Design and manufacture of custom, ruggedized, high-reliability magnetic components.

Supporting the energy industry and medical applications.

Contact APITech’s application support team to discuss your requirements today.


APITech produces a broad range of magnetic devices, including a variety of transformers, inductors, chokes, and coils. We specialize in parts requiring customization for applications including energy management, telecommunication systems, automation and motor controls, instrumentation, and many others to fit your particular design.


APITech's commitment to quality begins with a rigorous raw material selection and inspection process and continues through highly trained operators utilizing state-of-the-art equipment. The end result is the highest quality magnetics consistently manufactured to meet some of the industry’s most stringent requirements including many MIL, ANSI, and ISO certifications.

We offer extensive design and manufacturing capabilities, including more than two dozen magnetic core materials and winding wire from 6 to 45 gauge with many coatings, leads, and terminations. We produce toroids ranging in size from 0.5" to 18" in diameter with up to 4,000 turns and accuracy to +/- 1 turn, and a wide variety of encapsulation and laminate options.

Competitive Advantage

The engineering team at APITech brings a wealth of experience to help you find the ideal magnetic product for your application. We will help you find a standard part number or develop a custom solution using the design criteria you prefer, from construction (raw materials, winding, and finish) to electrical and mechanical characteristics to circuit function.

Explore Our Products

  Current Transformers: Measures electrical current by transforming from high to low measurable values. Transformer-web
Laminate Power Laminate Power Transformers: Preferred for higher voltage uses with higher immunity to transient damage.  
  Toroidal Power Transformers: Convert power-level voltages from one level or phase configuration. Toroidal Power
Power-Inductor-web Power Inductors and Chokes: Stores energy as a magnetic field. Can delay and reshape alternating current.  
  Lightning Chokes and Inductors: Filter out noise currents from various electrical power control circuits. Lighting Choke
Air Coil HR Air Coil Inductors: Made with specialized tooling to meet dimensional and electrical requirements.  
View our complete line of Transformers and Inductors!

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APITech always strives to be the innovator at the forefront of EMI Filter technology. Stay in touch to learn more.

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