Length 1.130" (28.7mm) Width 0.561" (14.25mm), RFI Range 20-250 MHz, Transformer Range:1-200 MHz
SKU BN43-7051
$4.95
581480222 - Tube Feed Line Chokes
FB102-43 - 1/2" ID/12.8mm, RFI Range 25-300 MHz
FB102-43 - 1/2" ID/12.8mm, RFI Range 25-300 MHz
SKU FB102-43-1
$3.30
On Sale
581498837 - Tube Feed Line Chokes
FB102-43 - 1/2" ID/12.8mm, RFI Range 25-300 MHz, Bulk Pack of 100
FB102-43 - 1/2" ID/12.8mm, RFI Range 25-300 MHz, Bulk Pack of 100
SKU FB102-43-100
List price $330.00
Save 26%
$245.00
On Sale
581498837 - Tube Feed Line Chokes
FB102-43 - 1/2" ID/12.8mm, RFI Range 25-300 MHz, Bulk Pack of 23
FB102-43 - 1/2" ID/12.8mm, RFI Range 25-300 MHz, Bulk Pack of 23
SKU FB102-43-23
List price $75.90
Save 8%
$69.95
On Sale
581498851 - Tube Feed Line Chokes
FB102-43 - 1/2" ID/12.8mm, RFI Range 25-300 MHz, Case of 212 or Multi-case discount
FB102-43 - 1/2" ID/12.8mm, RFI Range 25-300 MHz, Case of 212 or Multi-case discount
SKU FB102-43-212
List price $699.60
Save 37%
$439.00
4695534814 - Tube Feed Line Chokes
FB153-43 - 1/2" OVAL ID/12.95mm, RFI Range 25-300 MHz
FB153-43 - 1/2" OVAL ID/12.95mm, RFI Range 25-300 MHz
SKU FB153-43
$4.95
On Sale
581498131 - Tube Feed Line Chokes
FB200-43 - 1" ID, RFI Range 10-250 MHz - Excellent for high power impedance transformers, common mode chokes
FB200-43 - 1" ID, RFI Range 10-250 MHz - Excellent for high power impedance transformers, common mode chokes
SKU FB200-43
List price $23.50
Save 41%
$13.95
On Sale
581498158 - Tube Feed Line Chokes
FB37-43 - ID 0.193" Dia (4.90mm) OD 0.375" Dia (9.53mm) Length 0.410" (10.41mm), RFI Range 20-250 MHz
FB37-43 - ID 0.193" Dia (4.90mm) OD 0.375" Dia (9.53mm) Length 0.410" (10.41mm), RFI Range 20-250 MHz
SKU FB37-43-1
List price $1.03
Save 61%
$0.40
581480178 - Tube Feed Line Chokes
FB68-43 - .375" ID, RFI Range RFI Freq: 25-250 MHz, Unun/Balun, RF Range: 1-200 MHz, RG-6 Cable
FB68-43 - .375" ID, RFI Range RFI Freq: 25-250 MHz, Unun/Balun, RF Range: 1-200 MHz, RG-6 Cable
SKU FB68-43-1
$0.89
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TUBE feed line chokes/Line Isolators are used to suppress common mode current carried on the outside of the  coax braid which is often responsible for receiver noise and RFI in the receiver/transmitter. These chokes are very useful for suppressing RFI common mode current at the antenna feed point, at 1/4 wavelength intervals along the coax feed line and also at the entrance to the radio station.  They are available with various input and output connectors so as to conveniently connect to standard output connectors already installed on your feed line.

Palomar Engineers TUBE feed line chokes are designed to have 2-5 times more choking impedance over a broader frequency range than competitor units in similar packaging.  Each choke has the choking impedance and effective frequency range on the product label so you can choose the product best suited for your application.