
( Brand: Jennings ), ( Manufacturer Part Number: VC12-20 ), ( Part Type: Vacuum Voltage ), ( Modified Item: No ), ( Capacitor Type: Fixed ), ( Capacitor Construction: Vacuum )
The Jennings VC12-20 vacuum capacitor is a high-performance electrical component specifically designed for applications requiring high voltage and low capacitance values. This particular model has a capacitance value of 12 picofarads (pF) and a maximum voltage rating of 20 kilovolts (kV).
The VC12-20 is a vacuum capacitor, which means it uses a sealed glass bulb filled with an inert gas, such as nitrogen or argon, and a pair of metal plates. The absence of oxygen inside the bulb prevents the formation of dielectric breakdown, allowing the capacitor to withstand high voltage without failure.
The 12 pF capacitance of the VC12-20 makes it suitable for applications that require precise timing or frequency control, such as radio frequency (RF) circuits, oscillators, and signal processing systems. The 20 kV voltage rating, on the other hand, makes it an ideal choice for high-voltage power supplies, X-ray equipment, and other applications that require reliable isolation of electrical circuits.
The VC12-20 vacuum capacitor is built to last, with a robust construction that ensures long-term reliability and stability. Its physical dimensions are 4.25 inches (10.8 cm) in length, 1.25 inches (3.2 cm) in diameter, and 1.625 inches (4.1 cm) in height. The capacitor's terminals are gold-plated for corrosion resistance and electrical conductivity.
In summary, the Jennings VC12-20 vacuum capacitor is a high-voltage, low-capacitance electrical component that offers reliable performance, precision timing, and long-term stability in applications requiring high voltage isolation. Its robust construction, gold-plated terminals, and compact size make it an excellent choice for various industries, including aerospace, medical, and industrial electronics.
Pros of buying a VC12-20 Jennings vacuum capacitor:1. High Voltage Capability: The capacitor can handle 20,000 volts, making it suitable for high voltage applications.
2. Large Capacitance: With a capacitance of 12 pF, it can store a significant amount of charge.
3. Vacuum Construction: The vacuum construction ensures that the capacitor has a long lifespan and can withstand high temperatures.
4. Low Leakage Current: The capacitor has a low leakage current, which means that it can maintain its charge for a longer period of time.
Cons of buying a VC12-20 Jennings vacuum capacitor:1. High Cost: Vacuum capacitors are generally more expensive than other types of capacitors due to their complex construction.
2. Limited Availability: Vacuum capacitors are not as widely available as other types of capacitors, so it may be difficult to find a reliable supplier.
3. Special Handling Required: Vacuum capacitors require special handling and storage conditions to ensure their longevity and proper functioning.
Conclusion:The VC12-20 Jennings vacuum capacitor is a high-quality capacitor that is suitable for applications requiring high voltage and large capacitance. Its vacuum construction ensures a long lifespan and low leakage current. However, its high cost and limited availability are important considerations that should be taken into account before making a purchase. If the cost and availability are not a concern, and the application requires a vacuum capacitor, then the VC12-20 Jennings vacuum capacitor is a good choice.
Recommendation:If you are looking for a vacuum capacitor, I would recommend considering the VC12-20 Jennings vacuum capacitor. However, it is important to research and compare prices from multiple suppliers to ensure that you are getting a fair price. Additionally, make sure that you are able to store and handle the capacitor properly to ensure its longevity and proper functioning.