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  3. HAMMARLUND BFC-25

HAMMARLUND BFC-25 Butterfly Capacitor Mag Loop Antenna 5-28PF

5-28pf Hammarlund Bfc-25 Butterfly Capacitor For A Mag-loop Antenna

( Brand: Hammarlund ), ( Manufacturer Part Number: BFC-25 ), ( Compatible Brand: Universal ), ( Type: Butterfly Variable Capacitor ), ( Features: Frequency Selector )

Review HAMMARLUND Butterfly Capacitor Mag loop Antenna

The Hammarlund BFC-25 5-28pf Butterfly Capacitor is a high-quality component designed specifically for use with Mag-Loop antennas. This capacitor, manufactured by Hammarlund, a renowned name in the field of radio equipment, is a testament to the brand's commitment to quality and precision.

The BFC-25 Butterfly Capacitor is a variable capacitor, capable of adjusting from 5 to 28 picofarads (pF). This wide range makes it versatile for use across various frequency bands, making it an ideal choice for Mag-Loop antennas used in HF (High Frequency) communications. The butterfly design of the capacitor allows for easy and precise adjustments, ensuring optimal tuning of your antenna for the best possible signal reception and transmission.

Made with high-quality materials, the Hammarlund BFC-25 Butterfly Capacitor is built to withstand the rigors of regular use. It features a robust construction that ensures longevity, even under harsh conditions. The capacitor is also designed to minimize stray RF (Radio Frequency) emissions, making it a safe and efficient addition to your radio setup.

In summary, the Hammarlund BFC-25 5-28pf Butterfly Capacitor is a top-tier component for Mag-Loop antennas. Its wide adjustment range, high-quality construction, and robust design make it a valuable addition to any HF communication setup. Whether you're a ham radio enthusiast, a shortwave listener, or a radio amateur, this capacitor is an essential tool for maximizing the performance of your Mag-Loop antenna.

The Hammarlund BFC-25 5-28pf butterfly capacitor is a popular choice for Mag-Loop antennas due to its high-quality construction and wide frequency range. Here are some pros and cons to consider before making a purchase:

Pros:

1. Wide frequency range: The BFC-25 covers a wide range of frequencies (5-28 MHz), making it suitable for a variety of radio communications, including amateur radio, shortwave broadcasts, and certain aircraft band communications.

2. High-quality construction: Hammarlund is known for its high-quality components, and the BFC-25 is no exception. It is built to withstand rigorous use, ensuring a long lifespan.

3. Durable design: The butterfly capacitor design is compact and robust, making it ideal for portable or temporary setups.

4. Low insertion loss: The BFC-25 has a low insertion loss, meaning that it minimizes signal degradation as the signal passes through the capacitor.

Cons:

1. Price: Compared to other capacitors on the market, the Hammarlund BFC-25 is relatively expensive. This may be a concern for budget-conscious users.

2. Limited capacity range: While the BFC-25 covers a wide frequency range, it only offers a limited range of capacitance values (5-28 pf). This may not be suitable for some specific applications.

3. Availability: Due to its popularity, the Hammarlund BFC-25 can sometimes be hard to find in stock, particularly during peak demand periods.

In conclusion, the Hammarlund BFC-25 is a high-quality butterfly capacitor that offers a wide frequency range and low insertion loss. However, its price and limited capacity range may be a concern for some users. If you value quality and performance and are willing to pay a premium, the Hammarlund BFC-25 is a good choice. If you're on a tight budget or need a wider range of capacitance values, you may want to consider other options. In any case, it's important to do thorough research and compare different capacitors to find the one that best fits your needs and budget.

Details:

The down-side of this circuit is that the capacitance halved two caps in series. With exception of the silver plated phosphor bronze rotor wiper, rotor and stater assemblies are made brass, which is nickel plated after assembly soldering operations. Plate spacing 0.030. This can be corrected with mica padding capon each side.

The BFC capacitors are of the butterfly type permitting operation as a series capacitor 3-14pF without rotor connection split stater with provision for grounding rotor independently from mounting studs, which insulated thereto in silicone treated statute base. Using Enif these loops to transmit requires a series variable, due high voltage s at resonance. Hammarlund BFC-25 ButterFly Cap. It can be constructed from coax or tubing, which are readily available.

The result is half voltage and current in each stater. This capacitor is usable at VHF and UHF. This is particularly desirable in VHF and UHF applications. Hence, the Butterfly Capacitor, with rotor plates spanning two States; it splits the antenna voltage and current between States.

The minimum capacitance in both the series and modes of connection is very low. Hammarlund 5-28pF Butterfly Capacitor for a Mag-Loop Antenna.

specifications hamamateuradio:

  • brand: Hammarlund
  • mpn: Bfc-25
  • compatible brand: Universal
  • type: Butterfly Variable Capacitor
  • features: Frequency Selector

shipping hamamateuradio:

  • transit: 5-10 Days
  • cost: $12.59
  • class: Expedited
  • carrier: USPS
  • type: Calculated
  • service: USPS Priority Mail

offer hamamateuradio:

  • started: November 9, 2025
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock

seller hamamateuradio:

  • # reviews: 422
  • rating: 100.0%
  • city: Oxford, Pennsylvania

general hamamateuradio:

  • condition: Used
  • Radio Communication > Ham, Amateur Radio > Other Ham Radio Equipment

returns hamamateuradio:

  • method: Money back
  • paid by: Buyer
  • time: 14 Days
  • policy: Returns Accepted

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  • wallet: Google-pay
compatible brand: universal, type: butterfly variable capacitor, features: frequency selector,
category: electronics > radio communication > ham, amateur radio > ham radio equipment, sku: 12948092877627781,
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