The C&K PTS645 series 6 mm tactile switches offer a compact and versatile solution for various applications. These switches feature a momentary action, SPST N.O. contact arrangement, and PC pin terminals. They are available with different actuation forces (130, 160, 200, and 260 grams) and actuator shapes, including round and square options. The switches are RoHS compliant and designed for easy integration into various systems, making them suitable for consumer products, instrumentation, computer products, and industrial equipment. Soldering requires preheating and careful cleaning to ensure optimal performance and longevity.