1.8–54MHz HF Choke Balun Magnetic Core | SW Radio 500W HF Choke Balun Vue China Mainland

1.8–54MHz HF Choke Balun Magnetic Core | SW Radio 500W

China Mainland
Sale price  $152.99 Regular price $188.99
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1.8–54MHz HF Choke Balun Magnetic Core | SW Radio 500W HF Choke Balun Vue China Mainland

1.8–54MHz HF Choke Balun Magnetic Core | SW Radio 500W

Sale price  $152.99 Regular price $188.99
Ships FromChina Mainland

1.8–54MHz HF Choke Balun Magnetic Core — Shortwave Choke Coil for HF/SW Radio

Take your shortwave and HF radio setup to the next level with this precision-engineered 1.8–54MHz Choke Balun Magnetic Core. Designed for amateur radio operators, RF technicians, and electronics enthusiasts, this compact choke coil delivers outstanding common-mode current suppression and minimizes electromagnetic interference across the full HF/SW frequency range — from 1.8 MHz all the way to 54 MHz.

Made in Mainland China.

Key Features

  • Wide HF/SW Frequency Coverage: Engineered specifically for devices operating from 1.8 to 54 MHz, ensuring reliable performance across shortwave, amateur, and HF communication bands.
  • High-Power Rated — Up to 500W: The ferrite magnetic core offers outstanding heat resistance and saturation stability, making it dependable even in demanding, high-power operating conditions.
  • Plug-and-Play Installation: Fitted with M-type male-to-female connectors for a tool-free, hassle-free setup. Simply connect it inline and you're ready to go.
  • Superior EMI Suppression: Utilizes a high-quality imported ferrite core for excellent common-mode current reduction and long-term electromagnetic durability — keeping your signal clean and stable.
  • Versatile Applications: Ideal for shortwave communications, RF testing environments, emergency radio setups, antenna feed lines, and general HF system accessory use.
  • Compact & Robust Build: Constructed from durable plastic and metal materials in a compact 60 × 60 × 21 mm form factor — easy to integrate into any workbench or field radio kit.

Specifications

Frequency Range 1.8 – 54 MHz
Power Rating 500W
Core Type High-permeability ferrite magnetic core
Connector Type M-type male-to-female
Balun Ratio 1:1 Current Balun
Dimensions Approx. 60 × 60 × 21 mm / 2.36 × 2.36 × 0.83 in
Material Plastic + Metal
Country of Origin Mainland China

What's in the Box?

  • 1 × Shortwave HF Choke Balun Magnetic Coil

Note: Due to varying monitor settings and lighting conditions, the actual appearance of the item may differ slightly from product images. Please allow a 1–2 cm tolerance in measurements due to manual measurement methods.

For more information on electromagnetic compatibility (EMC) and RF interference standards, visit the FCC or refer to technical resources at NIST Electronics & RF Standards.

Frequently Asked Questions

Q: What is an HF choke balun and what does it do in a shortwave radio setup?

A: An HF choke balun (current balun) is a device placed in-line on a coaxial feed line or antenna connection to suppress common-mode currents — unwanted RF currents that travel back along the outside of the coax shield. This reduces electromagnetic interference (EMI), improves signal clarity, and protects your radio equipment. This 1:1 current balun is optimized for the 1.8–54 MHz HF/shortwave range.

Q: Is this choke balun compatible with high-power transmitters?

A: Yes. This choke balun is rated for up to 500W, making it suitable for a wide range of amateur radio transmitters and HF communication systems that operate within the 1.8–54 MHz frequency band.

Q: What connector type does this choke balun use?

A: This balun features M-type (PL-259/SO-239 style) male-to-female connectors for a straightforward plug-and-play inline installation. No additional adapters or tools are required in most standard HF radio setups.

Q: Can this balun be used for RF testing and measurement applications?

A: Absolutely. In addition to amateur radio and shortwave communication use, this choke coil is well-suited for RF test benches, field measurement setups, emergency communications gear, and antenna feed line applications across the HF/SW spectrum.

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