10 Best Ac Capacitor 2025 in the United States

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.

The QYCKFIXR AC Capacitor is designed as a dual run and start capacitor with a combined capacitance of 45+5 µF, making it suitable for heat pumps and air conditioners requiring this specific rating. Its voltage rating of 370V to 440VAC offers flexibility to replace capacitors in a wide range of systems, making it a versatile replacement part. The capacitor's round shape and compact size (about 2.5 inches in diameter and 4 inches tall) allow it to fit easily into most standard HVAC setups. It meets stringent standards (EIA-456-A and IEC 60252-1:2001), indicating good reliability and safety, including a high safety rating of 10,000 AFC to protect against electrical faults.

With an operating temperature range from -40℃ to +70℃, this capacitor performs well in various climates without loss of function. It also comes with a long 10-year warranty, providing reassurance for long-term use. On the downside, although the brand commits to quality, the capacitor is manufactured in China, which may influence some buyers' preferences. Its polypropylene construction is standard but not exceptional compared to some high-end capacitors.

This capacitor is well suited for homeowners or technicians needing a dependable, direct replacement dual capacitor for specific HVAC models, particularly where exact capacitance values and voltage compatibility are necessary. For those requiring different specifications or a more premium brand reputation, exploring other options may be advisable.

The Upgraded Version 270-324 Mfd uF 110-125VAC Round Motor Start Capacitor by Blue Stars is designed to provide reliable performance for electric motors. It offers a wide capacitance range of 270-324 µF and a voltage rating of 110-125V, which is suitable for various motor start applications. The round shape and compact size (36mm x 70mm) make it easy to fit into different devices.

Its broad operating temperature range (-40℃ to 65℃) ensures it can function effectively in diverse environmental conditions, making it versatile for different climates. The high-quality aluminum construction and UL, CE, and TUV certifications ensure durability and adherence to safety standards. Additionally, the lifetime protection guarantee provides peace of mind against potential defects or issues.

Its capacitance tolerance of +/- 20% may not offer the precision required for some highly sensitive applications. While it is well-suited for general motor starting purposes, users needing exact capacitance values might need to look elsewhere. This capacitor is best for those seeking a robust, long-lasting solution for their motors without the necessity for exact capacitance accuracy. The inclusion of multiple replacement compatibility makes it a versatile choice for replacing various start capacitors in the market.