Have tact, will travel

5 March 2008 Interconnection

Knitter-Switch has introduced a new long-travel tact switch series aimed at applications in industry, medical systems, consumer electronics and the automotive sector.

Switches in the TSS 650 series are small, surface mount tact switches that provide an extra long travel of 1,3 mm, compared to the industry 'norm' of just 0,25 mm. Because the switch incorporates a silicone dome, there is no audible click during operation but there is nevertheless excellent tactile feedback for the user. These characteristics can be particularly useful in broadcast and medical environments.

The new switch has a body which measures just 6 x 6 mm with a height off the board of 5 mm. Designed to be lead-free reflow solderable at up to 260°C, the use of J hooks saves further board space. Operating temperature range is from

-40 to +85°C. The switches have a long mechanical life with a minimum of 30 000 cycles, contact ratings of 12 V d.c., 50 mA and a low contact resistance of 100 mΩ.

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