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Product Releases


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MINNEAPOLIS, MN – Precision, Inc. announces the global launch of the company´s GaN-ready magnetic capabilities. GaN-ready LLC transformers and PFC inductors are now available for a broad range of medical equipment design applications including, power factor correction, motor drives, power supplies/UPS and server.

Gan Technologies Products

GaN-ready LLC transformers and PFC inductors are now available directly from Precision as well as through leading GaN switch providers like Transphorm and International Rectifier.

GaN Switches

GaN switches provide an impressive number of key benefits to medical equipment design engineers that are concerned with their equipment size, power losses and patient connect protection. The specific important features are:

  • Significant reductions in system volume, weight and size
  • Higher operating temperatures / reduced heat sink requirements
  • Lower switching losses / increased power output (up to 95% peak efficiency)
  • High breakdown strength, high maximum current and high oscillation frequency

GaN-Ready Magnetics

“Due to the many key benefits it provides, GaN switching technology is fast becoming a very popular option in a wide number of applications,” explained Welly Chou, Design Engineering Manager at Precision. “Precision is proud to have joined forces with industry-leading GaN switch producers to create and now introduce high performance GaN technology with demonstrated results.”


Precision has partnered with GaN experts including International Rectifier and Transphorm to create ultra-compact power supplies with LLC transformer and PFC inductor technologies designed for optimum performance at high switching frequencies. Precision brought unique expertise in core material selection and parasitic (i.e., leakage inductance and capacitance) management together with an extensive Litz wire selection to cutting edge GaN technologies that are now available worldwide. 

Technology Options

Precision provides other custom GaN-ready magnetics in both PFC and LLC formats directly to design engineers and has partnered with both Transphorm and International Rectifier on large circuits with integrated GaN-ready magnetics.


The EZ-GaN Evaluation Board All-in-One Power Supply from Transphorm is a complete high-density 250W computer power supply using 600V GaN HEMTs switching at 200 kHz. The system provides up to a 45% reduction in size compared to an Si-based equivalent with a highly efficient design (greater than 95% peak efficiency). This solution was demonstrated during APEC 2014 at both Transphorm and OnSemi’s booths.

International Rectifier

International Rectifier demonstrated its GaN technologies through a bridgeless Totem-Pole PFC circuit at APEC 2014.  The circuit achieves 99% efficiency with Precision’s PFC-01200-00 inductor.

About Precision, Inc.

Precision, Inc. is an industry-leading designer and manufacturer of custom and standard magnetic components and assemblies. The Minneapolis-based company has over 40 years of design experience and specializes in the creation of innovative and sophisticated solutions for solving customer’s magnetic technology needs. Precision, Inc. uses cutting-edge materials and state-of-the-art design technology to deliver products across a broad range of industries including renewable energy, medical device, medical equipment, aerospace/aviation/automotive, electronics, food processing, instrumentation, industrial control, telecommunications and HVAC applications. Precision, Inc. is ISO 9001 and ISO13485 certified and ITAR registered.

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