Littelfuse.com has direct download for some parts. For others, we partner with SamacSys to provide free PCB symbols, product footprints, and 3D models at the speed of a single click. Accelerate your design process by accessing our library of high-quality files compatible with all major ECAD software.
Build or Request PCB Symbol or Footprint
PCB Symbol and Footprint Available for Download
3D Model Available for Download
Download the Library Loader tool for importing ECAD models into your PCB design software.
How to Use the Libraries
1. Install the Library Loader
Download Library Loader2. Run Library Loader from the desktop shortcut:
Subsequent library downloads go straight into your ECAD Tool.
Questions? Visit SamacSys Library Loader help
ECAD models are available for download or request on their respective part pages under the Products section of Littelfuse.com. After navigating to a part page, click "Resources" under the part name. Next, click on the "Models, Drawings & Reports" tab. Once the tab opens, you will see either an ECAD link and icon or a 3D model download link (.igs or .step file) and an icon matching those at the top of the page.
Click on Build or Request PCB Symbol or Footprint, and the requested model will be promptly sent to your inbox.
In case your request was abandoned due to missing or incorrect data, please reach out to us at ECADsupport@littelfuse.com
