Located just outside Minneapolis, MN, Cortec is a privately held company that is family owned and operated. Originally founded by Jim Wells, the company is now run by his son, Brian Wells. As company president, Brian has firmly established his expertise in the industry and currently serves on the board of the TTA – The Transformer Association.

Toroids

Using proprietary manufacturing processes, Cortec has gained a reputation that separates us from other core winding vendors. We can supply your company with a variety of toroidal power products. Large or small, whether you need toroidal power transformers, toroidal inductors, or custom toroidal applications, we have a solution for you. We work on toroids from 5VA to 10KVA.

Custom Solutions

Our comprehensive engineering staff specializes in electrical and toroidal magnetics design. Our highly-skilled employees are recognized in the toroid industry for innovation, responsiveness and flexibility. Together with our custom fixturing, we can quickly and inexpensively adapt tooling for custom applications. Simply tell us the application and what you want the product to do, and we can provide you with a working sample.

Our Process

Cortec maintains relationships with industry leaders to assure continual development of the latest toroidal technology and manufacturing techniques. We utilize all-programmable, state-of-the art manufacturing equipment and proprietary manufacturing methods to help you quickly get your product to market. All products are 100% electrical tested before they go out the door.

Cortec Advantage

The Most Experience

Cortec was the first in the industry to employ all programmable, state-of-the-art winding machines. The use of programmable winders allows us to ensure accuracy and repeatability. We have manufactured tens of thousands of transformers with an accuracy rate of +/- 0.

Unique Capabilities

No other toroid manufacturer can match our total capabilities. We have developed proprietary software that enables us to design auto transformers quickly, easily, and efficiently. We consistently are able to do things that no one else can. In fact, 20% of our total workload is making toroids for other transformer manufacturers.

Quick Turnaround

With our custom-designed quoting software, we can quickly give you the answers you need. Our proprietary manufacturing technology allows us to switch between projects within the span of 15 minutes. Once we’ve received inventory, we can provide you with a sample within 24 hours.

Cost-Effective Manufacturing

Utilizing our winding machines, we are able to produce toroids cheaper than anyone, anywhere else in the world. We have completely eliminated the need to outsource our manufacturing capabilities. We can build your product in the U.S. for a very competitive price.

The Highest Performance

Everything we build is optimized for your application. We maximize the core, the wire, the windings, and the insulation to your specifications. Your product is also 100% electrical tested before it goes out the door.

On Time Deliveries

We source products from 5 different continents. If one of our suppliers develops a problem, we can quickly and easily obtain replacement parts without deviating from our delivery schedule. We can provide monthly, weekly, or daily deliveries to match your scheduling requirements.

Unparalleled Customer Service

We work with customers every step of the way and we listen to what our clients have to say. 90% of the changes we make to products and to our internal procedures are based on customer recommendations. Similarly, we suggest alternatives to mounting, location, and wiring to make our customers’ production more efficient. We are always available for onsite customer feedback.

Cortec - High Frequency Magnetics Transformers