5mm RGB LED, Common Cathode,

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This common cathode RGB LED is ideal for small light up projects or just to add the RGB light to something larger. 

This LED requires a protection resistor to regulate the current, for a 5V supply (Arduino) then a 300 Ohm resistor is recommended. 

Specs: 
Size: 5mm
Forward Volt drop Red: 2V
Forward Volt drop Green: 2.75V
Forward Volt drop Blue: 2.8V
Recommended Forward Current: 10mA