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RGB LEDs operate in extreme outdoor conditions

Posted: 03 Apr 2007 ?? ?Print Version ?Bookmark and Share

Keywords:RGB LED? electronic displays? high-brightness LED?

Avago Technologies developed a series of high-brightness SMT tri-color LEDs that will enable designers to develop large indoor and outdoor electronic displays that provide sharper images and graphics. This series of high-brightness RGB LEDs are available in standard PLCC-4 packaging and have been designed to operate in extreme outdoor conditions. Moreover, the ASMT-QTB2 series offers a viewing angle of 120 to improve visibility of large outdoor displays in bright sunlight. Typical applications include stadium scoreboards, billboards, marquee signs and electronic variable messages signs.

The LEDs can be soldered using conventional surface-mount techniques, and the package is qualified to a JEDEC moisture sensitive level (MSL) rating of 2a. For manufacturers, this rating means that these LEDs can be kept in the open air (30C, 60 percent relative humidity) for up to four weeks after being removed from its sealed package without the need to remove absorbed moisture.

Samples available today. Pricing is at 73 cents each 2,000-piece quantities.

- Emily Gleason

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