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Ultra Librarian is proud to be the world’s most extensive CAD library. We offer free access to schematic symbols, PCB footprints, 3D STEP models, and reference designs in multiple CAD formats so you can quickly and easily search and download what you need for cutting-edge designs.

Symbol
ANSI Y32.2-1975 (reaffirmed 1989)
Footprint
IPC-7351B
3D Model
ISO 10303-21

When you need to find ECAD models that are verified by component manufacturers, try using our electronics search engine features. If you’re inspecting a design and you need to identify electronic components, you’ll be able to access verified distributor data and CAD data supplied by manufacturers to update your designs. All CAD data is compatible with popular ECAD applications, which will help you streamline your verification process.

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