LY T66F-ABBB-46-1 - 

OSRAM TOPLED Black Dome Lens Series LEDs
The TOPLED Black series , from Osram Opto Semiconductors, is a range of mid-power LEDs in a standard PLCC-2 dome lens package. The black package, provides significantly higher contrast and lower reflectivity than comparable white-package LEDs, without compromising luminous intensity.This makes the TOPLED Black LED ideal for use in signs and displays including: information displays for traffic and public transport,price changing displays or for any kind of display lettering.