These 5mm LEDs have four pins – Cathode is the longest pin. One for each color and a common cathode. Use this one LED for three status indicators or pulse width modulate all three and get mixed colors!
• Common Cathode
• Forward Voltage: â—¦ Red: 2.1 – 2.4V
â—¦ Green: 3 – 3.4V
â—¦ Blue: 3.0 – 3.4V