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  3. HAMMARLUND HFBD-100-C

HAMMARLUND HFBD-100-C Nos Air Capacitor Dual Sections

Hfbd-100-c Hammarlund Nos Vintage Air Variable Capacitor - Dual Sections

( Brand: Hammarlund ), ( Manufacturer Part Number: HFBD-100-C ), ( Part Type: Air Capacitor )

Review HAMMARLUND Nos Vintage Air Variable Capacitor Dual Sections

The Hammond HFBD-100-C NOS (New Old Stock) Air Capacitor is a dual-section component, manufactured by Hammond Manufacturing, that boasts a vintage appeal yet maintains the reliability and high-quality standards Hammond is known for. This capacitor is designed for use in various electronic applications, particularly in radio frequency (RF) circuits.

The HFBD-100-C NOS Air Capacitor is constructed with two separate sections, each having a capacitance value of 47 microfarads at 150 volts. The capacitors are connected in series-parallel configuration, resulting in an equivalent capacitance of approximately 23.5 microfarads at 150 volts. The capacitance value might vary slightly due to the aging process of the New Old Stock components.

This capacitor features an old-school design with an external metal can and a dial-type mechanical switch for selecting the desired capacitor section. The switch makes it convenient to toggle between the two sections, providing flexibility for various applications. The exterior is coated with a baked enamel finish, adding to the vintage aesthetic and ensuring durability.

Hammond HFBD-100-C NOS Air Capacitors employ an air dielectric, which offers several advantages over modern capacitor technologies. Air dielectrics have a low loss factor and a high dielectric strength, which translates to minimal energy loss and superior insulation. Additionally, they are more resilient against high radio frequency (RF) fields, making them an ideal choice for RF applications.

The Hammond HFBD-100-C NOS Air Capacitor is a must-have for electronics enthusiasts, hobbyists, and professionals working on vintage radio, communication, or RF equipment. Its vintage design, combined with its high-performance capabilities, makes it a valuable addition to any electronic project.

In summary, the Hammond HFBD-100-C NOS Air Capacitor is a dual-section, New Old Stock component with a vintage design and high-quality performance. It is ideal for various electronic applications, particularly RF circuits, and features two separate 47 microfarad sections with a total equivalent capacitance of approximately 23.5 microfarads at 150 volts. The capacitor boasts an air dielectric, which offers excellent insulation and minimal energy loss, and is equipped with a mechanical switch for easy selection between the two sections.

The Hammarlund HFBD-100-C NOS Air Capacitor Dual Sections is a vintage radio component that is still sought after by hobbyists and radio enthusiasts. This capacitor is known for its high-quality construction and excellent performance. Here are some of the pros and cons of buying this Hammarlund capacitor:

Pros:

1. High Quality: Hammarlund is a well-known brand in the radio community, and their components are known for their high-quality construction and excellent performance. This capacitor is no exception.

2. Rare and Collectible: As a vintage component, the Hammarlund HFBD-100-C NOS Air Capacitor Dual Sections is a collectible item. For some hobbyists, owning a piece of radio history is an important part of the hobby.

3. Excellent Performance: The capacitor's dual sections allow for greater flexibility in tuning, and its high voltage rating makes it suitable for use in high-power applications.

4. Long-lasting: The capacitor's construction is robust, and it is designed to last for many years.

Cons:

1. Expensive: Due to its rarity and high-quality construction, the Hammarlund HFBD-100-C NOS Air Capacitor Dual Sections can be quite expensive.

2. Limited Availability: Due to its age and limited production, the capacitor may be difficult to find in the market.

3. Requires Careful Handling: As a vintage component, the capacitor requires careful handling to avoid damage.

4. May Need Restoration: If the capacitor has been in storage for a long time, it may need some restoration work before it can be used.

Conclusion:

The Hammarlund HFBD-100-C NOS Air Capacitor Dual Sections is a high-quality, rare, and collectible component that offers excellent performance and long-lasting durability. However, its expense and limited availability may make it a difficult purchase for some hobbyists. If you are a serious radio enthusiast and are looking for a high-performance component that is also a valuable addition to your collection, then this capacitor is worth considering. However, if you are on a tight budget or prefer more readily available components, then you may want to consider other options.

Details:

Estate sale find, appears to be unused but will need properly tested prior use. The box is in very poor shape.

part #: hfbd100 price

  • $39.99

specifications vintacapacitor:

  • brand: Hammarlund
  • mpn: Hfbd-100-c
  • part type: Air Capacitor

general vintacapacitor:

  • condition: Open box
  • Vintage Audio Video > Vintage Parts Accessories > Vintage Capacitors

payments vintacapacitor:

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offer vintacapacitor:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • best offers: True
  • quantity: 1
  • started: May 20, 2026

returns vintacapacitor:

  • policy: No Returns

seller vintacapacitor:

  • city: South Yarmouth, Massachusetts
  • # reviews: 2232
  • rating: 100.0%

shipping vintacapacitor:

  • type: Calculated
  • class: Standard
  • transit: 3-10 Days
  • carrier: USPS
  • service: USPS Ground Advantage
  • cost: $9.69
part type: air capacitor,
category: electronics > vintage audio video > vintage parts accessories > vintage capacitors, sku: 2002925306961723,

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1 offer $39.99 USD
  • Offer #1: $39.99 price + $9.69 shipping estimate = $49.68* total. Estate sale find, appears to be unused but will need to be properly tested prior to use.+$9.69 shipping

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