FSMCH is a tactile switch from the FSM series manufactured by TE Connectivity. This switch is part of a broad family of tactile switches available in various configurations including different actuator lengths, actuation forces, and mounting options. The FSM series offers features such as sealed and unsealed versions, SMT and THT mounting options, and various actuator styles. These tactile switches are commonly used in consumer electronics, industrial controls, and other applications requiring reliable momentary switching with tactile feedback.