3mm LED

3mm LED (Light Emitting Diode) is a compact, energy-efficient, and highly reliable electronic component widely used for indication, display, signaling, and decorative lighting applications. With its small 3mm diameter package, this LED is ideal for designs where space is limited but visibility and performance are critical. It is a preferred choice for engineers, students, hobbyists, and manufacturers across electronics, automation, and embedded systems.

Designed for long operational life and low power consumption, the 3mm LED delivers consistent brightness with minimal heat generation. It is available in multiple colors such as Red, Green, Blue, Yellow, White, and Orange, making it suitable for a wide range of functional and aesthetic applications. Whether used on control panels, development boards, or DIY electronics projects, this LED ensures dependable illumination and clear visual indication.

Key Features of 3mm LED

• Compact 3mm Package
  Small form factor allows easy integration into dense PCB layouts and miniature electronic devices.

• High Brightness Output
  Provides clear and visible illumination even at low current levels.

• Low Power Consumption
  Operates efficiently with minimal current, making it suitable for battery-powered applications.

• Long Operating Life
  Designed for extended usage with an average lifespan of up to 50,000 hours.

• Wide Color Options
  Available in multiple colors for indication, display, and decorative purposes.

• Fast Switching Speed
  Ideal for signaling, status indicators, and digital display applications.

• Environmentally Friendly
  Contains no mercury and produces low heat compared to traditional light sources.

Technical Specifications – 3mm LED

• LED Type: Through-Hole LED

• Package Size: 3mm (T-1)

• Lens Type: Clear / Diffused (varies by model)

• Available Colors: Red, Green, Blue, Yellow, White, Orange

• Forward Voltage (Typical):

  • Red / Yellow / Orange: 1.8V – 2.2V

  • Green: 2.0V – 3.2V

  • Blue / White: 3.0V – 3.4V

• Forward Current: 10–20 mA

• Luminous Intensity: 100 – 3000 mcd (color dependent)

• Viewing Angle: 20° – 40°

• Operating Temperature: –25°C to +85°C

• Polarity: Long lead – Anode (+), Short lead – Cathode (–)

• Mounting Type: PCB Through-Hole

Specifications may vary slightly depending on color and manufacturer.

Applications of 3mm LED

The 3mm LED is widely used across industries due to its versatility, durability, and ease of use. Common applications include:

✔ Indicator & Status Lighting

Used as power indicators, fault indicators, and status LEDs in electronic devices, power supplies, and control panels.

✔ Embedded Systems & Development Boards

Commonly integrated into microcontroller projects such as Arduino, Raspberry Pi, and ARM-based systems for debugging and visual feedback.

✔ Consumer Electronics

Found in appliances, chargers, audio equipment, and remote controls for functional indication.

✔ DIY Electronics & Hobby Projects

Ideal for students, makers, and hobbyists working on prototypes, learning electronics, or building custom circuits.

✔ Industrial Control Panels

Used in automation systems, machine panels, and instrumentation to indicate system status and alerts.

✔ Decorative & Display Lighting

Suitable for small decorative lighting projects, model making, toys, and miniature displays.

Why Choose 3mm LED?

The 3mm LED offers an excellent combination of compact size, low power consumption, and high visibility, making it a reliable choice for both professional and hobbyist applications. Its standardized through-hole design allows for easy soldering and replacement, while its long lifespan ensures minimal maintenance.

Compared to larger LEDs, the 3mm LED is ideal when space efficiency and neat PCB layout are essential. Its compatibility with standard resistors and microcontroller I/O pins further simplifies circuit design and integration.

Ideal for Education, Prototyping & Production

Whether you are designing a commercial product, teaching electronics in a lab, or building a DIY project at home, the 3mm LED is a cost-effective and dependable solution. Its wide availability, multiple color options, and proven reliability make it a staple component in electronics toolkits worldwide.

Choose the 3mm LED for clear indication, long life, and energy-efficient performance in all your electronic projects.

Package Includes:

1 x 3mm LED (Red | Green | Yellow | Orange | White | White Blue | White Red | White Green)

FAQ

1. Where can we buy this 3mm LED?

This product is available online https://aiiottech.in/product/3mm-led/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103

2. When can I get this 3mm LED after placing the order?

RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.

Video Link: 3mm LED