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What is a Surface Mount Switch?

The 411 with RJS.
Question: What is a Surface Mount Switch?

A surface mount switch, often abbreviated to SMD or SMT, refers to the method of termination/ mounting style. SMD/SMT switches are designed to sit flat, directly on top of a PCB (printed circuit board).

Additionally, surface mount switches are tactile, meaning they need to be touched/pressed down in order to operate the device and are smaller than through hole switches. Surface mount switches became popular in the 1980s due to their size, [mechanical] life and cost efficiency, meeting the demand of electronic devices.

SMD/SMT surface mount switches are used in a wide variety of electronic devices supporting a range of industries such as automotive, aviation, medical equipment, communications, beauty appliances and domestic appliances but are not limited to just these industries.

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