Y16T21200FP 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 wide choice of LED colors and is available in sealed versions with IP 67 protection class. Common applications include automotive systems, industrial electronics, computers and network equipment, and joysticks where reliability and long life are essential.