Kingbright l 53 series 5mm leds kingbright l 53yd yellow diffused 5mm led from the kingbright l 53 series with luminosity of 25mcd made with gallium arsenide phosphide on a gallium phosphide yellow light emitting diode to find out more about the full range of kingbright products please visit rapids kingbright page kingbright l 53yd 5mm yellow led diffused 25mcd