JOHNSON 50ED450 Air Capacitor 4.5KV 50PF

( Brand: Johnson ), ( Manufacturer Part Number: 50ED450 ), ( Part Type: Air Capacitor )

Review JOHNSON Air Variable Capacitor 4.5kv Each Section

The Johnson 50ED450 air capacitor is a high-voltage, high-value capacitor specifically designed for various electronic applications requiring substantial capacitance and voltage handling capabilities. This component, with a capacitance value of 50 picofarads (pF) and a voltage rating of 4.5 kilovolts (kV), is an essential part of many electronic circuits, particularly those used in radio frequency (RF) systems, power supplies, and energy storage applications.

The Johnson 50ED450 air capacitor is constructed using advanced techniques to ensure both reliability and precision. Its primary element is a large, cylindrical aluminum or steel can that houses the dielectric material, which is air in this case. The capacitor's capacitance value is determined by the size and geometry of the can, the dielectric constant of air, and the plate area.

The plates in this capacitor are made of aluminum or another suitable conductive material. They are rolled into a series of concentric cylindrical layers, which increases the plate surface area and, consequently, the capacitance value. Each plate is insulated from the adjacent one using a thin, dielectric film to prevent electrical discharge and to maintain the desired voltage rating.

The 4.5kV rating of the Johnson 50ED450 air capacitor signifies its ability to withstand a maximum voltage of 4.5 kilovolts without breaking down or causing an electrical discharge. This high voltage rating is essential in applications where large voltage swings or high voltage levels are present.

The 50pF capacitance value, on the other hand, is relatively small, which makes this capacitor suitable for applications where a small amount of energy storage or coupling is required. In RF circuits, for instance, capacitors with such small capacitance values are used to match the impedance of various components or to couple energy between stages.

The Johnson 50ED450 air capacitor is designed to offer excellent performance and stability under various operating conditions. Its large size and high voltage rating necessitate careful handling and installation. Proper insulation and shielding are essential to prevent electrical discharge and to minimize the risk of damage due to electrostatic or electromagnetic interference.

In conclusion, the Johnson 50ED450 air capacitor is a versatile and essential component in various electronic applications that demand high voltage handling and small capacitance values. It is expertly engineered to provide reliable, precise, and stable performance, making it an indispensable asset in the design and development of advanced electronic systems.

The Johnson 50ED450 air capacitor is a 4.5kV, 50pF component used in high voltage electrical applications. Like any other electronic component, it has its advantages and disadvantages.

1. High Voltage Capability: This capacitor can handle a voltage of 4.5kV, making it suitable for high voltage power systems and applications.

2. Large Capacitance: With a capacitance of 50pF, this capacitor can store a significant amount of charge, which is beneficial in energy storage and power supply systems.

3. Air Dielectric: The use of an air dielectric in this capacitor provides excellent insulation, which increases its safety and reliability.

1. Size and Weight: Due to its high voltage and capacitance, this capacitor is quite large and heavy, which may increase the overall size and weight of the electrical system.

2. Cost: The Johnson 50ED450 air capacitor is more expensive than capacitors with lower voltage and capacitance ratings.

3. Leakage: Air capacitors are subject to slow leakage due to the presence of moisture and other contaminants in the air.

In conclusion, the Johnson 50ED450 air capacitor offers high voltage capability, large capacitance, and excellent insulation, but it also comes with the drawbacks of size, weight, cost, and leakage.

If you require a high voltage capacitor with a large capacitance and can accommodate its size and weight, and are willing to invest in the higher cost, then the Johnson 50ED450 air capacitor could be a suitable option. However, if your application does not require such a high voltage or large capacitance, it may be more cost-effective to consider a lower rated capacitor.

In summary, the Johnson 50ED450 air capacitor is a reliable and powerful component for high voltage applications, but it comes with some trade-offs. Carefully consider your specific application requirements and budget before making a purchase decision.

Details:

Each section 50pF.

part #: 50ed450 prices

• $14.95-$99.00

specifications vintacapacitor:

• brand: Johnson
• mpn: 50ed450
• part type: Air Capacitor

payments vintacapacitor:

• credit card: Discover
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• carrier: USPS
• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• cost: $13.20
• transit: 4-9 Days

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• policy: No Returns

seller vintacapacitor:

• rating: 99.9%
• city: Louisville, Kentucky
• # reviews: 3690

general vintacapacitor:

• condition: Used
• Vintage Audio Video > Vintage Parts Accessories > Vintage Capacitors

offer vintacapacitor:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: April 19, 2025

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