Kingbright L-53 Series Very High Brightness LEDs – Kingbright L-53SYC, High brightness Super Bright Yellow 5mm LED from the Kingbright L-53 Series with a water clear lens and luminosity of 3100mcd. Made with an AlGaInP (on GaAs substrate) light emitting diode chip. Kingbright L-53SYC 5mm Super Bright Yellow LED Clear 3100mcd