Avago Technologies Introduces Water-Resistant High-Brightness Surface Mount Tricolor LEDs for Indoor and Outdoor Full Color Signs
Source/Type:  LIGHTimes Online - News - Staff reports

Author: LIGHTimes News Staff

January 28, 2010... Avago Technologies has introduced a line of tricolor surface mount LEDs for indoor and outdoor full color signs and displays.

Avago’s ASMT-YTBO Plastic Leaded Chip Carrier (PLCC)-6 Blackbody and ASMT-QTCO industry standard PLCC- 4 LEDs have been enhanced to make them water-resistant. As a result, a protection cover is not needed saving money for indoor and outdoor display designers. The company boasts that the LEDs offer high contrast, a wide viewing angle, and better color control and reliability.

Avago says that the compact tricolor LEDs are ideal for use in electronic video screens and advertising signs used in transit malls, airports, and stadium scoreboards. Avago is a leading supplier of analog interface components for communications, industrial and consumer applications.

Avago’s enhanced ASMT-YTBO LEDs provide full color display application designers with a 115-degree viewing angle in addition to better color control and contrast. According to Avago, the LEDs are specially designed to meet indoor and outdoor LED screen requirements for better screen resolution (greater than 12mm pixel size), and high-brightness performance. They also have six leads to enhance thermal management and allow individual color control of each chip to display a multitude of colors including white. The chips measure 4.4 mm by 4.4 mm by 3.5 mm. Avago says they incorporate silicone material to extend light output performance over time.

The compact ASMT-QTCO package incorporates a separate heat path for each LED dice to enable it to be driven at higher currents. As a result, these SMT LEDs can operate in a wide range of environmental conditions to provide customers with high reliability. Both tricolor LEDs are compatible with reflow soldering processes and have a moisture sensitivity level of 2a (MSL 2a) to make them ideal for use in SMT production environments. Avago News Release

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