FSMIJ61AW04 is a tactile pushbutton switch from the FSM series designed for reliable user input in electronic devices. Based on the product family context, this switch is part of TE Connectivity's sealed tactile switch lineup, which includes various mounting options and actuation force ratings. The specific model designation suggests it features sealed construction for environmental protection, though the exact specifications for this particular SKU are not explicitly detailed in the provided documentation. These switches are commonly used in consumer electronics, industrial control panels, and portable devices where durability and consistent tactile feedback are required.