Curtis Industries

- Curtis Industries, a leading global manufacturer of standard, modified, and custom devices, offers a wide array of EMI filter (single-phase, three-phase, DC), interconnect (barrier, Euro, PCB, DIN), and industrial products. Solving complex technical challenges with innovative engineering solutions is the Curtis Industries key to customer satisfaction. 

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Digi-Key’s library of more than 2000 exclusive PTM Online… On Demand® product training modules is a collection of training tools created with you – the busy design engineer – in mind. They are provided with the cooperation of participating supplier partners. From this one source, you can learn about the latest products and technologies, download datasheets, check inventory, contact our technical staff, and place an order for same-day shipment.

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Module NamePreviewAudioNon-AudioDurationParts List
  • EMI/RFI Basics
1.5MB284KB5 minParts List
  • EMI/RFI Regulations
1.7MB319KB5 minParts List
  • EMI/RFI Testing
1.3MB424KB5 minParts List

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More about Curtis Industries

Company Introduction

Curtis Industries is a leading global manufacturer specializing in EMI Filter and Terminal Block devices and sub assemblies. Superior quality is the founding principle of the Curtis Industries business philosophy. For product safety compliance, Curtis certifies to UL, CSA, TUV, CCC and other agencies as required. Also, they are ISO 9001:2008 certified and ITAR registered.
Curtis Industries Milestones


1933: Founded to provide manufacturing solutions to the Midwest

1937: 1st Terminal Block product developed for customer demand

1957: 1st EMI Filter introduced for growing EMC compliance needs

1979: Opened Lower Cost Manufacturing Plant in Nogales, Mexico

1987: Acquired by Powers Holdings, Inc.

2009: Acquisition of Filter Networks, a Military EMI Filter company

2010: Established partnerships with several offshore manufacturers


In the first decade of the 21st century individual nations have become increasingly interconnected. The result is a truly global economy and the need for a company to be anywhere and everywhere in the world.

Developing an insightful business strategy for this global environment means the difference between future success and mere survival. Curtis has positioned a strong global presence with manufacturing in North America (Wisconsin, Arizona and Mexico) and Asia (Taiwan, Hong Kong and mainland China).


Curtis Industries will continue to develop long-term partnerships to support next generation product applications. Our innovative engineering and manufacturing solutions provide the best value and highest quality standards.
Curtis Industries
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