Y16T21510FP is a high-performance momentary key switch from the K12 series, designed for low-level switching applications. It features excellent tactile feel with multiple travel options (1 mm, 1.5 mm, or 2 mm) and various operating force configurations ranging from 1.5 N to 6/12 N. The switch offers a switching travel of 0.6 mm and is available with optional LED illumination in multiple colors including green, yellow, orange, red, white, and blue. Common applications include automotive systems, industrial electronics, computers and network equipment, and joysticks where reliable tactile feedback and long life are essential.