In addition to employing a unique lead-frame design for better heat dissipation, the through-hole QuasarBrite four-lead RGB LED provides a120° viewing angle. The RGB format combined with extended viewing angle provides consistent, well-matched visual performance and an even viewing angle throughout the display. RoHS compliant, the LEDs (part number SSL-LX503SIUPGUSBC) contain three individual dies in red (635 nm), green (520 nm) and blue (470 nm). Pricing depends on quantity and is less than $1 each in production quantities. LUMEX INC., Palatine, IL. (800) 278-5666.