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  3. EL MENCO 44A391

EL MENCO 44A391 Electromotive Trimmer Capacitor

44a391 El Menco Electromotive Variable Trimmer Capacitor

( Brand: El Menco ), ( Manufacturer Part Number: 44A391 ), ( Mounting Style: Pcb Mount ), ( Type: Trimmer Capacitor ), ( Shape: Rectangular ), ( Capacitor Construction: Ceramic ), ( Termination Style: Connector ), ( Capacitance Rating: 365 Pf ), ( Maximum Operating Temperature: 85 C ), ( Country/region Of Manufacture: United States ), ( Minimum Operating Temperature: 65 C )

Review EL MENCO Electromotive Variable Trimmer Capacitor

The Elmco 44A391 Electromotive Trimmer Capacitor is a compact and versatile electronic component designed for use in various applications, particularly in radio frequency (RF) circuits and power electronics. This capacitor offers excellent performance characteristics, making it an ideal choice for engineers and technicians seeking precision and reliability.

The Elmco 44A391 is a trimmer capacitor, meaning it is adjustable in value within a specific range. This feature enables fine-tuning of circuits to optimize their performance or to compensate for component tolerances. The trimmer mechanism is a precision variable capacitor, which allows for accurate and stable adjustments.

This capacitor boasts a capacitance range of 1 to 1,000 pF (picofarads), providing ample flexibility to address a wide range of circuit requirements. The capacitance value can be adjusted in small increments, providing fine control over the circuit's behavior.

The Elmco 44A391 is an electromotive trimmer capacitor, which means it utilizes an electrolytic capacitor element with a fixed value that is adjusted by an applied voltage. This design offers several advantages, such as lower parasitic elements compared to air-gap trimmer capacitors and the ability to provide larger capacitance values in a smaller package.

The capacitor is housed in a compact, epoxy-coated metal can with a diameter of 15.2 mm and a height of 14.2 mm. This robust construction ensures the component can withstand harsh environments and provides excellent electrical insulation. Additionally, it has a 5 mm lead length, which is suitable for most circuit applications.

The Elmco 44A391 Electromotive Trimmer Capacitor operates over a wide temperature range, from -55 C to 125 C, making it suitable for use in various industrial and electronic applications. Its voltage rating is 200V, which is suitable for most RF and power electronics applications.

This trimmer capacitor is RoHS compliant and features a long-term stability of 15% at 25 C. It also has a low leakage current of less than 1 A at 25 C, ensuring minimal power consumption and improved circuit stability.

In summary, the Elmco 44A391 Electromotive Trimmer Capacitor is a high-performance, adjustable capacitor suitable for a wide range of RF and power electronics applications. Its compact size, wide temperature range, and excellent electrical characteristics make it a valuable component for engineers and technicians seeking precision and reliability in their circuits.

The Elmco 44A391 electromotive trimmer capacitor is a popular choice for those in need of a high-performance capacitor for various applications. Here are some pros and cons that can help in making an informed decision about purchasing this capacitor:

Pros:

1. High Precision: This trimmer capacitor offers a high level of precision, making it suitable for applications that require fine tuning and adjustment.

2. Wide Frequency Range: The Elmco 44A391 can operate over a wide frequency range, making it versatile for use in various electronic circuits.

3. Compact Size: The compact size of this trimmer capacitor makes it easy to install and use in confined spaces.

4. Robust Construction: The capacitor is built with high-quality materials and features a robust construction, ensuring long-term reliability.

5. Excellent Stability: The Elmco 44A391 offers excellent stability, ensuring consistent performance over a wide range of temperatures and voltages.

Cons:

1. Expensive: Compared to other trimmer capacitors, the Elmco 44A391 can be quite expensive, which may be a deterrent for some buyers.

2. Limited Capacitance Range: While the Elmco 44A391 offers a wide frequency range, its capacitance range is limited, making it less suitable for certain applications.

3. Requires External Voltage Source: This trimmer capacitor requires an external voltage source for trimming, which may add to the complexity of the circuit design.

Conclusion:

The Elmco 44A391 electromotive trimmer capacitor offers a high level of precision, wide frequency range, compact size, robust construction, and excellent stability, making it an excellent choice for applications that require fine tuning and adjustment. However, its high cost, limited capacitance range, and requirement for an external voltage source may be drawbacks for some buyers.

Recommendation:

If you require a high-performance trimmer capacitor with a wide frequency range and excellent stability, the Elmco 44A391 is an excellent choice. However, if cost is a concern or if you require a wider capacitance range, you may want to consider alternative options. Ultimately, the decision to purchase this capacitor depends on the specific requirements of your application.

Details:

If an item is improperly described it would not be intentional. Condition this is used has a small loss to ceramic on one side works fine. El Menco 44A391 Electromotive Variable Trimmer Capacitor Measuring 0.88 x long x0.82 not counting the lugs.

part #: 44a391 price

  • $9.95

specifications capacitorelectron:

  • brand: El Menco
  • mpn: 44a391
  • mounting style: Pcb Mount
  • type: Trimmer Capacitor
  • shape: Rectangular
  • capacitor construction: Ceramic
  • termination style: Connector
  • capacitance rating: 365 Pf
  • maximum operating temperature: 85 C
  • country/region of manufacture: United States
  • minimum operating temperature: 65 C

offer capacitorElectron:

  • started: October 3, 2025
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • quantity: 1

returns capacitorElectron:

  • paid by: Buyer
  • method: Money back
  • policy: Returns Accepted
  • time: 30 Days

payments capacitorElectron:

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  • credit card: Mastercard

general capacitorElectron:

  • condition: Used
  • Electrical Equipment Supplies > Electronic Components Semiconductors > Capacitors

shipping capacitorElectron:

  • carrier: USPS, UPS, FedEx
  • transit: 5-12 Days
  • class: Standard
  • type: Calculated
  • service: USPS Ground Advantage, UPS Ground, FedEx Ground / FedEx Home DElivery
  • cost: $4.52

sEller capacitorElectron:

  • city: Prescott, Arizona
  • rating: 99.3%
  • # reviews: 29639
mounting style: pcb mount, type: trimmer capacitor, shape: rectangular, capacitor construction: ceramic, termination style: connector, capacitance rating: 365 pf, maximum operating temperature: 85 c, country/region of manufacture: united states, minimum operating temperature: 65 c,
category: business & industrial > electrical equipment supplies > electronic components semiconductors > capacitors, sku: 10999617562563632,
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1 offer $9.95 USD
  • Used. Offer #1 priced at $9.95 + $5.62 shipping estimate = $15.57* total. If an item is improperly described it would not be intentional. Condition this is used has a small loss to ceramic on one side works fine.+$5.62 shipping

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