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Ultrasmall tactile switch targets handheld devices

Posted: 20 Feb 2007 ?? ?Print Version ?Bookmark and Share

Keywords:tactile switch? switches? Omron? xx? xx?

Omron Electronic Components LLC has introduced the B3U series of ultrasmall tactile SMD switches that measure 1.2-by-3-by-2.5mm. Targeting handheld devices, the B3U switches use 75 percent of the volumetric space of similar models in a space of 9mm3 versus 12-16mm3.

The B3U SPST-NO switch offers a switching capacity of 1-50mA at 5-12Vdc with an initial contact resistance of 100 milliohms maximum. The switches feature a dust-proof construction to provide reliable performance in harsh environments. These switches are available in top- or side-actuated configurations, and a ground terminal version provides protection against static discharge. They can be delivered with or without a locating boss.

The B3U operates in a temperature range of -25C to 70C in 60 percent humidity without icing or condensation. The top-actuated model (B3U-1000 series) has a minimum life expectancy of 200,000 operations while the side-actuated model (B3U-3000 series) offers 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; with a release force of 20.3gf minimum for both devices. Applications include mobile phones, remote controllers, portable audio players, computer games, wristwatches and computer peripherals. The switches are RoHS compliant.

MSRP for any style is 39.2 cents each in full reel quantities (3,500pcs per reel for the B3U-1000 series and 4,000pcs per reel for the B3U-3000 series).

Delivery is from stock to eight weeks. Engineering samples and a complete set of technical data is available.

- Gina Roos
eeProductCenter




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