Choosing Tactile Dome PCB Board Plating


When evaluating the type of PCB pad plating you will need with tactile dome contacts, it is important to ask yourself two questions:
1. What is the product life cycle requirement?
2. What type of contact resistance do I require?

The circuit pad base is often copper, which will oxidize if not plated. Nickel has good contact resistance and gold has excellent contact resistance. Both are recommended for most applications. Other materials such as tin/lead have been used where high contact resistance is acceptable. Visit our website for more information.

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About Snaptron Inc.

Industry leaders in the design and manufacturing of metal dome switch contacts and complementary equipment for the membrane switch and related switch industries.

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