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Triad Magnetics, Triad Magnetics: Your Innovative Partner

For more than 80 years, consumer, commercial and industrial electronic devices have relied on innovative magnetics technology from Triad Magnetics. Our products include transformers for audio, gate drive, power, medical/dental, wall-mount and plug-in applications; as well as inductors for current sense, common mode, toroidal, filtering and power applications.

Today, you'll find a wide range of Triad magnetic components in advanced computers, telecommunication systems, automation controls, audio devices, EV chargers and hundreds of other power applications.

History and Overview

Lewis W. Howard founded Triad during the 1940s in Venice, California. He was a UC Berkley graduate, a Wescon Trade Show cofounder and was recognized as an IEEE life member.



In the 1950s, Triad helped Leo Fender and surf guitarist Dick Dale turn up the volume on amplifiers, leading to the birth of Rock & Roll. Triad was next the dominant supplier to the TV industry in the 1960s.

Triad Magnetics, PC Mount - World Series We also supported the Apollo Moon Missions, and then the first microwave ovens in the 1970s. In the 1980-90s, the Triad brand played a leading role within industrial automation and controls, lighting system electronic ballasts and innovative medical devices.

With the new millennium, Triad emerged after a number of years as a division of the Litton, MagneTek and Parallax companies. In 2003, Triad returned to our roots in Southern California as the North American subsidiary of the Axis Corporation, headquartered in Taiwan.

In 2012, Triad purchased a new commercial building in Perris CA, creating an expansive 40,000 sq ft, warehouse and logistics facility.

Triad MagneticsIn 2013, Axis corporation moved its main manufacturing facility to the Philippines. The majority of Triad's product manufacturing also moved to the Philippines.

In 2019, Triad acquired Electronetics, obtaining equipment and engineering resources which enabled Triad to begin small-volume U.S. manufacturing of custom and specialty products to supplement its overseas production in the Philippines.

In 2023, Triad reached a milestone of 80 years of transformer manufacturing, with 20 years as part of the Axis Corporation.

Trust Triad's Experience

At Triad Magnetics, our innovative magnetics technology has powered consumer, commercial, and industrial electronics for over 80 years. We are extremely proud of this legacy and dedicated to continually building and improving upon it.

Our experience makes the difference. It gives us the knowledge and skills we need to remain flexible and adaptable to the changing needs of the market. That's why we offer over 1,000 standard part numbers, maintain an extensive inventory and vast distribution network, and provide comprehensive custom capabilities. Whether a customer needs a standard product or a new design, we can and will deliver the best solution for your application.

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Technical Articles

How to Enhance Sound Quality with Audio Transformers (Transformers) Critical Functions of Audio Transformers... (View Full Article)
Transformers and Inductors for Electric Vehicles and Charging (Power Supply and Conditioning) Electric cars are increasingly becoming popular due to their efficiency and smart features. Improved safety capabilities, such as autonomous driving and advanced driver-assisted systems, are fueling... (View Full Article)