This 5mm RGB LED contains three LED elements (red, green and blue). Each element can be controlled independently. By varying the amount by which each element is turned on any colour can be created. They are ideal for design colour controlled lighting effects. This LED has a common cathode which is the longest leg (negative). Download datasheet for this part pdf_icon.gif Forward voltage, red element: 1.9 - 2.5V Brightness, red element: 1500 - 2300 mCd Forward voltage, green element: 2.9 - 3.5V Brightness, red element: 2000 - 2700 mCd Forward voltage, blue element: 2.9 - 3.5V Brightness, blue element: 1500 - 2200 mCd Angle: 45 degrees Lens: Water clear