Kingbright l 53 series very high brightness leds kingbright l 53syd high brightness super bright yellow 5mm led from the kingbright l 53 series with a yellow diffused lens and luminosity of 1200mcd made with an algainp on gaas substrate light emitting diode chip to find out more about the full range of kingbright products please visit rapids kingbright page kingbright l 53syd 5mm super bright yellow led diffused 1200mcd