It's a 3mm yellow LED. It has a typical forward voltage of 2v and a rated forward current of 20mA. A red LED is a semiconductor device and it is used as a indicator lamp in many device and are increasingly used for another lighting. They are used in wide range of application such as TV set, monitor, Telephone, computer, Project panel for indicators.
|Forward voltage||1.8 V to 2.2 V|
|Peak Reverse Voltage||5 volts|