Rubber keypads
Rubber keypads Rubber keypads consist of a silicone overlay mounted over a flexible or rigid circuit. Overlay customization is obtained by silk-screen printing, laser etching or material coloration. Different types of coating (matt, glossy, epoxy) are available to protect the graphics. This technology provides a specific tacticle feel and is suitable for large production runs.
The technology
Mechanical specifications
Contact force : 0.3 to 2.5 N
Contact travel : 0.5 to 3.5 mm
Type of contact :
carbon/carbon
or silver/silver
or stainless steel/silver
or carbon/gold
or silver/gold
or stainless steel/gold
Operations : 1 000 000 to 10 000 000 depending on contact.
Electrical specifications
Maximum operating voltage : 24 V
Maximum operating current : 30 mA
Contact resistance : between 0,1 ohm and 200 ohms, depending on contact Insulation resistance : > 100 Mohms Contact bounce : depending on key shape.
Climatic specifications
Operating temperature : - 25° to + 65°C Storage temperature : - 30° to + 85°C Front face sealing : IP 65