Tactile Switch
A tactile switch is an on/off electronic switch that is only on when the button is pressed or if there is a definitive change in pressure. Another way to consider it, as momentary make or brake switch. As soon as a tactile switches button is released, the circuit is broken. A main area of tactile switches, are tact switches. Tact switches are tactile electromechanical switches for keyboards, keypads, instruments or interface control-panel applications. Tact switches react to user interaction with the button or switch when it makes contact with the control panel beneath. In most cases this is usually a printed circuit board (PCB).
Types
Standard Types
Illuminated Types
Hinged Types
Sealed Types
Key Tops
Surface Mount Types