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PCB Footprints and 3D Models

Speed up electrical system, circuit, and product design by downloading PCB symbols, product footprints, and 3D models of Speed up electrical system, circuit, and product design by downloading PCB symbols, product footprints, and 3D models of components from Littelfuse’s extensive online library directly to your ECAD system.

Littelfuse partners with SamacSys to provide PCB symbols, product footprints, and 3D models of products for free and at the speed of a single click. Accelerate your design process by accessing our library of high-quality files that are 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

Getting Started

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 Loader

2. Run Library Loader from the desktop shortcut:

Subsequent library downloads go straight into your ECAD Tool.

Questions? Visit SamacSys Library Loader help nav icon

ECAD and PCB FAQs

Where can I find PCB symbols, footprints, and 3D models of Littelfuse products?

ECAD models are available for download or request on our product series and product part pages. Look out for the Symbols & Models sign at the top of the page. Clicking it will lead you to the selection of available Partner ECAD Models. Alternatively, look for Partner ECAD Models Tab under Technical Resources

ECAD models are not available for download for a Littelfuse product I selected–what now?

Click on Build or Request PCB Symbol or Footprint and the requested model will be promptly delivered straight to your inbox.

My request for build or request PCB symbol or footprint was abandoned–what now?

In case your request was abandoned due to missing or incorrect data, please reach out to us at marcom@littelfuse.com