OEM Applications

Sigma Electronics is a custom design and manufacturing company for transformers, inductors, chokes, solenoid coils and more for OEMs. Conveniently located in Houston, Texas, we design custom crafted wirewound magnetics manufactured to your particular specifications.

In business since 1981, we have many years of experience and knowledge designing and manufacturing wirewound magnetics. Our highly trained engineers can design a new part, or modify or duplicate an existing part. Sigma has more than 10,000 custom designs in our files (confidential to our customers).

The Sigma facility is ISO 9001:2015 certified and is equipped with the most innovative computerized design programs and test equipment available to the industry. Each unit manufactured by Sigma is marked with a date code, assigned a serial number and receives 100% in-process and final testing.

The following includes some of the custom products designed and manufactured by Sigma:

  • Power transformers
  • Toroids
  • Inductors
  • Chokes
  • Constant-voltage transformers
  • Flyback Transformers
  • Solenoid coils
  • Geophysical transformers
  • Impedance matching transformers
  • Current Transformers
  • Signal Transformers
  • Three-phase transformers

If you don’t see your particular OEM application listed, please contact one of our experienced sales reps today for a detailed quote. We would be happy to discuss your specific needs.

Click here to submit a Request for Quote
or call us today at 800.874.7121