Sun Transformer Logo
Electronic Transformer Manufacturer

Quality Transformer Manufacturing

Sun Transformer manufactures custom transformers, inductors, and coils for electronics applications. We are capable of producing transformers up to 10 KVA, and our designs include the following transformer types:

  Power Transformers High Voltage Flyback Transformers
  Single-Phase Autotransformer Inverter Transformers
  Three-Phase Inductors / Chokes Ferroresonant
  Control LPC (Low Profile) Pulse Transformers
  Isolation / High-Iso Heat-Sealing Toroids
  Specialty Switching Lighting

Whether it's a design for hundreds of thousands or a single replacement unit, Sun Transformer is up to the task—and has been since 1986.

E-mail or call today for a quote!

Sun Transformer Products

Sun Transformer Manufacturing Facility, McLeansboro, IL - Photo by Marty CoxAll Sun Transformer products are made in the USA at our ISO 9001:2008 registered plant. Employees at Sun Transformer are dedicated to satisfying the customer and take pride in contributing to their products. Our manufacturing standards are closely followed through each stage of production—and we perform 100% final testing to verify that our high standards have been met.

Sun Adds 8,000 Square Feet

Offices Being Renovated in New Sun Transformer BuildingMarch 26, 2012 - Sun Transformer announced today that it will be expanding its McLeansboro, Illinois facility. The industry-leading designer and manufacturer of transformers, printed circuit assemblies, and electronics products has purchased... (read more)

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Our address

Sun Transformer
1201 W. Randolph St.
McLeansboro, IL 62859

Phone: 618.643.2555
Fax: 618.643.2316
E-Mail:
sales@suntransformer.com


ISO 9001:2008

ISO Quality Management Certification Registrars Logo

View our ISO 9001:2008 Quality System certificate (PDF 200 KB).


Made in the USA

Made in Illinois Logo (Illinois Manufacturing Extension Center)

All Sun Transformer products are made in the USA at our Illinois facility.