The C&K PTS645 series 6 mm tactile switches are designed for applications requiring a compact and reliable momentary action switch. These switches feature a variety of actuator lengths and actuation forces to meet specific design needs. They are RoHS compliant and suitable for consumer products, instrumentation, computer products, and industrial applications. The switches are available with different termination options, including straight, straight with ESD pin, and vertical configurations, and offer a life expectancy of 100,000 operations. Soldering requires preheating and careful cleaning to ensure optimal performance.