World's Smallest Tactile Switch now Available from Omron
January 2007�Schaumburg, IL � Omron Electronic Components LLC announces the availability of the B3U series of ultra-small tactile SMD switches. Measuring just 1.2H x 3W x 2.5Dmm and taking only 75% of the volumetric space of similar models (9 cubic mm vs. 12 to 16 cubic mm), they are ideal for high-density packaging applications. The B3U SPS-NO contact configuration has a switching capacity of 1 to 50mA @ 5 to 12VDC with an initial contact resistance of 100m ohms max, and features dust-proof construction delivering reliable performance in harsh environments. These versatile switches are available in top or side actuated configurations, a ground terminal version provides protection against static discharge, and they can be delivered with or without a locating boss.
The B3U operates in a temperature range of �25 to +70 degrees C in 60% humidity without icing or condensation. They are fully RoHS compliant and the top actuated model (B3U-1000 series) has a minimum life expectancy of 200,000 operations while the side-actuated model (B3U-3000 series) has a minimum life expectancy of 100,000 operations. The operating force for the B3U-1000 is 153 +/-50gf and the B3U-3000 is 162+/-50gf; the release force for both is 20.3gf minimum. Applications include mobile phones, remote controllers, portable audio players, computer games, wristwatches, and computer peripherals.
�Handheld wireless devices are continually being pushed for additional features while, at the same time, size must be reduced. The B3U requires less than 75% of the volumetric space as compared to their predecessors giving designers an advantage,� said Cami Marsh Omron Electronic Components LLC.
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