The TS04-66-70-BK-260-SMT is a surface-mount tactile switch featuring a 7.0 mm actuator height and a black actuator. It requires an operating force of 260 gf (2.6±0.5 N) and has a typical actuator travel of 0.25 mm. This switch is rated for 12 Vdc at 50 mA, with a maximum contact resistance of 100 mΩ. Engineered for durability, it has a life rating of 60,000 cycles and operates over a temperature range of -30°C to 80°C, making it a reliable choice for various user interface applications.