EYE ON NPI - 3305 Series Open Bottom Low-Profile Receptacles #EYEonNPI #DigiKey @MillMaxMfg @digikey

This week’s EYE ON NPI is all in on keyboard hacking, just like us! The Mill-Max 3305 series open bottom, low-profile, solder mount receptacles are specifically designed to make mechanical key switches hot-swappable. The 3305 series is designed to be soldered into a ” ( mm) minimum mounting hole with an ultra-thin retention shoulder so plugged-in components sit nearly flush to the board surface. The open bottom design is meant to accommodate varying lead lengths, making this a very versatile receptacle. These sockets are popular in the keyboard building and modification community for allowing folks to have PCBs that allow socketing or direct-soldering of switches without any height changes or PCB layout changes. Compared to previous sockets manufactured by Mill-Max, the 3305’s are lower profile and have gold plating for long-life reliable contacts. Cherry MX switches () have a standardized pinout, with a large center hole