The C&K PTS635 series 3.5mm tactile switches offer a compact and versatile solution for a wide range of applications. These switches are designed with a momentary action and SPST N.O. contact arrangement, providing reliable performance in consumer products, instrumentation, computer products, and industrial settings. Key features include a compact size of 6x3.5mm, a variety of switch heights, and a choice of actuation forces ranging from 130 grams to 260 grams. The switches are RoHS compliant and available in various termination options, including PC pins and surface mount configurations. The easy build-a-switch concept allows for customization to meet specific application requirements.