Designing boards with plug-n-play connectivity is a snap, with STEMMA connectors. Here's a pack of 10 of our favorite 2mm pitch connector which are compatible with the JST PH 3 pin. These are the vertical style.

You can use these with any JST PH 3-Pin or Compatible / STEMMA cables. They're not STEMMA QT compatible (those use the smaller JST SH compatibles). 

We also carry these connectors in horizontal style.

For more information about JST PH connectors, visit the JST website, these connectors use the same footprint!