Aerovox Corp. Begins Manufacture of UPS Capacitors in China Facility

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Rigorous manufacturing and testing protocols ensure same proven reliability as U.S.-made capacitors

We use the same rigorous manufacturing and testing processes for our UPS capacitors produced in the U.S. or China. This allows us to offer the most competitive pricing without sacrificing quality.”

Aerovox Corp. announces it is now manufacturing its UPS (Uninterruptible power supply) capacitors at its facility in Ningbo, China. Production in China will supplement U.S. manufacturing at the company’s headquarters in New Bedford, Massachusetts, facilitating quick turn-around to meet worldwide customer demand.

Manufacturing this product line in both regions allows for high-quality and cost competitive capacitors. Designed at Aerovox’s U.S headquarters, these China-made capacitors follow the same configuration guidelines and manufacturing processes to ensure the same reliability and efficiency as U.S. made.

UPS capacitors are used in UPS systems that provide critical backup to data centers, high-density power zones, certain industrial processes, and various other applications where continuous operation is essential.

Aerovox has developed a unique testing protocol to ensure capacitor reliability for UPS systems. After a standard final electrical test, a high voltage five-minute burn-in/aging test is performed, followed by five high current discharge pulses. This testing protocol, in place at both manufacturing facilities, effectively eliminates the potential of early life capacitor failures.

“We use the same rigorous manufacturing and testing processes for our UPS capacitors, whether they are produced in the U.S. or China,” said Jim Faughnan, Aerovox President & CEO. “Production of these capacitors at our China facility allows us to offer the most competitive pricing on the market without sacrificing quality.”

To further facilitate product availability for preventative maintenance programs or emergency repairs, Aerovox has named Marsh Electronics as stocking distributor. Marsh stocks the most commonly used types of UPS capacitors, allowing for overnight delivery within the continental United States.

Contact Aerovox at 508-910-3500 for more information about its UPS capacitors and its stocking programs or visit

About Aerovox Corp.
Aerovox is a leading provider of film capacitors for industrial, medical, military/aerospace and specialized applications serving original equipment manufacturers (OEM) and distributors. The company has world-class design, manufacturing and testing facilities in New Bedford, Massachusetts and global manufacturing facilities in China and India to enable quick turn-around for shipping and delivery worldwide. Aerovox capacitors are among the world’s most reliable electronic components. The company’s extensive custom design and development capabilities coupled with its broad, standardized product offerings allow it to provide intelligent capacitor solutions that meet or exceed customers’ application requirements.

About Marsh Electronics
Marsh Electronics is a broad-line stocking and solutions distributor, offering electronic components from leading manufacturers of passive, electromechanical, and power semi-conductor products. Marsh stocks inventory tailored to customers’ needs, provides customized inventory management programs, and custom cable assemblies and sub-assembly services through its MarVac Assemblies division. Since 1937, Marsh Electronics has proudly delivered extremely high-quality products, service, and value to its customers. For more information, please visit or

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Larry Bromley
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Aerovox UPS China Manufacturer News Release