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Find associated documentation and design resources like datasheets, pricing, availability, and simulation models. Download 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. Design Design in your preferred CAD tool or through our available apps and integrations . Get back to what matters most; innovation, not part creation. REGISTER FOR FREE TODAY GET SYMBOLS, FOOTPRINTS, AND 3D MODELS FOR YOUR CAD TOOL THE BROADEST CAD TOOL SUPPORT IN THE INDUSTRY Previous Next Don’t see yours? Check out the full list here . 0 CAD Formats Supported 0 K Parts Added Per Month 0 M+ Available CAD Models ULTRA LIBRARIAN DOWNLOAD FEEDS THOUSANDS OF MODELS DOWNLOADED EVERY DAY Recently Downloaded Parts PCH-112L2MH,000 TE Connectivity SN74LVC1G80DBVR Texas Instruments MCP4451-103E/ST Microchip TB6612FNG,C,8,EL Toshiba Electronic Devices & Storage Corp. 855135013 Molex Connector Corporation R05C1TF05S-CT Recom Power DLW43SH101XK2L Murata UP2-AH-1-TH CUI Inc 100YXF220MEFC16X25 Rubycon ADV7513BSWZ Analog Devices Inc Top Downloaded Parts STM32F103C8T6 STMicroelectronics TRF7960RHBT Texas Instruments M24C02-WBN6P STMicroelectronics USB4105-GF-A Global Connector Technology ISO1642DWR Texas Instruments DLF162500LT-5028A1 TDK RC0402JR-0710KL Yageo LTC4310CDD-2#PBF Analog Devices Inc 1825910-6 TE Connectivity STM32F407VET6 STMicroelectronics FIND PARTS FROM OVER 2,500 MANUFACTURERS BROWSE PARTS FROM YOUR FAVORITE MANUFACTURERS Previous Next Check out all manufacturers here . high quality models BUILT TO THE HIGHEST STANDARDS Symbol ANSI Y32.2-1975 (reaffirmed 1989) Footprint IPC-7351B 3D Model ISO 10303-21 LEARN ABOUT OUR VERIFICATION PROCESS available in multiple cad formats reference designs Ultra Librarian now offers ready-to-use reference designs available for download in multiple CAD formats. Jumpstart your design and see components in action without spending time recreating the design from PDF or sourcing the components. TIDA-010249 Four-channel synchronous vibration sensor interface reference design Download Now TIDA-00440 Leakage Current Measurement Reference Design for Determining Insulation Resistance Download Now MAXREFDES1214 Portable 1.5A USB Charger with Micro-USB Input and USB Standard-A Output Download Now Browse reference designs here . "We’re a startup with very little spare change so having this resource available is very valuable to us. It is saving me enormous amounts of time. Plus, having models available that have been through production and are generally ’tried and true’ is very valuable. So when my boards come back from fabrication there have not been any issues with components." Walter Cromer CIO & Founder of Eden Concepts LLC "Ultra Librarian is very helpful in my circuit designs. 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