Switches, Relays & Keypads


Smallest SMD tactile switches

27 June 2007 Switches, Relays & Keypads

Omron offers what it claims is 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.

The new 1,2 mm high B3U switches have a footprint of just 3,0 x 2,5 mm, enabling high-density mounting on PCBs. They are suited 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 construction and high operating life-time of 100 000 cycles (side-actuated) and 200 000 cycles (top-actuated). Both are available with a ground terminal to avoid static build up, and a boss to locate the switch on the board during assembly.

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.



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