Blue LED - 5mm Bright

Size (mm): 5mm 
Emitted Color: Blue
Lens Color: Transparant
Reverse Current (uA): <=30 
Life Rating: 100,000 Hours 
Viewing Angle: 20 ~ 25 Degree 
Absolute Maximum Ratings (Ta=25°C):
Max Power Dissipation: 80mw 
Max Continuous Forward Current: 24mA 
Max Peak Forward Current: 75mA 
Reverse Voltage: 5~6V 
Lead Soldering Temperature: 240°C (<5Sec) 
Operating Temperature Range: -25°C ~ +85°C 
Preservative Temperature Range: -30°C ~ +100°C

Don't forget the LED series resistor! (you can find these in the resistors category)

At 5V: 82Ω (click here)

At 3.3V: no resistor needed.