About C&H Technology
Power Electronics. Practical Expertise.
C&H supplies power semiconductors, assemblies, thermal solutions, and related components for industrial applications. Our team helps connect your application needs with practical technical support.
Contact Our TeamA History of Moving Forward
Privately held, C&H evolved from its early selenium-rectifier business into broader industrial power electronics.
- 1979
Secowest
Secowest agreement for U.S. sales.
- 1985
Ansaldo / Poseico
Ansaldo/Poseico agreement and International Rectifier relationship.
- 1997
Broader Capabilities
Expanded assembly, cooling, and clamp capabilities.
- 2007
Vishay
Expanded Vishay relationship following its acquisition of IR’s high-power business.
- 2011
Powerex
Powerex distribution partnership.
- 2013
Milwaukee Resistor
Vishay/Milwaukee Resistor distribution milestone.
- 2016
MaxQ Technology
MaxQ cold-plate collaboration.
- 2018
MeccAl & Mitsubishi
Mitsubishi and MeccAl partnerships.
- 2019
ABB Semiconductor
ABB Semiconductor partnership and subsequent Petercem relationship.
Our Commitment to Quality
Excellence
Attentive service and care in assembly and manufacturing.
Value
Family ownership, lasting relationships, and practical customer support.
Quality
Attention to standards, testing, and dependable components.
MRO & Distribution
GrandPower supports replacement and cross-referencing for maintenance needs involving diodes, rectifiers, SCRs, and IGBTs.
Contact Distribution SalesLooking for a Replacement?
Share your part number, available specifications, and application details. Our team can help you explore the next step.
Let’s Talk About Your Application
Connect with our team for help with component selection, custom assemblies, thermal management, or replacement requirements.
