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Find everything you need to make smart design choices for your next project. Search over 16 million verified symbols, footprints, and 3D models. Browse intelligent reference designs from participating manufacturers to jumpstart your design. Find associated documentation and design resources like datasheets, pricing, availability, and simulation models.
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Download components for free in over 30 CAD formats. Models are available for download on Ultra Librarian, or from participating distributors, manufacturers, or PCB design tools.
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featured reference designs
15 kW, three-phase Vienna rectifier with low cost mixed-signal control for power factor correction
60 LED (6 x 10) cost-effective matrix display based on STP16CPC26 with Bluetooth low energy and Android app
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stmicroelectronics parts
In order to provide the largest library of verified CAD models, we have partnered with major IC manufacturers including STMicroelectronics to build libraries of their parts. Our library consists of all the major IC applications including analog to digital converters, power management ICs, processors, analog comparators, microcontrollers, operational amplifiers, transistors, regulators, and much more.
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