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SMD tactile switches are industry's smallest
 Omron has introduced the industry's smallest tactile switches, in top and side actuating form. Both versions offer a sealed construction to ensure high reliability in dust-laden environments.
Omron’s new B3U switches have a footprint of just 3.0 x 2.5mm and are only 1.2mm high, enabling high-density mounting on printed circuit boards. They are ideal for wireless headsets, mobile phones, portable instruments, keyless entry systems and other applications where size is a key differentiator. The switches are extremely reliable in demanding environments, featuring a sealed, dust-proof construction and a high operating life time of 100,000 cycles for side-actuated and 200,000 cycles for top-actuated versions.
Both the side and top push actuation versions of the B3U are available with a ground terminal to avoid static build up, and a boss to locate the switch on the board during assembly. They are designed to withstand reflow soldering processes for surface mount manufacturing, and available in tape-and-reel packaging for high volume production.
Operating force is specified as 1.50+/-0.49N for top-actuated versions and 1.59+/-0.49N for side actuation, giving the user good tactile feedback in use, and lending a quality feel to the user interface.
For more information on Omron's SMD tactile switches
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