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  3. CORNELL DUBILIER 10040J

CORNELL DUBILIER 10040J Dublier Oil Capacitor Mfd 4UF 4MFD

10040j Cornell Dubilier Vintage Cornell- Dublier 4uf 1000v Dc Oil Capacitor Mfd 4mfd 1000vdc 2 Ea

( Brand: Cornell Dubilier ), ( Manufacturer Part Number: 10040J ), ( Tolerance Rating: 2 ), ( Type: Capacitors ), ( Maximum Operating Voltage: 1000 V )

Review CORNELL DUBILIER Vintage Dublier 4uf 1000v Dc Oil Capacitor Mfd 4mfd 1000vdc Ea

The Cornell Dubilier 10040J is a high-performance oil capacitor designed for various industrial and electronic applications. This capacitor boasts a capacitance of 4 microfarads (mfd) with a working voltage of 1000 volts DC. Each capacitor is rated for a total energy of 4 farads (F) and is available as a single unit.

The Cornell Dubilier 10040J oil capacitor is constructed with a robust and reliable design. It features a porcelain case that provides excellent insulation and resistance to harsh environments. The capacitor is filled with a high-quality mineral oil that ensures excellent dielectric strength and stability over time. The electrodes are made of pure lead, offering excellent conductivity and long-lasting performance.

This oil capacitor is suitable for applications that require high energy storage and low equivalent series resistance (ESR). It is commonly used in power supplies, filters, and energy storage systems. The large 4 mfd capacitance value makes it an ideal choice for applications that require large capacitive currents or high power factor correction.

The Cornell Dubilier 10040J oil capacitor is designed and manufactured to meet the highest standards of quality and reliability. It undergoes rigorous testing to ensure it meets or exceeds industry standards for voltage, current, and temperature. The capacitor is also RoHS compliant, making it an environmentally friendly choice for applications where sustainability is a priority.

Overall, the Cornell Dubilier 10040J oil capacitor is a versatile and high-performance component that is essential in many industrial and electronic applications. Its large capacitance value, high voltage rating, and robust design make it a reliable and long-lasting solution for a wide range of power management and energy storage needs.

The Cornell Dubilier 10040J is a 4 mF, 1000 VDC oil capacitor designed for various applications requiring high voltage and energy storage. Here are some pros and cons that might help you make an informed decision about purchasing this component.

Pros:

1. High Voltage Capability: The capacitor can handle a voltage of up to 1000VDC, making it suitable for high voltage applications.

2. Large Capacitance: With a capacitance of 4 mF, this capacitor can store and release large amounts of energy.

3. Long Service Life: Oil capacitors are known for their long service life, and this model is no exception.

4. Low ESR: The low Equivalent Series Resistance (ESR) of this capacitor ensures minimal power loss and improved circuit efficiency.

Cons:

1. Size and Weight: Due to its large capacitance and high voltage rating, the capacitor is quite bulky and heavy.

2. Cost: Oil capacitors tend to be more expensive compared to other types of capacitors due to their construction and advanced features.

3. Longer Lead-time: These capacitors are custom-built and may take longer to manufacture and ship compared to standard electronic components.

In conclusion, the Cornell Dubilier 10040J oil capacitor offers high voltage handling capability, large capacitance, long service life, and low ESR, making it an excellent choice for applications requiring these features. However, its size, weight, cost, and longer lead-time might be drawbacks for some users. If the advantages of this capacitor align with your specific application requirements, then it may be a worthwhile investment. Otherwise, you may want to consider alternative solutions that offer a more compact size, lower cost, or shorter lead-time.

Details:

Insulation resistance tested on TEL-OHMIKE TO-6 50k meg ohm range with no detectable leakage.

part #: 10040j prices

  • $20.00-$49.95

specifications capacitorelectron:

  • brand: Cornell Dubilier
  • mpn: 10040j
  • tolerance rating: 2
  • type: Capacitors
  • maximum operating voltage: 1000 V

general capacitorelectron:

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

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  • # reviews: 1024
  • city: Richmond, California
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  • availability: In Stock
  • sold: 0
  • started: October 14, 2025
  • options: Ship-to-home
  • quantity: 1
tolerance rating: 2, type: capacitors, maximum operating voltage: 1000 v,
category: business & industrial > electrical equipment supplies > electronic components semiconductors > capacitors, sku: 11037452879193751,
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2 offers $20.00–$49.95 USD
  • Used. Offer #1 priced at $49.95 + $0.00 shipping estimate = $49.95* total. Value: 4 MFD. Part #: TJV .FREE SHIPPING
  • Used. Offer #2 priced at $20.00 + $7.00 shipping estimate = $27.00* total. From a working piece of equipment Ships to lower 48 only for rate quoted.+$7.00 shipping

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