KSC441GST1LFS is a sealed tactile switch from the KSC4 series designed for surface mount applications. It features an IP67 sealing rating, a 5.2 mm high soft actuator, and gullwing (G) terminals with lead-free silver plating (LFS). The switch provides a high click (ST1) tactile feel with an operating force of 3.4 ± 1 N, travel of 0.7 ± 0.25 mm, and an operating life of 300,000 operations. With SPST normally open contact arrangement and compact 6.2 x 6.2 mm dimensions, this switch is well-suited for industrial electronics, consumer products, and transportation applications requiring reliable performance in harsh environments.