The C&K COMPONENTS Y78B23120FP is a PCB keyswitch engineered for high switching reliability and compact design. Ideal for applications requiring precise control and durability, these keyswitches are suitable for use under an overlay or with RK 90 keycaps. Available in print and SMD versions, they offer flexibility in manufacturing processes. The switches are designed to meet various environmental and electrical specifications, ensuring consistent performance in demanding conditions. They are commonly used in data entry systems, industrial control panels, and other applications requiring robust and reliable key actuation.