Datasheet Obtain 3D specification files
Initial Graphics Exchange Specification (.IGS)Standard 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 — Compact, Reliable, and Optimized for Modern Electronics
A circuit board indicator 3mm LED is one of the most widely used visual signaling components in electronic hardware today. Compact, efficient, and highly reliable, this LED type—also known as a 3mm CBI LED—is engineered for direct PCB mounting, delivering clear status indication in equipment where space, durability, and bright visibility are essential. Its slim round package allows seamless integration into control panels, communication devices, test instruments, consumer products, and industrial modules.
Whether the design requires single-color, bi-color, or multi-status indication, the circuit board indicator 3mm LED provides a dependable solution with excellent light uniformity and long operational life. Manufacturers rely on this LED format because it simplifies assembly, guarantees consistent alignment, and supports a wide range of viewing angles and lens options.
Key Features of the Circuit Board Indicator 3mm LED
1. Compact 3mm LED Package
The small round housing offers a low-profile, space-saving design ideal for dense PCB layouts. It maintains a clear and bright output even under strong ambient light environments.
2. Direct PCB Mounting (CBI Type)
As a true circuit board indicator, the 3mm LED comes with pre-formed leads that ensure:
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Easy insertion
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Perfect vertical alignment
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Uniform panel appearance across multiple LEDs
This reduces assembly time and increases production precision.
3. Multiple Color Options
Available in:
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Red
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Green
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Yellow
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Blue
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White
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Bi-color (Red/Green, Red/Yellow, Blue/Green, etc.)
Bi-color versions support two states within a single LED—ideal for modern multifunction equipment.
4. Durable Lens and Package Design
Lens types include:
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Diffused
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Transparent
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Water-clear
Each supports different visibility needs, from soft indication to high-brightness signaling.
5. Long Operating Life
The LED chip is designed for:
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Low power consumption
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High brightness stability
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Extended lifetime in continuous-use environments
6. High Reliability Materials
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UL 94V-0 rated housing
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RoHS-compliant components
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Halogen-free options
These ensure compliance in medical devices, industrial controllers, and commercial hardware.
Benefits of Using a 3mm CBI Circuit Board Indicator LED
✔ Compact But Powerful
Its small size fits even micro-format electronics while still offering excellent output visibility.
✔ Stable, Uniform Illumination
Ideal for panels where clarity and brightness uniformity are critical.
✔ Multiple Functional States
Bi-color and tri-color configurations expand the user interface possibilities without increasing PCB footprint.
✔ Easy Integration in Automated Production
Pre-formed, standardized leads ensure consistent orientation during automated wave or through-hole soldering.
✔ Improved Panel Aesthetics
Black housing versions deliver strong contrast, enhancing readability and professional appearance.
Applications of Circuit Board Indicator 3mm LED
With growing demand for compact electronics, this LED type plays essential roles in:
Industrial & Automation
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Control panels
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PLC systems
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Factory equipment indicators
Communication and Networking
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Routers, switches, telecom modules
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Network activity indicators
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Fiber equipment status lights
Consumer Electronics
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Home appliances
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Battery chargers
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Audio systems
Test & Measurement Instruments
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Multimeters
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Oscilloscopes
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Laboratory equipment
Gaming & Entertainment Devices
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Game machine front panels
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Token counters
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Arcade indicator modules
Transportation & Vehicle Electronics
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Dashboard indicators
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Sensor modules
Medical & Laboratory Devices
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Diagnostic machines
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Monitoring equipment
Case Study: Upgrading Panel Efficiency with 3mm CBI LEDs
A manufacturer of compact diagnostic instruments required:
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Smaller indicator windows
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Higher brightness under daylight
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Faster assembly time
Switching to 3mm CBI circuit board indicators offered:
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25% reduction in PCB space
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Better visual signal clarity
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Faster insertion and alignment during production
The result: improved reliability and lower manufacturing cost.
User Testimonials
✔ Electronics Engineer, Industrial Controls
„The 3mm CBI LED fits perfectly into our high-density panels. Alignment is always consistent, and visibility is excellent even when viewed from an angle.“
✔ Product Designer, Consumer Electronics
„We rely on these LEDs because of their durability and range of color options. They make our status indicators intuitive and professional.“
✔ PCB Assembly Supervisor
„Pre-formed leads save us significant time. No need for manual adjustment—the LEDs always sit straight in the panel.“
Conclusion
The circuit board indicator 3mm LED remains a top choice for engineers seeking compact, durable, and visually clear status indicators across a wide range of electronic systems. Its versatility, reliability, and performance make it indispensable in modern hardware design. If your next project demands strong visibility, long life, and PCB-friendly assembly, the 3mm CBI LED is the ideal solution.
