NATIONAL ELECTRONICS CVA-1000CS Vacuum Capacitor 50-1000PF 5/3KV

( Brand: National Electronics ), ( Manufacturer Part Number: CVA-1000CS ), ( Non-domestic Product: No ), ( Capacitance Rating: 1000 Pf ), ( Material: Ceramic ), ( Type: Variable Capacitor ), ( Capacitor Construction: Vacuum ), ( Country Of Origin: China )

Review NATIONAL ELECTRONICS 5/3kv Vacuum Variable Capacitor

Introducing the National CVA-1000CS vacuum capacitor, a high-performance and reliable component engineered for industrial and commercial applications. This capacitor is designed to provide a capacitance range of 50 to 1000 microfarads (500 to 1000 pF) and is rated for a working voltage of 5/3 kilovolts (kV).

The CVA-1000CS is a vacuum capacitor, which means it utilizes a vacuum chamber instead of a dielectric material to insulate the plates. This design offers several advantages, including higher voltage ratings, longer lifespan, and improved stability and ripple performance compared to traditional capacitors.

The capacitor's plates are made of high-purity metallic foil, which is rolled and welded to form the capacitor's plates. The plates are then sealed in a high-vacuum chamber, creating an insulation barrier that eliminates the need for a dielectric material. This design results in a more stable and reliable capacitor with a longer lifespan.

The CVA-1000CS is suitable for use in various applications, such as power factor correction in industrial power supplies, radio frequency (RF) applications, and pulsed power systems. Its high voltage rating and excellent stability make it an ideal choice for these demanding applications.

The capacitor's dimensions are 11.1 inches (28.2 cm) in length, 6.1 inches (15.5 cm) in width, and 8.0 inches (20.3 cm) in height. It weighs approximately 66.1 pounds (29.9 kg), making it a substantial component that requires adequate support and handling during installation and operation.

The National CVA-1000CS vacuum capacitor is designed and manufactured to meet the highest standards of quality and reliability. It undergoes rigorous testing to ensure it meets or exceeds the specified performance and safety requirements. With its robust construction, excellent electrical performance, and long lifespan, the CVA-1000CS is an indispensable component in a wide range of industrial and commercial applications.

The National CVA-1000CS 50-1000pF 5/3kV vacuum capacitor is a high-voltage capacitor used in various applications, particularly in radio frequency (RF) and power electronics. Here are some pros and cons that might help you make an informed decision about purchasing this capacitor:

1. High Voltage: This capacitor can handle a voltage rating of 5kV, making it suitable for high-voltage applications.

2. Large Capacitance Range: It offers a capacitance range of 50pF to 1000pF, providing flexibility for different circuit requirements.

3. Vacuum Technology: Vacuum capacitors have several advantages over other types, such as longer lifespan, better stability, and lower leakage current.

4. Low ESR: The low Equivalent Series Resistance (ESR) ensures efficient power transfer and reduces power loss in the capacitor.

5. Rugged Design: The robust construction of the CVA-1000CS makes it suitable for harsh environments and industrial applications.

1. Cost: Vacuum capacitors are generally more expensive than other types due to their complex manufacturing process.

2. Size and Weight: The large size and weight of this capacitor may pose handling and shipping challenges.

3. Long Lead Time: The manufacturing process for vacuum capacitors can be time-consuming, resulting in longer lead times compared to other capacitor types.

In conclusion, the National CVA-1000CS 50-1000pF 5/3kV vacuum capacitor offers several advantages, including high voltage handling, large capacitance range, vacuum technology, low ESR, and rugged design. However, it comes with some disadvantages, such as a higher cost, larger size and weight, and longer lead times.

If your application requires a high-voltage capacitor with a large capacitance range and the benefits of vacuum technology, then the CVA-1000CS might be an excellent choice for you, despite the higher cost and larger size. Alternatively, if your application does not require these specific features or if budget and size constraints are a concern, you might consider other capacitor types, such as electrolytic or ceramic capacitors.

Details:

National Electronics 50-1000pF 5/3kV Vacuum Variable Capacitor Used, Hi Pot Tested.

part #: cva1000cs price

• $140.00

specifications capacitorelectron:

• brand: National Electronics
• mpn: Cva-1000cs
• non-domestic product: No
• capacitance rating: 1000 Pf
• material: Ceramic
• type: Variable Capacitor
• capacitor construction: Vacuum
• country of origin: China

offer capacitorelectron:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: January 24, 2026
• best offers: True
• quantity: 1

returns capacitorelectron:

• policy: No Returns

payments capacitorelectron:

• credit card: Mastercard
• other
• wallet: Paypal

seller capacitorelectron:

• # reviews: 242
• city: Eaton, Colorado
• rating: 100.0%

shipping capacitorelectron:

• cost: $0.00
• service: USPS Ground Advantage
• type: Calculated
• carrier: USPS
• transit: 4-9 Days
• class: Standard

general capacitorelectron:

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

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