LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays.
This is a very standard, yellow LED. The lens is 3 mm in diameter and it is diffused.
2.0-2.4V DC forward drop
Max current: 20 mA
Suggested using current: 16-18mA
Luminous Intensity: 40-100 mcd