4.5mm Tact switch smd 4pin

What is a tact switch? A tact switch is widely used in people’s daily life, such as audio and video products, computer keyboards, household appliances, remote controls, etc. When it comes to these supplies, everyone knows what a tact switch is. The following describes It is the detailed knowledge of the tact switch, so that everyone has a better understanding of the tact switch, and it is more convenient and quick to

The work principle of tact switch can be divided into the following four parts:

A ‌Tactile Switch‌es is a momentary-contact electronic component that rapidly closes or opens a circuit when minimal operating force (typically 1-5N) is applied. Upon pressure release, its internal metal dome automatically resets to break the connection13. Core characteristics include: ‌Key Structural Components‌: plaintextCopy CodeTerminal Pins → Electrical contacts Base → Structural support Metal Dome → Conductive element (copper/silver alloy) Button → Transmits