The C&K COMPONENTS Y41A00421FPLFS is a versatile SPST momentary key switch, ideal for applications requiring a simple, reliable user interface. Its easy X, Y coding on a single-side PCB simplifies integration, while the positive tactile feedback ensures a satisfying user experience. Constructed with high-quality materials, this switch offers durability and consistent performance. It is RoHS compliant and compatible, making it suitable for environmentally conscious designs. Typical applications include video games, appliances, and other electronic devices where a momentary push-button action is required. The switch is available in a variety of colors and button styles to meet specific aesthetic and functional requirements.