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Ac Capacitor

10 Best Ac Capacitor 2025 in the United States

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AMI PARTS

AMI PARTS

AMI PARTS SPP6 Hard Start Capacitor Replacement 115V Thru 288VAC Air Condtioning Units from 4,000 to 120,000(1/2 Thru 10H.P.),Increases Compressor Torque 500%

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#1

Winner

VEXUNGA 45

VEXUNGA

VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

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Sponsored

AMI PARTS

AMI PARTS

AMI PARTS SPP6 Hard Start Capacitor Replacement 115V Thru 288VAC Air Condtioning Units from 4,000 to 120,000(1/2 Thru 10H.P.),Increases Compressor Torque 500%

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#2
VEXUNGA 7.

VEXUNGA

VEXUNGA 7.5uF 370/440VAC 50/60Hz CBB65 CBB65A Oval Run Start Capacitor 7.5 MFD 370V/440V Air Conditioner Capacitors for AC Unit Fan Motor Start or Pool Pump or Air Condenser Straight Cool

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#3
BOJACK 35+

BOJACK

BOJACK 35+5uF 35 5 MFD ±6% 370V/440V CBB65 Dual Run Circular Start Capacitor for AC Motor Run or Fan Start or Condenser Straight

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#4
BOJACK 45+

BOJACK

BOJACK 45+5 uF 45/5 MFD ±6% 370V/440VAC CBB65 Dual Run Circular Start Capacitor for AC Motor Run or Fan Start or Condenser Straight

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#5
BOJACK 40+

BOJACK

BOJACK 40+5 uF 40/5 MFD ±6% 370V/440 VAC CBB65 Dual run circular start capacitor for AC motor run or fan start or condenser straight

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Related Products

Up to 18% off

#6
Genteq c34

Genteq

Genteq c3455r GE Round Capacitor 45 5 uf MFD, 97F9895, Z97F995, 97F9895BZ3, 27L880, 370V

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#7
BOJACK 70+

BOJACK

BOJACK 70+5uF 70/5MFD ±6% 370V/440V CBB65 Dual run circular start capacitor for AC motor run or fan start or condenser straight cool or heat pump air conditioner

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#8
Upgraded V

BlueStars

Upgraded Version 270-324 Mfd uF 110-125VAC Round Motor Start Capacitor 50/60 Hz AC Electric Replacement Part by Blue Stars - Lifetime up to 30.000 Hours

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#9
45 + 5 x 3

JARD by MARS

45 + 5 x 370/440 VAC Round Dual Run Capacitor by JARD # 12788

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#10
Genteq C33

Genteq

Genteq C3355R Capacitor Dual Run Round 35/5 UF MFD 370V VAC 97F9834 (Replace Old GE# Z97F9834) 35 and 5 MFD at 370V

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#1

Winner

VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

9.8  score

5%OFF

VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

VEXUNGA

9.8  score

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Rating
9.8
Chosen by1,254
Brand and Quality

Most important from
5038 reviews

Brand and Quality
The capacitor got my Tappan gas home furnace running again with no problems. Great value and fit for the money spent.

The VEXUNGA 45/5 uF 370/440V Dual Run Start Capacitor is designed for air conditioning units, heat pumps, and condensers. It features a dual run start, meaning it can replace both 370V and 440V capacitors, making it versatile for various applications. With a capacitance of 45/5 microfarads, it fits standard needs for many AC units.

The round shape and compact size (2.36 inches in diameter and 3.35 inches in height) make it easy to install in tight spaces. The operating temperature range from -40℃ to +70℃ ensures reliability in extreme conditions, and its compliance with US standards like EIA-456-A and UL listings speaks to its quality and safety.

The polypropylene material adds durability, and it has a safety rating of 10,000 AFC (Available Fault Current), which is a plus for safety-conscious users. However, the 6% tolerance in capacitance might be a consideration for those needing highly precise specifications. Brand reputation is solid, but as with any component, ensuring compatibility with your specific AC model is crucial. This capacitor is a good choice for those looking for a reliable, versatile, and durable component for their AC units.

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Rating
9.8
Chosen by1,254
Brand and Quality

Most important from
5038 reviews

Brand and Quality
The capacitor got my Tappan gas home furnace running again with no problems. Great value and fit for the money spent.
#2

VEXUNGA 7.5uF 370/440VAC 50/60Hz CBB65 CBB65A Oval Run Start Capacitor 7.5 MFD 370V/440V Air Conditioner Capacitors for AC Unit Fan Motor Start or Pool Pump or Air Condenser Straight Cool

9.6  score

VEXUNGA 7.5uF 370/440VAC 50/60Hz CBB65 CBB65A Oval Run Start Capacitor 7.5 MFD 370V/440V Air Conditioner Capacitors for AC Unit Fan Motor Start or Pool Pump or Air Condenser Straight Cool

VEXUNGA

9.6  score

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Rating
9.6
Capacitance (µF)
Type (Run or Start)

Most important from
5038 reviews

Capacitance (µF)
Solved the issue with my pool heater's blower motor. This capacitor works fine and is easy to match with the motor's Farad rating.
Type (Run or Start)
Perfect fit and value for replacing the run capacitor in my Tappan gas home furnace. It works flawlessly.

The VEXUNGA 7.5uF 370/440VAC capacitor is designed for air conditioner units, pool pumps, and air condensers. It offers a capacitance of 7.5 microfarads and supports both 370V and 440V, making it versatile for different AC units. The capacitor is an oval shape, measuring 2.17 x 2.17 x 2.03 inches and weighs 3.21 ounces. Made of polypropylene and aluminum, it promises durability and reliability.

With an operating temperature range from -40℃ to +70℃, it can withstand various environmental conditions. Being compliant with stringent US standards and UL & CUL listed ensures it meets high safety and quality benchmarks. This capacitor is especially suitable for those looking to replace capacitors like the 27L566 and others mentioned in its compatibility list.

The VEXUNGA capacitor stands out for its flexibility, safety compliance, and durability, making it a solid choice for those in need of a reliable AC capacitor.

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Rating
9.6
Capacitance (µF)
Type (Run or Start)

Most important from
5038 reviews

Capacitance (µF)
Solved the issue with my pool heater's blower motor. This capacitor works fine and is easy to match with the motor's Farad rating.
Type (Run or Start)
Perfect fit and value for replacing the run capacitor in my Tappan gas home furnace. It works flawlessly.
#3

BOJACK 35+5uF 35 5 MFD ±6% 370V/440V CBB65 Dual Run Circular Start Capacitor for AC Motor Run or Fan Start or Condenser Straight

9.3  score

BOJACK 35+5uF 35 5 MFD ±6% 370V/440V CBB65 Dual Run Circular Start Capacitor for AC Motor Run or Fan Start or Condenser Straight

BOJACK

9.3  score

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Rating
9.3
Capacitance (µF)
Type (Run or Start)
Shape and Size

Most important from
1797 reviews

Capacitance (µF)
Replacing the capacitor with the BOJACK 35+5uF Dual Run Capacitor saved me over $60. It's been working flawlessly, and my AC unit runs smoothly and efficiently.
Type (Run or Start)
Replacing the capacitor with the BOJACK 35+5uF Dual Run Capacitor saved me over $60. It's been working flawlessly, and my AC unit runs smoothly and efficiently.
Shape and Size
This capacitor was smaller than the unit it replaced, requiring a mounting bracket adjustment, but it worked great after installation.
Brand and Quality
The capacitor arrived well-packaged, was easy to install, and is built with solid quality. Despite the lower cost, it performs just as well as more expensive options.

The BOJACK 35+5uF 35 5 MFD ±6% 370V/440V CBB65 Dual Run Circular Start Capacitor is a versatile component designed for AC motors, fans, and condensers. One of its main strengths is its dual run capability, making it suitable for both motor run and fan start applications. The capacitance of 35+5 microfarads ensures it can handle a range of power requirements, while the voltage rating of up to 440V offers robust performance for most residential and commercial HVAC systems.

Additionally, it's built with polypropylene material, known for durability and high-temperature resistance, supporting an operating range from -40℃ to +70℃. This makes it reliable in various climates and conditions. The safety rating of 10,000 AFC indicates good protection against electrical faults, adding peace of mind regarding its longevity and reliability. The compact dimensions (Diameter <1.97 inch, Height <4.14 inch) mean it can fit comfortably in tight spaces, a plus for installations with limited room.

A potential drawback is the ±6% tolerance, which might not be precise enough for highly sensitive applications needing exact capacitance values. The brand, BOJACK, while not as renowned as some premium brands, generally receives positive feedback for quality and performance in the industrial and scientific sectors. This capacitor is well-suited for homeowners and technicians looking for a cost-effective and reliable solution for AC motor and fan applications.

Check price

Rating
9.3
Capacitance (µF)
Type (Run or Start)
Shape and Size

Most important from
1797 reviews

Capacitance (µF)
Replacing the capacitor with the BOJACK 35+5uF Dual Run Capacitor saved me over $60. It's been working flawlessly, and my AC unit runs smoothly and efficiently.
Type (Run or Start)
Replacing the capacitor with the BOJACK 35+5uF Dual Run Capacitor saved me over $60. It's been working flawlessly, and my AC unit runs smoothly and efficiently.
Shape and Size
This capacitor was smaller than the unit it replaced, requiring a mounting bracket adjustment, but it worked great after installation.
Brand and Quality
The capacitor arrived well-packaged, was easy to install, and is built with solid quality. Despite the lower cost, it performs just as well as more expensive options.

Buying Guide for the Best Ac Capacitor

When choosing an AC capacitor, it's important to understand the role it plays in your air conditioning system. The capacitor stores and releases electrical energy to help start and run the compressor and fan motor. Selecting the right capacitor ensures your AC unit operates efficiently and reliably. Here are the key specifications to consider when picking an AC capacitor and how to navigate them to find the best fit for your needs.
Capacitance (µF)Capacitance, measured in microfarads (µF), indicates the amount of electrical charge the capacitor can store. This is crucial because the correct capacitance ensures your AC unit's motor starts and runs properly. Capacitors typically range from 5 µF to 80 µF. To choose the right capacitance, check the specifications of your AC unit or the old capacitor. Using a capacitor with the wrong capacitance can lead to inefficient operation or damage to the motor.
Voltage Rating (V)The voltage rating of a capacitor indicates the maximum voltage it can handle. This is important to ensure the capacitor can withstand the electrical load of your AC unit. Common voltage ratings are 370V and 440V. It's generally safe to use a capacitor with a higher voltage rating than required, but never use one with a lower rating. Check your AC unit's specifications or the old capacitor to determine the correct voltage rating.
Type (Run or Start)There are two main types of AC capacitors: run capacitors and start capacitors. Run capacitors are used to maintain a constant charge to the motor while it's running, while start capacitors provide a boost of energy to start the motor. Run capacitors are typically rated for continuous duty, while start capacitors are rated for short-term use. Determine which type your AC unit requires by consulting the unit's specifications or the old capacitor.
Shape and SizeAC capacitors come in various shapes and sizes, including round and oval. The physical size and shape are important to ensure the capacitor fits in the designated space within your AC unit. Measure the dimensions of the old capacitor or the space where it will be installed to ensure a proper fit. While the shape doesn't affect performance, it must match the space available in your unit.
Temperature RatingThe temperature rating of a capacitor indicates the range of temperatures it can safely operate within. This is important for ensuring reliable performance in different environmental conditions. Capacitors typically have a temperature rating of -40°C to +70°C or higher. Choose a capacitor with a temperature rating that matches or exceeds the conditions in which your AC unit will operate, especially if you live in an area with extreme temperatures.
Brand and QualityThe brand and quality of the capacitor can affect its reliability and lifespan. High-quality capacitors from reputable brands are more likely to provide consistent performance and last longer. Research different brands and read reviews to find a reliable capacitor. While it might be tempting to choose a cheaper option, investing in a high-quality capacitor can save you from future repairs and replacements.

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