JENNINGS CMV1-4000-0305 Vacuum Capacitor 25-4000

( Brand: Jennings ), ( Manufacturer Part Number: CMV1-4000-0305 ), ( Type: Variable Capacitor ), ( Capacitor Construction: Vacuum ), ( Item Diameter: 3.21 ), ( Capacitance Rating: 25-4000 Pf ), ( Item Length: 6.57 ), ( Maximum Operating Voltage: 5 Kv )

Review JENNINGS Pf Kv Rms Vacuum Variable Capacitor

The Jennings CMV1-4000-0305 25-4000PF 70 vacuum capacitor is a high-performance electrical component designed for various industrial applications. This capacitor, part of the CMV series from Jennings, is particularly suitable for use in power supplies, rectifiers, and other circuits requiring large capacitance values and high voltage ratings.

The capacitor features a capacitance value of 25,000 picofarads (pF) or 0.025 microfarads ( F), which is ideal for energy storage and filtering applications. It boasts a voltage rating of 4000 volts (V), ensuring it can handle significant electric potential differences. The "PF" designation indicates that this is a vacuum capacitor, meaning it utilizes a vacuum-sealed dielectric to maintain a consistent electrical performance over a wide temperature range.

The capacitor's construction includes two aluminum electrodes separated by the vacuum dielectric. The electrodes are connected to the terminals through a set-screw mechanism, which ensures a reliable electrical connection. The overall size of this capacitor is 70mm (2.75 inches) in diameter and 224mm (8.8 inches) in length, making it a relatively large component.

Jennings' CMV1-4000-0305 25-4000PF 70 vacuum capacitor is designed for long-term reliability, featuring a rugged construction that can withstand the rigors of industrial applications. It operates efficiently over a temperature range of -40 C to 70 C (-40 F to 158 F), making it suitable for use in a variety of environments.

In summary, the Jennings CMV1-4000-0305 25-4000PF 70 vacuum capacitor is a versatile and robust component, offering a large capacitance value and high voltage rating, making it an excellent choice for power supply, rectifier, and energy storage applications in industrial settings. Its vacuum construction ensures stable electrical performance over a wide temperature range, making it a reliable and trustworthy component for various electrical systems.

Pros and Cons of Buying Jennings CMV1-4000-0305 25-4000 Pf 70 Vacuum Capacitor

The Jennings CMV1-4000-0305 25-4000 Pf 70 Vacuum Capacitor is a high-voltage electrical component commonly used in various industrial applications, particularly in vacuum pumps and compressors. Like any other electrical component, this capacitor has its advantages and disadvantages. In this article, we will discuss the key pros and cons to help you make an informed decision before purchasing.

1. High Voltage Capability: This capacitor can handle high voltage levels, making it suitable for heavy-duty applications where high voltage is required.

2. Durable Design: The vacuum design of the capacitor ensures excellent reliability and longevity, as it prevents internal leakage and insulation failure.

3. Energy Efficiency: Vacuum capacitors consume less energy compared to their non-vacuum counterparts, leading to cost savings over time.

4. Low Maintenance: Since vacuum capacitors do not require an internal electrolyte, they require minimal maintenance, reducing downtime and labor costs.

5. Excellent Power Factor: The capacitor has a high power factor, which results in improved efficiency and lower energy losses.

1. Cost: Vacuum capacitors, in general, are more expensive compared to other types of capacitors due to their complex manufacturing process and advanced technology.

2. Size and Weight: This particular capacitor model is relatively large and heavy, which may increase transportation and installation costs.

3. Complexity: Vacuum capacitors require specialized knowledge and expertise to handle, install, and maintain.

4. Limited Availability: Due to their niche application, vacuum capacitors may not be readily available from all suppliers, leading to longer lead times and potential delays in projects.

The Jennings CMV1-4000-0305 25-4000 Pf 70 Vacuum Capacitor offers several advantages, including high voltage capability, durability, energy efficiency, low maintenance, and excellent power factor. However, it also comes with some disadvantages, such as a higher cost, larger size and weight, complexity, and limited availability.

If your application requires a high voltage capacitor with excellent reliability, energy efficiency, and low maintenance, then the Jennings CMV1-4000-0305 25-4000 Pf 70 Vacuum Capacitor is a solid choice, despite its higher cost and size. However, if your application does not necessitate these features or if cost is a significant concern, you may want to consider alternative capacitor types. Always consult with a professional electrical engineer or capacitor supplier to ensure the best fit for your specific application.

Details:

The Units Information: Part Number: CMV1-4000-0305, Serial M63-7, Date Code: 8346, Specifications: 5,000 V, 25-4000 pF. Specifications: Capacitance Range: 25-4000 pF, Peak Working voltage : 5 kV, Amperage: 70 A rms, max. The unit is a pull from scrapped equipment and guaranteed to work. Nominal Dimensions: 6.57 L x 3.21 Dia.

The printed part number on the unit is incredibly hard to read/coming off. Jennings CMV1-4000-0305 Vacuum Variable Capacitor, Comes with what you see in the pictures.

part #: cmv140000305 prices

• $1249.99-$2000.00

specifications capacitorelectron:

• brand: Jennings
• mpn: Cmv1-4000-0305
• type: Variable Capacitor
• capacitor construction: Vacuum
• item diameter: 3.21
• capacitance rating: 25-4000 Pf
• item length: 6.57
• maximum operating voltage: 5 Kv

returns capacitorelectron:

• policy: No Returns

seller capacitorelectron:

• city: Phoenix, Arizona
• # reviews: 10428
• rating: 100.0%

shipping capacitorelectron:

• type: Fixed
• cost: $20.00
• transit: 3-7 Days
• carrier: USPS, FedEx
• class: Expedited, Economy
• service: USPS Priority Mail, FedEx Ground Economy

general capacitorelectron:

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

offer capacitorelectron:

• options: Ship-to-home
• started: December 2, 2025
• quantity: 1
• sold: 0
• availability: In Stock

payments capacitorelectron:

• money order
• wallet: Google-pay
• other
• cash
• credit card: Discover
• check

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