Specialists in Power Electronic Component and Assemblies

Over the years we have added thousands of products and have become a global leader specializing in: Rectifiers (Diodes), Thyristors (SCR's), Bridge Rectifiers, Assemblies, Heat Sinks, Bar Clamps, Box Clamps, IGBT, Resistors, Capacitors and Thermistors.

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Our Corporate History

Incorporated as a privately held sales and marketing company specializing in Power Semiconductors and Electronic Components. Initially, C&H marketed and sold Selenium Rectifiers.

Now, we offer one of the largest portfolios of Power Electronic Components for heavy industrial applications: welding, battery charging, steel, aluminum, mining, water, waste treatment, forklifts, overhead cranes, industrial motor control, transportation, power generation, wind turbines, solar inverters and many others.

Our Comittment to Quality


For over Forty Years, C&H Technology has pursued Excellence and only settled for greatness. From our customer service to our assembly and manufacturing, we have never missed a step toward that impossible goal of perfection to support our customers.


C&H Technology is a multi-generational family-owned business that thrives on the Value we bring to our customers. While we have expanded our operations globally and have our products on every continent, we don't separate from our small business ideologies: “Hard work is learned by working hard and treating our valued customers, suppliers and employees as family."
~ J. Heelan – CEO / President


Through adherence to industry standards and rigorous personal tests, everything we ship proudly carries our name. Whether it is assemblies and heatsinks or a phone call with your sales rep, you are working with the best.

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MRO & Distribution

Replacement and Cross-Reference Specialist.

GrandPower is a Leading Supplier for Replacement Diodes, Rectifiers, Thyristors, SCR'S, and IGBT'S for Maintenance, Replacement Operations and MRO Distribution.

Contact Distribution Sales Manager: Gayle Bird

Our Partners

C&H Technology partners with some of the finest manufacturers in the Power Electronics industry including Vishay, HItachi ABB, Meccal, Poseico, Mitsubishi Electric, Secowest, Petercem & Powerex.

See Our Line Card