Metal dome switch
What’s the metal dome switch? Maybe you will ask me this question. Ok, follow me. Metal dome switch is commom a switch for your product. Metal dome switch you also can call snap dome, tactile dome switch. The theory of metal dome switch work is that you press down the dome, and then contact the circuit board to close the circuit. The most improtant is the range of contact resistance for the metal dome switch. Normally, for the stainless steel metal dome, the contact resistance is less than 10 ohm.
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