Hello. Welcome to Futurlec. The electronic components Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help. LED GENERAL SERIES Red Flashing 5mm Round LED Photograph Features High Brightness Low Current Consumption Large Operating Voltage Range Wide Operating Conditions Pin Description Pin Number Description 1 Cathode 2 Anode Dimension Drawing Technical Data Absolute Maximum Ratings Operating Free Air Temperature 0oC to +70oC Storage Temperature Range -65oC to +150oC Electrical Characteristics Symbol Parameter Conditions Min Typ Max Units Vf Forward Voltage Vcc=Min,Ii=-12mA   2.5 4.0 V Vr Reverse Voltage Vcc=Min,Ioh=MAX,Vil=MAX   5.0   V Hz Pulse Rate   2.0 2.4 2.8 Hz   Typical Viewing Angle     60   Degrees   Typical Luminous Intensity   20 50   MCD   Peak Wavelength     660   nm