circuit board indicator 3mm LED

circuit board indicator 3mm LED

  • Long life time
  • Customization options are available.
  • RoHs compliance
  • Electrostatic Sensitive Devices
Cikkszám: bl-la01z0704
Datasheet: downloadDatasheet Kategória: Címke:

Obtain 3D specification files


downloadInitial Graphics Exchange Specification (.IGS)
downloadStandard for the Exchange of Product Model Data (.STEP)

To examine all 3D specifications, save the files to your local drive and open them with your 3D application.
Lens colors in 3D files are solely for visual representation; consult the Datasheet for accurate lens type and color information.
In the event of a mismatch, the dimensions in the datasheet take precedence over the 3D specifications.

circuit board indicator 3mm LED

“Precision Illumination: The 3mm Circuit Board Indicator LED for Modern Electronics”


Introduction

In the fast-evolving world of electronic design, visibility and efficiency play a critical role in diagnostics and control systems. The circuit board indicator 3mm LED stands as a compact yet highly functional component that enhances system feedback and reliability. Commonly referred to as a CBI LED, this indicator provides engineers with a precise and efficient way to monitor device status through visual signals.

Designed for printed circuit boards (PCBs), the circuit board indicator combines durability, brightness, and a small form factor. It’s a cornerstone of advanced circuit monitoring, widely used in automation, communication systems, instrumentation, and consumer electronics. Whether in complex industrial equipment or compact consumer devices, its bright illumination and long operational life make it indispensable for modern engineering applications.


Features of the 3mm Circuit Board Indicator LED

The 3mm circuit board indicator offers a versatile and performance-driven solution to visual signaling needs. Below are the primary technical and design features that make it ideal for demanding electronic environments:

  1. Compact 3mm Design:
    The small diameter makes it suitable for dense circuit layouts, saving valuable board space while providing clear illumination.

  2. High Luminous Intensity:
    The CBI LED produces bright, focused light, ensuring visibility even under bright ambient lighting conditions.

  3. Multiple Color Options:
    Available in red, green, yellow, blue, and bi-color versions, allowing designers to create distinct status indications for power, signal, or warnings.

  4. Low Power Consumption:
    Optimized for efficiency, this LED draws minimal current, making it ideal for battery-powered and low-energy devices.

  5. Long Operational Life:
    With a typical lifespan exceeding 50,000 hours, it provides years of dependable service without requiring frequent replacements.

  6. Robust and Reliable Construction:
    Built with epoxy resin encapsulation, the LED resists vibration, moisture, and heat—making it suitable for industrial applications.

  7. Wide Viewing Angle:
    Provides excellent visibility from different perspectives, ensuring clarity on control panels and operator interfaces.

  8. Through-Hole Mounting Compatibility:
    The LED easily integrates into standard PCBs, simplifying production processes and maintenance.


Applications of the Circuit Board Indicator

The 3mm circuit board indicator is widely used across various industries and products where visual communication of system status is vital.

1. Industrial Control Panels

In automated systems, the circuit indicator displays power states, fault warnings, and operating conditions. It helps technicians monitor multiple systems at a glance, improving efficiency and reducing downtime.

2. Network and Communication Devices

Routers, modems, and signal processors rely on CBI LEDs to indicate connectivity status, data transfer activity, and system health.

3. Audio and Sound Systems

Used in equalizers, amplifiers, and audio mixers, these LEDs form part of LED Arrays to display sound intensity and signal peaks.

4. Medical and Laboratory Instruments

In precision equipment such as analyzers and diagnostic devices, circuit board indicators provide critical feedback for operational safety and monitoring.

5. Automotive and Transportation Systems

Dashboard modules, control consoles, and vehicle diagnostic units use CBI LEDs for efficient, long-lasting signaling under varying environmental conditions.

6. Consumer Electronics

Smart home systems, power adapters, and small appliances incorporate LED Arrays for status indication, making interfaces intuitive and user-friendly.


Benefits of the 3mm Circuit Board Indicator

The circuit board indicator 3mm LED offers a combination of technical and practical advantages that make it the preferred choice among engineers and manufacturers:

  • Compact Size, Big Impact:
    Despite its small footprint, it provides powerful illumination and high contrast for precise status indication.

  • Improved Visual Communication:
    Clear and immediate feedback helps users identify operational states or faults instantly.

  • Low Energy Usage:
    Energy-efficient design supports green manufacturing and extends battery life in portable devices.

  • Durable and Reliable:
    Resistant to mechanical shock, heat, and vibration, the CBI LED ensures performance stability over time.

  • Simplified Assembly:
    Compatible with standard through-hole soldering and automated manufacturing processes.

  • Design Flexibility:
    Can be used individually or as part of multi-light LED Array assemblies for scalable display functions.

  • Enhanced Product Aesthetics:
    Sleek design contributes to the clean and professional look of finished electronic products.


Case Studies

Case Study 1 – Control Panel Manufacturer (USA)

A U.S.-based automation company integrated 3mm circuit board indicators into their modular control panels. The result was a 30% reduction in wiring complexity and enhanced clarity for operators managing multi-system controls. The indicators performed reliably under long operational cycles and high temperatures.

Case Study 2 – Telecommunications Equipment (Germany)

A European telecom manufacturer adopted CBI LEDs for visual signal feedback in compact routers. The improved luminosity and reduced energy consumption enhanced device reliability, while engineers noted easier troubleshooting due to distinct multi-color indicators.

Case Study 3 – Audio Mixer Design (Japan)

An audio equipment company utilized LED Arrays of 3mm indicators for real-time signal metering. The result was better accuracy in sound level monitoring and a modernized display that resonated with professional users.


User Testimonials

James P., Electronics Engineer (UK):
„We rely on 3mm CBI LEDs for all our industrial boards. Their brightness and durability make them ideal for continuous operation in control systems.”

Anita R., Product Designer (India):
„The compact circuit board indicator helped us reduce PCB clutter while maintaining bright, visible feedback for device users.”

Carlos D., Audio System Developer (Spain):
„Using LED Arrays with 3mm indicators transformed our mixer’s visual design — crisp, reliable, and energy-efficient.”


Integration and Design Tips

To maximize performance when designing with circuit board indicators, engineers should follow these integration best practices:

  • Maintain Proper Current Limiting:
    Always use resistors or constant current drivers to prevent overdriving the LED.

  • Optimize Thermal Management:
    Ensure adequate spacing and ventilation to avoid heat buildup in dense LED Array configurations.

  • Color Coding for Efficiency:
    Assign specific colors for each operational state — such as red for errors, green for normal, and yellow for standby.

  • Alignment and Aesthetics:
    Use alignment jigs during assembly to maintain visual consistency in multi-LED layouts.

  • Polarity Check:
    Double-check LED polarity before soldering to avoid installation errors.

By following these practices, designers can extend component life, improve visual clarity, and enhance end-user experience.


Conclusion

The 3mm Circuit Board Indicator LED is an essential element of modern electronics, merging precision illumination with compact, efficient design. As a CBI LED, it supports multi-level indication in small spaces, offering unparalleled reliability across industries — from industrial control systems to high-end consumer electronics.

Its versatility allows it to function as a standalone circuit indicator or within sophisticated LED Arrays, delivering consistent performance and intuitive feedback. For engineers and manufacturers aiming for quality, efficiency, and long-term durability, this LED provides the ideal balance between form and function.

Integrate the 3mm circuit board indicator into your designs to achieve high-performance illumination and professional-grade visual communication.

8mm Bi-color LED diode, 3 pin

Electrical-optical characteristics:
Filters Sort results
Reset Apply
More information, Contact us at sales@betlux.com
Need help?
Tömeg 0.7 g
Méretek 7.9 × 9.15 × 11 mm
Scroll to Top