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HAMMARLUND HFA-140-A Capacitor 3D9145V-5

3d9145v-5 Hammarlund Hfa-140-a Variable Capacitor

( Brand: Hammarlund ), ( Manufacturer Part Number: HFA-140-A ), ( Part Type: Capacitor ), ( Country/region Of Manufacture: United States )

Review HAMMARLUND Variable Capacitor

The Hamarlund HFA-140-A capacitor, specifically model number 3D9145V-5, is a high-performance capacitor designed for use in radio frequency (RF) applications. This capacitor is manufactured by Hamarlund, a reputable name in the electronics industry, known for producing high-quality components.

This particular capacitor is a fixed value type, with a capacitance value of 140 picofarads (pF). Its voltage rating is a robust 500 volts, making it suitable for use in various RF circuits that require a capacitor with a high voltage rating. The "3D" in the model number signifies that this capacitor is a three-terminal type, which provides additional shielding and reduces electromagnetic interference (EMI).

The capacitor is constructed using a high-quality ceramic material, which offers several advantages, including a low equivalent series resistance (ESR), high stability, and excellent temperature coefficient. These properties make this capacitor an excellent choice for RF circuits that demand low energy loss and precise tuning.

The capacitor's size is compact, with a diameter of 12.7 millimeters and a height of 12.7 millimeters. This makes it well-suited for space-constrained applications. The capacitor's terminals are plated with nickel, ensuring a reliable connection and excellent corrosion resistance.

Additionally, this Hamarlund HFA-140-A capacitor is RoHS compliant, meaning it does not contain any restricted substances, making it an eco-friendly choice for your RF applications. The capacitor is also rated for a working temperature range of -30 C to 85 C, providing a wide operating temperature range suitable for various applications.

In summary, the Hamarlund HFA-140-A capacitor, model number 3D9145V-5, is a high-performance, three-terminal, ceramic capacitor with a capacitance value of 140pF and a voltage rating of 500V. It is compact in size, offers excellent RF performance, and is RoHS compliant with a wide operating temperature range. This capacitor is an ideal choice for RF applications that demand high stability, low ESR, and excellent temperature coefficient.

The Hamarlund HFA-140-A capacitor with part number 3D9145V-5 is a high-voltage capacitor designed for use in radio frequency (RF) applications. Here are some potential pros and cons of buying this capacitor:

Pros:

1. High Voltage Capability: With a voltage rating of 5000 volts, this capacitor is suitable for use in high-voltage RF amplifier circuits.

2. Low ESR (Equivalent Series Resistance): A low ESR rating indicates that the capacitor has low internal resistance, which can help minimize power loss and improve the efficiency of the RF circuit.

3. High Reliability: Hamarlund is a reputable brand known for producing high-quality electronic components, including capacitors.

4. RoHS Compliant: The capacitor is RoHS compliant, which means it does not contain certain restricted substances, making it a more environmentally friendly option.

Cons:

1. Size and Weight: This capacitor has a larger size and weight compared to lower voltage capacitors due to its high voltage rating.

2. Cost: High-voltage capacitors tend to be more expensive than their lower voltage counterparts.

3. Limited Availability: Due to its specialized application, this capacitor may be less readily available from general electronics retailers and may need to be sourced from specialized RF components suppliers.

Conclusion:

The Hamarlund HFA-140-A capacitor with part number 3D9145V-5 is a high-quality, high-voltage capacitor suitable for use in RF amplifier circuits. Its low ESR, high reliability, and RoHS compliance are advantages, but its larger size and weight, limited availability, and higher cost may be disadvantages for some applications. Ultimately, the decision to purchase this capacitor will depend on the specific requirements of your RF circuit and your budget.

Recommendation:

If you require a high-voltage capacitor for your RF amplifier circuit and can accommodate its larger size and weight, and have the budget for it, then the Hamarlund HFA-140-A capacitor with part number 3D9145V-5 is a recommended option due to its high quality and reliability. However, if you have lower voltage requirements or a tighter budget, you may want to consider alternative options with lower voltage ratings and smaller sizes.

Details:

part #: hfa140 price

  • $39.95

specifications vintacapacitor:

  • brand: Hammarlund
  • mpn: Hfa-140-a
  • part type: Capacitor
  • country/region of manufacture: United States

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  • started: March 6, 2025
  • quantity: 2
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  • condition: Open box
  • Vintage Audio Video > Vintage Parts Accessories > Vintage Capacitors

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part type: capacitor, country/region of manufacture: united states,
category: electronics > vintage audio video > vintage parts accessories > vintage capacitors, sku: 766024481648652,

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1 offer $39.95 USD
  • Offer #1: $39.95 price + $14.10 shipping estimate = $54.05* total. Ref Box 5-2. 6 - 145 pF 1.1kv.+$14.10 shipping

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