A capacitive switch detects the presence or absence of a conductive object, such as a finger, by measuring changes in capacitance. This means there are no mechanical components within the switch – eliminating any potential mechanical failure and offering excellent durability in even the harshest environments.
Our capacitive switches possess a self-contained system that gives flexibility to the design of your product. We are able to incorporate these switches with many different features including backlighting, touchpads, touchscreens, proximity sensors and more to create a product exclusive to your application. Common applications for capacitive switches include automobiles, computers, cell phones, consumer electronics, and industrial machinery.
The most common materials used for overlays are plastic, acrylic, and glass due to their durability and versatility. Any adhesives that are used on the overlay must make good mechanical contact, as air gaps reduce the dielectric constant and sensing uniformity. The adhesive must also be non-conductive. A commonly used acceptable adhesive is the 3M 200MP series acrylic adhesive (3M467, 3M468).
Need help with your capacitive switch project?
Schedule a meeting with us to receive top-tier engineering and design support.
capacitive switch design guide. For free!
Our team of engineers stand ready to help you!
Let us help you with your next project.
Services offered to our clients:
Designers and manufacturers of human-machine interface products.
311 Winton Street
Wausau, WI 54403
202 South Johnson Street
Berlin, WI 54923
Connect with us.