Generic 5mm Blue LED | High Brightness | Low Power Consumption

2.005.00 (price_including_tax) (-60%)

In stock

Ignite your projects with vibrant blue light. This essential component transforms electrical energy into crisp visual indicators and aesthetic accents. Count on its robust construction for reliable performance in every circuit.

Compact 5mm blue LED delivers bright, energy-efficient illumination for diverse electronic projects.

Clear Visual Indicator

Provides essential status feedback and vibrant aesthetic illumination for your electronic projects.

Robust & Reliable

Durable 5mm epoxy package ensures long-term performance and resilience in demanding applications.

Versatile Application

Ideal for prototyping, educational kits, and permanent installations requiring efficient blue light.

The Engineering Behind LED-5MM-BLUE

The 5mm Blue LED (Light Emitting Diode) is a fundamental semiconductor device that converts electrical energy directly into light through the principle of electroluminescence. When a sufficient forward voltage is applied across its p-n junction, electrons recombine with holes, releasing energy in the form of photons. This specific LED is engineered to emit light in the blue spectrum, making it ideal for a wide array of visual signaling, status indication, and aesthetic lighting applications in electronics.

Designed with a standard 5mm diameter through-hole package, this LED offers universal compatibility with breadboards, perfboards, and custom Printed Circuit Boards (PCBs). Its epoxy resin lens provides both protection for the internal semiconductor chip and acts as an optical disperser, shaping the light output. These components are rigorously tested for consistent performance and durability, ensuring a long operational lifespan even in continuous use for educational, hobbyist, and professional prototyping environments.

Efficient Electroluminescence

At its core, the 5mm Blue LED utilizes a semiconductor material, typically Gallium Nitride (GaN), to achieve high luminous efficiency. This engineering choice allows the diode to produce a noticeable intensity of blue light while consuming minimal electrical current, typically around 20mA. This makes it an incredibly energy-efficient component for battery-powered projects, microcontroller interfaces, or any application where power conservation is critical, reducing overall system power draw and heat generation.

Standardized 5mm Package

The ubiquity of the 5mm through-hole package is a cornerstone of its design. This standardized form factor, featuring two leads (anode and cathode), simplifies integration into virtually any electronic circuit. The defined lead spacing and robust construction facilitate easy manual insertion into prototyping boards and ensure secure soldering onto PCBs. This design philosophy prioritizes ease of use and broad applicability, making it an indispensable component for students and experienced engineers alike.

Optimized for Performance & Integration

  • Color: Blue
  • Package Type: T-1 3/4 (5mm Through-Hole)
  • Forward Voltage (Vf): 3.0-3.4V (Typical)
  • Forward Current (If): 20mA (Max Recommended)
  • Peak Wavelength: 460-470nm
  • Luminous Intensity: 3000-5000 mcd (Typical)
  • Viewing Angle: 20-30 Degrees

Features & Benefits

  • Vibrant Blue Output: Provides clear visual indication and striking aesthetic appeal for various projects.
  • Energy Efficient Design: Operates on low current, minimizing power consumption and extending battery life in portable applications.
  • Standard 5mm Package: Ensures universal compatibility and easy integration with breadboards, protoboards, and custom PCBs.
  • Long Lifespan: Offers extended operational reliability, reducing the need for frequent replacements in your circuits.
  • High Luminous Intensity: Delivers bright and easily visible light output, even in ambient lighting conditions.
  • Robust Epoxy Lens: Protects the delicate semiconductor junction, enhancing durability and mechanical resilience.

Pro-Grade Advantages

  • Low power consumption, extending battery life and reducing energy costs.
  • High luminous efficiency provides bright, visible light output.
  • Exceptional lifespan, offering tens of thousands of hours of operation.
  • Compact 5mm package is easy to integrate into existing designs.

Technical Considerations

  • Requires a current-limiting resistor to prevent damage from overcurrent.
  • Unidirectional light emission, requiring careful positioning for optimal viewing.
What is the typical operating voltage for a 5mm Blue LED?

The typical forward operating voltage (Vf) for a 5mm Blue LED ranges from 3.0V to 3.4V. Exceeding this can damage the diode, so a current-limiting resistor is crucial.

What is the recommended forward current for optimal brightness?

For most standard 5mm Blue LEDs, a forward current (If) of 20mA is recommended for optimal brightness and longevity. Currents below this will result in dimmer light, while higher currents can shorten its lifespan.

How do I safely connect a 5mm Blue LED in a circuit?

To safely connect an LED, you must use a current-limiting resistor in series with the LED. The resistor value can be calculated using Ohm’s Law: R = (Vs – Vf) / If, where Vs is the supply voltage, Vf is the LED’s forward voltage, and If is the desired forward current.

What is the purpose of the long and short leads on the LED?

The longer lead is the anode (+), which connects to the positive side of your power supply (after the resistor). The shorter lead is the cathode (-), which connects to the negative or ground side of your power supply. This polarity is critical for the LED to function.

Can this 5mm Blue LED be used with a microcontroller like Arduino?

Yes, this LED is perfectly suitable for use with microcontrollers like Arduino. Simply connect the LED to a digital output pin via a current-limiting resistor, and control it by setting the pin HIGH or LOW.

Specification Value
Color Blue
Lens Color Clear/Diffused (Varies)
Forward Voltage (Vf) 3.0V – 3.4V
Forward Current (If) 20mA
Peak Wavelength 460nm – 470nm
Luminous Intensity 3000-5000 mcd
Viewing Angle 20-30 Degrees
Package Type T-1 3/4 (5mm)
Lead Spacing 2.54mm
Operating Temperature -40°C to +85°C

Additional information

Technology

LED

Operating Voltage

3.0-3.4V

Max Current

20mA

Value

Blue

Package

Through-hole 5mm

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