Product category:
Switches and Keyboards
News Release from: Devlin Electronics | Subject: SMT tactile switches
Edited by the Electronicstalk Editorial
Team on 15 April 2005
Tactile switches designed for automated
assembly
The Components Division of Devlin Electronics has introduced a RoHS-compliant range of super-thin, fully sealed SMT tactile switches.
The Components Division of Devlin Electronics has introduced a RoHS-compliant range of super-thin, fully sealed SMT tactile switches They are designed for automated assembly, and are a viable alternative to the use of rubber-moulded keypads, which are normally anything but tactile in their operation
This article was originally published on Electronicstalk on 18 Aug 2004 at 8.00am (UK)
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Tactile alternative to rubber keypads
The SOT range of super-thin fully sealed SMT tactile switches are billed as a viable alternative to rubber-moulded keypads - which are anything but tactile in operation.
The SOT switches are supplied on a tape reel, to feed pick-and-place machines, automatically feeding into wave solder reflow ovens.
The fully sealed design means that they can also be put through the end-of-line wash, as part of the automated production process.
The switches are 4.5mm square, with a thickness of just 0.55mm.
The design incorporates a stainless-steel "click spring" to provide a very positive tactile operation.
The operating force is 1.6-2.5g, with a life of 0.5 million cycles.
Because the switches are specifically designed for automated production, the turnaround time from a new design to a finished product can be very fast - unlike custom moulded keypads.
Applications will include small electronic panel devices, such as programmable controllers, heating controls, computer, telecommunications or video products.
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