Coax Inline Common Mode Choke Unun - 500 Watts 25-300 MHz- 10, 11, 6, 4, 2 Meters

Name: Coax Inline Common Mode Choke Unun - 500 Watts 25-300 MHz- 10, 11, 6, 4, 2 Meters
Brand: Palomar Engineers
SKU: FC-8X-3-31
Price: 27.95 USD
Availability: InStock

Store/Antenna Products/Coax Feed Line Common Mode Chokes/Common Mode Chokes, Line Isolators

SKU FC-8X-3-31

$27.95

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List price ~~$39.95~~ Save 30%

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Output Connector

PL-259

Solder Lugs

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Quantity	Price per item	Discount
2 items	$24.95	11% off
10 items	$19.95	29% off
100 items	$17.95	36% off

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Coax Inline Common Mode Choke Unun - 500 Watts 25-300 MHz- 10, 11, 6, 4, 2 Meters

Store/Antenna Products/Coax Feed Line Common Mode Chokes/Common Mode Chokes, Line Isolators

Product Details

Brand: Palomar Engineers

MPN: FC-8X-3-31

Effective Frequency Range (MHz): 25-300 MHz (3 bead)

PEP Power Rating (watts): same as coax cable rating

Estimated Insertion Loss (db): .025

Input Connector Type: none

Output Connector Connector Type: none

Ground Connector (Y/N): none

Enclosure Size (LxWxH inches): none

ASSEMBLED COAX FEED LINE CHOKES

Many customers have requested an assembled sleeve unun or balun 1/4" size cable and we have one all completed with shrink tubing and PL-259 end connectors or open ended on one end for a balanced connection such as a beam, dipole, etc.

All you need to add are 2 barrel connectors (Part # DFBC-1) to insert into your coax cable. For best results add one feed line choke at the antenna to keep the RF on the antenna and another feed line choke at the station entrance to reduce the common mode noise picked up by the antenna braid and fed into the station. Rated 500 watts from 25-300 MHz into 1:1 SWR load.

Common Mode Rejection Ratio up to 20 dB (over 3 "S" units) - see graph for specifics..

Available with PL-259 output or solder lug output (for attachment to a balanced output such as a yagi antenna for dipole fed antenna

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.