Metal dome or buttons with stickers have a longer life span than tact switches and can reach up to 1 million times. Whether it is manual or mechanical, it is more convenient to assemble the surface. If it is a sticker type, it can be assembled several or more than a dozen at a time. The buttons take up less space and can be used together with many buttons. The stickers and stickers used in the remote control and keyboard are included.
The shape type of metal keypad dome switches can be customized according to the actual needs, and the strength and feel can be adjusted according to the actual needs (belong to the custom-made buttons, rarely in stock). The protection ability is slightly weaker than the custom membrane switches, but the sticker also has a certain dustproof function, and the fixing is not as good as the tact switch, and it does not have insulation characteristics.
From the point of view of PCB board design, it can be directly attached to the board without soldering. If the temperature resistance is a triangle-shaped pot with afoot, it is higher than the tact switch. If it is with a sticker, the temperature resistance is not as good as the tact switch.
The above is all the contents of how to choose the pan and the tact switch. Both products need to be used on the board. They can not be applied directly to the product with a single button, nor can they be connected to household direct current. The voltage passed is generally less, the two buttons are also buttons with less resistance load.
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