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How to Choose? Rubber Dome Switches Or Metal Dome Switches

2024-12-26 · Site Editor


Dome switches are a typical type of electrical switch that uses silicone, rubber, or metal material to form a dome on the primary circuit.

computer keyboard with rubber dome


tiny key Silicone dome

Rubber Dome Switches

Rubber Dome Switches typically contains rubber dome which designed in a hemispherical or other raised geometric shape to distribute pressure evenly when pressed. 

Triangle Shape Metal Dome Button

Metal Dome Switches

Metal Dome Switches are switch devices which use a metal dome as a core component to control the on/off of a circuit. 

structure metal dome keypads


different shape oval rectangular metal dome buttons


Structure of rubber dome computer keypad


How to Choose Appropriate Dome Switches? 

To make informed decisions about switch selection, it’s essential to know the features of different dome switches:

metal done keyboard

Advantages of the Metal Dome Switch:

Durability. The metal dome structure has high mechanical strength and can withstand more presses for a longer lifespan.

Tactile. The metal dome provides clear tactile and click feedback when pressed.

Good electrical conductivity.

Fast Response. Due to the nature of their construction and materials, metal dome switches typically have a faster response time



tiny key Silicone dome button

Advantages of Rubber Dome Switches

Rubber raw material is inexpensive to mass production and customization. 

Rubber dome keypad is soft and more friendly to fingers when pressing. They also fit different surfaces and key shapes better.

Rubber dome keyboard produce less noise when operating, which is suitable for equipment that requires a quiet environment.

Rubber material has certain waterproof performance and good insulation.


Comparison and Application Suggestions

In short, when choosing the type of switch, it should be weighed according to the specific application scenarios and needs, in order to achieve the best use and economy. You could also contact our professionals for further advice.

Besides dome switches, Membrane Keyboards and Dome Keycaps are also very common types of keys, if you would like to know more, please click on the link.


membrane switches

Membrane Keyboard


Membrane keypads, also known as membrane keyboards, membrane switch

Membrane keypads use one, two, or three thin sheets of flexible plastic where

places electrical contacts as part of the switch assembly.


P+R dome keycaps

P+R Dome Keycaps

P+R Dome Keycaps combine PBT plastic for durability with a rubber top for tactile feedback, offering a resilient and comfortable typing experience.  P+R buttons are popular among typists and gamers.




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