The C&K PTS125SK85LFS is a 12mm tact switch designed for momentary action applications. It offers a stable control feeling and is RoHS compliant, ensuring environmental responsibility. This switch is suitable for a wide range of applications, including consumer products, instrumentation, computer products, and industrial equipment. It features thru-hole actuation and is available with actuation forces of 160 grams (M option) or 260 grams (K option). The switch's construction includes a 6/6 nylon or glass filled polyester (PBT) base, PBT or polyacetal actuator, tin alloy cover plate, phosphor bronze silver clad dome contacts, brass silver plated stationary contacts, and brass silver plated terminals.