A Light Emitting Diode (LED) is a semiconductor light source that emits light when current flows through it. LEDs are energy-efficient, long-lasting, and available in various colors, making them ideal for indicators and displays.
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Anode (+) | Positive lead (longer leg), connects to power through a current-limiting resistor |
Cathode (-) | Negative lead (shorter leg), connects to ground |
Forward Voltage | 1.8V - 3.3V (color dependent) |
Forward Current | 20mA (typical) |
Viewing Angle | 30° - 120° |
Colors Available | Red, Green, Blue, Yellow, White, etc. |
Luminous Intensity | 150-200 mcd (typical) |
Operating Temperature | -25°C to +85°C |
Lifespan | 50,000+ hours |
Response Time | <1 microsecond |