https://industry.panasonic.com/ap/en/products/control/switch/light-touch/2819m_smd
2.8mm x 1.9mm SMD (EVPBL) | Tactile Switches (Light Touch Switches) - Panasonic
Panasonic 2.8mm x 1.9mm SMD product information. Low profile (0.53mm to 0.60mm) and Small size (2.8 x 1.9mm). IP67