* [https://www.fischerelektronik.com/web_fischer/en_GB/heatsinks/A04/Extruded%20heatsinks%20for%20PCB%20mounting/VA/SK6894SA/index.xhtml Fischer SK 68 94 SA | Fischerelektronik] (PDF, DXF, IGES, and STEP files available) | * [https://www.fischerelektronik.com/web_fischer/en_GB/heatsinks/A04/Extruded%20heatsinks%20for%20PCB%20mounting/VA/SK6894SA/index.xhtml Fischer SK 68 94 SA | Fischerelektronik] (PDF, DXF, IGES, and STEP files available) |