Touch switch is an electronic switch, which belongs to electronic components. Touch switch has the advantages of small contact resistance load, accurate operating force error and diversified specifications, and is widely used in electronic equipment and white goods. Also known as key switch, it first appeared in Japan [called: sensitive switch]. When it was used, it pressed the switch in the operating direction to meet the operating force. When the pressure was removed, the switch was turned off, and its internal structure was made on and off by the force change of metal shrapnel.















