Triad Magnetics

- For over 70 years, consumer, commercial and industrial electronic devices have relied on innovative magnetics technology from Triad Magnetics. We offer solutions for power conversion, filtering, isolation and more. 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 and other equipment. 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.

VPM Series Power Transformers

Image of Triad's VPM Series Power Transformers

Triad introduces their medical-grade power transformers that offer 4 KV isolation, low-voltage step-down for both product and system applications. Learn More

Modular, WSX Series, Wall Plug-In Power Supply

Image of Triad Modular, WSX Series, Wall Plug-In Power Supply

With a modular design featuring four interchangeable input prongs, the highly versatile, WSX series, wall plug-in power supply from Triad offers exceptional flexibility, performance, and value. Learn More

CMF Series Dual Mode Chokes

Image of Triad Magnetics' CMF Series Common Mode Chokes

Triad Magnetics' CMF series dual mode chokes are designed to suppress common and differential mode noise from switch mode power supplies and other sources. Learn More

Featured Products

Image of Triad Magnetics' VPT Series

VPT Series Transformers

Triad toroidal chassis mount World Series transformers from Triad Magnetics are designed to meet most international safety agencies. Learn More

Image of Triad Magnetics' VPP Series Power Transformer

VPP Series Transformers

Dual bobbin constructed transformers from Triad Magnetics reduce capacitance, eliminating the need for electrostatic shielding. Learn More

Newest Products View All (15)

CST25 Series Current Sense Transformers

Triad Magnetics' current sense transformers are fully encapsulated allowing for high isolation of 4,000 VAC between primary and secondary windings. Learn More

CSE18xL Current Sense Transformers

Triad Magnetics’ CSE18xL low-frequency current sense transformers monitor current from 0.1 A to 30 A at frequencies from 50 Hz to 400 Hz. Learn More

JSU Series Power Supply Junction Box

Triad Magnetics' UL-approved JSU series power supply junction box offers superior performance and is available in two popular configurations: 12 VDC/1.5 A or 24 VDC/0.75 A. Learn More

CMF Series Dual Mode Chokes

Triad Magnetics' CMF series dual mode chokes are designed to suppress common and differential mode noise from switch mode power supplies and other sources. Learn More

Split Pack™ Series Class 2/3 Power Transformers

The Split Pack series from Triad Magnetics is a single primary and dual secondary, split bobbin design which operates with an input of 115 V. Learn More

WAU Series Wall Plug-In AC Power Supply

WAU series wall plug-in AC power supply from Triad may be the industry’s first AC EPS to meet the Level VI energy efficiency requirements. Learn More

Featured Videos View All (19)

Ensure Your Medical Device Meets Regulatory Standards with Triad’s Custom Magnetics

Triad Magnetics’ custom components for medical devices are designed and manufactured with the strictest regulatory standards in mind.

Triad Magnetics Simple Search Tutorial

Finding the magnetic component you are looking for has never been easier. Using the simple search tool on Triad Magnetics' website allows you to easily find the component you are looking for that fits the needs of your project.


Triad Magnetics’ WAU AC and WDU DC Series Power Supplies are linear wall plug-in power supplies from an industry leader. Offering low to zero noise performance, along with greater reliability and longer life than switching power designs.

Triad Alternative Energy Solutions

Watch our video to learn more about the types of magnetic products available for Solar Inverters from Triad Magnetics.

Recent PTMs View All (4)

Introduction to Current Sense Transformers Publish Date: 2019-04-12

Triad's current sense transformers cover a wide frequency range and offer many turns ratios.

Duration: 5 minutes
JSU Series Line of Switchmode Power Supplies Designed for Permanent Installations Publish Date: 2018-04-16

The innovative electrical and mechanical design of the JSU series coupled with UL’s recognized safety mark makes it ideal for an array of applications

Duration: 5 minutes
CMF Series of Dual Mode Chokes Publish Date: 2018-01-26

This presentation will discuss the problems, solving the problems, and the applications for the CMF series of dual mode chokes.

Duration: 5 minutes
VPM Medical Series Transformers Publish Date: 2017-07-19

This tutorial will provide an overview of Triad’s VPM series of medical transformers

Duration: 10 minutes

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