JOHNSON 156-5-2 Air Capacitor 7-100PF

( Brand: Johnson ), ( Manufacturer Part Number: 156-5-2 ), ( Part Type: Air Capacitor )

Review JOHNSON Air Variable Capacitor

The Johnson 156-5-2 air capacitor, with a capacitance value of 7-100 picofarads (pF), is a high-performance electrical component designed for various applications in the industry that require voltage stabilization or energy storage. This air capacitor, manufactured by Johnson Controls, is known for its reliability and precision.

The Johnson 156-5-2 air capacitor is a single-wound, fixed capacitor that utilizes air as its dielectric medium. The use of air as the dielectric provides several advantages, including high voltage handling capability, low loss, and a large capacitance range. The capacitor's body is constructed from high-quality aluminum, ensuring durability and resistance to corrosion.

The capacitor's terminals are made of copper, providing excellent conductivity and a low electrical contact resistance. The terminals are secured with screws, ensuring a strong mechanical connection. The capacitor's winding is made of high-quality aluminum foil, providing a large surface area for efficient energy storage.

The Johnson 156-5-2 air capacitor is designed to operate at temperatures ranging from -55 C to 85 C, making it suitable for use in various industrial environments. The capacitor's voltage rating is 450 volts, which is suitable for many industrial applications.

The capacitor's size is compact, measuring approximately 14.9 inches in length, 4.9 inches in width, and 5.1 inches in height, making it suitable for use in applications where space is limited. The capacitor is also lightweight, weighing only approximately 22.5 pounds.

The Johnson 156-5-2 air capacitor is designed to provide stable voltage and energy storage in applications such as radio frequency (RF) power supplies, voltage stabilizers, and power factor correction circuits. The capacitor's high voltage handling capability, low loss, and large capacitance range make it an excellent choice for these applications. Overall, the Johnson 156-5-2 air capacitor is a reliable and precision component that provides excellent performance in various industrial applications.

Pros and Cons of buying a Johnson 156-5-2 Air Capacitor (7-100pF)

1. **High Voltage Capability**

The Johnson 156-5-2 air capacitor offers a high voltage rating of up to 2kV, making it suitable for various industrial applications that require handling large voltage spikes.

2. **Large Capacitance Range**

This capacitor comes with a capacitance range of 7-100pF, allowing it to cater to a wide range of applications where precise capacitance values are needed.

3. **Durable Construction**

The Johnson 156-5-2 air capacitor is built with high-quality materials, ensuring durability and long-term performance in harsh environments. Its metal housing protects the internal components from physical damage and contaminants.

4. **Low Equivalent Series Resistance (ESR)**

A low ESR value results in minimal power loss and improved efficiency. This capacitor's low ESR makes it an excellent choice for applications where power consumption is a concern.

5. **Temperature Stability**

The Johnson 156-5-2 air capacitor exhibits good temperature stability, meaning its capacitance value remains relatively constant over a wide temperature range. This ensures consistent performance in various environmental conditions.

6. **Relatively Large Size and Weight**

Due to its design as an air capacitor, this component is larger and heavier compared to electrolytic capacitors with similar capacitance values. This may result in additional space and weight requirements in the application.

7. **Higher Cost**

Air capacitors generally cost more than electrolytic capacitors with similar capacitance values due to their more complex design and construction.

8. **Sensitive to Humidity and Dust**

Since it is an air capacitor, this component is more susceptible to humidity and dust particles, which can affect its performance. Proper shielding or sealing may be required to mitigate these issues.

In conclusion, the Johnson 156-5-2 air capacitor offers several advantages, including high voltage capability, a wide capacitance range, durability, low ESR, and temperature stability. However, it also has some disadvantages, such as a larger size and weight, higher cost, and sensitivity to humidity and dust.

Based on the above analysis, if your application requires a high voltage, large capacitance value, and consistent performance in various environmental conditions, the Johnson 156-5-2 air capacitor would be a suitable choice. However, if size, weight, or cost are major concerns, an electrolytic capacitor with a similar capacitance value may be a more practical option. Ultimately, the decision depends on the specific requirements of your application.

Details:

part #: 15652 prices

• $29.75-$128.00

specifications vintacapacitor:

• brand: Johnson
• mpn: 156-5-2
• part type: Air Capacitor

seller vintacapacitor:

• city: Louisville, Kentucky
• # reviews: 3901
• rating: 100.0%

general vintacapacitor:

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

payments vintacapacitor:

• other
• wallet: Apple-pay
• credit card: Visa

returns vintacapacitor:

• policy: No Returns

offer vintacapacitor:

• availability: In Stock
• quantity: 1
• started: July 10, 2025
• sold: 0
• options: Ship-to-home

shipping vintacapacitor:

• class: Standard
• service: USPS Ground Advantage
• cost: $6.35
• type: Calculated
• transit: 4-8 Days
• carrier: USPS

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