4 Benefits of Membrane Switches

Electrical switches are an essential component used in electronic devices. Their primary purpose is to control a circuit using a basic “on” and “off” mechanism. When an electrical switch is turned on, the circuit is complete and thus powered. When it’s turned off, the circuit is closed and thus not powered. While mechanical switches are the most common, membrane switches have become a popular alternative for manufacturing companies because of their unique benefits.

#1) Low Profile

Because they are designed with printed circuits and a flexible substrate, membrane switches have a lower profile than other electrical switches. Their compact, slim design allows manufacturing companies to use them in remote controls, appliance buttons and other applications requiring a low-profile design.

#2) Easy to Clean

Membrane switches are also easy to clean, requiring little more than the occasional dusting using a lint-free cloth. The same can’t be said about mechanical switches. With mechanical switches, dirt and debris often becomes trapped underneath the buttons where it’s next-to-impossible to remove. Using canned air may blow out some of this dirt and debris, but the only way to fully clean a mechanical switch is to disassemble the buttons or keys.

#3) Water Resistant

Not only are they easy to clean, but membrane switches are resistant to water and other liquids as well. You can find membrane switches available in several Ingress Protection (IP) ratings that offer protection from the ingress of water and liquids. The smooth surface of a membrane switch means that water and liquids will roll off the side rather than entering the switch’s circuit. For outdoor applications where moisture is common, there’s no substitution for membrane switches.

#4) Tactile Feedback

Membrane switches can be designed to provide tactile feedback. Of course, tactile feedback refers to the physical sensation that’s created by an electrical switch, or device, in response to user action. Snap-style domes can be used in membrane switches that deform when pressed and snap back when release, thus creating tactile feedback.

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