LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays.
This is a very basic 5mm LED with a yellow lens. It has a typical forward voltage of 2.0 V and a rated forward current of 20mA.
1.8-2.2 V DC forward drop
Max current: 20mA
Suggested using current: 16-18mA
Luminous Intensity: 150-200mcd