The Blue LED is a semiconductor light source that emits blue light when current flows through it. Compared to red LEDs, it requires a higher forward voltage, making it slightly different in circuit design.
It is widely used in electronics projects, status indicators, decorative lighting, and display systems. Like all LEDs, it must be used with a current-limiting resistor to prevent damage.
Key Features
Emits bright blue light
High visibility and modern appearance
Low power consumption
Long operational life
Fast response time
Easy to integrate into circuits
Technical Specifications
Parameter
Value
Type
LED (Light Emitting Diode)
Color
Blue
Diameter
5 mm
Forward Voltage
2.8V – 3.3V
Forward Current
10–20 mA
Pin Configuration
Pin
Description
Anode (+)
Long leg
Cathode (-)
Short leg
What’s in the Box
1 × Blue LED (5mm)
Ideal For
Indicator lights
Arduino and embedded projects
Decorative lighting
DIY electronics
Status displays 🔧
Weight
0.001 kg
Dimensions
2.5 × 0.5 × 0.5 cm
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