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.
CBI 1.8mm Quad-Level Circuit Board Indicator – A Complete Technical Overview
The CBI 1.8mm Quad-Level Circuit Board Indicator represents one of the most compact and efficient LED indication solutions for designers who require multi-status visual feedback within limited PCB real estate. As electronic devices continue to shrink in size while increasing in functionality, demand for high-density indication components such as 1.8mm CBI LEDs has grown significantly. This quad-level configuration offers four vertically aligned LED indicators in a single modular housing, enabling clearer and more organized signal presentation compared to individual LEDs.
Built with a 1.8mm through-hole LED package and a precision-molded housing, the 1.8mm Quad-Level CBI ensures consistent alignment, improved visibility, and simplified assembly for a wide variety of control panels, testing equipment, and communication devices. With options for single-color, bi-color, tri-color, and even four-color configurations, engineers and product developers gain a versatile indicator solution that adapts to both consumer and industrial applications.
Key Features of the 1.8mm Quad-Level CBI
The quad-stacked 1.8mm CBI is designed to deliver reliable, clear, and long-lasting performance in multi-status monitoring systems. Its most defining features include:
1. Quad-Level Indicator Structure
The four-level arrangement allows four independent indicators to be stacked vertically in one compact module. This is ideal for applications requiring progressive signaling, such as level displays, power sequencing, or status tracking across multiple system states.
2. Compact 1.8mm LED Package for High-Density Applications
The slim, cylindrical 1.8mm LEDs mount closely together, making them suitable for hand-held instruments, portable electronics, densely packed control panels, and compact user-interface designs.
3. Precision Pre-Formed Leads
Each LED is preset with precisely formed through-hole leads that maintain consistent height and depth during PCB mounting. This eliminates manual lead bending, reduces manufacturing variation, and ensures perfect vertical alignment of all four layers.
4. High-Contrast Black Housing
The PA66 black housing absorbs ambient light and enhances LED visibility. This contrast improvement is especially important in brightly lit industrial environments, communication systems, and field equipment.
5. Multi-Color Options
To support dynamic indication needs, the 1.8mm Quad-Level CBI is available in:
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Single-color (red, green, yellow, blue, orange, white)
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Bi-color (red/green, red/yellow, green/yellow, blue/red)
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Tri-color
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Four-color variations for advanced signaling
Multi-color capability increases the unit’s flexibility for multi-state devices without increasing PCB footprint.
6. Robust, Long-Life LED Chips
The LEDs provide stable luminous output and long operating life, reducing the need for maintenance or replacement in mission-critical applications.
7. Industrial-Grade Housing Material
The housing is molded from UL 94V-0 rated PA66, offering:
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Flame retardance
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Excellent dimensional stability
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High temperature resistance
Its halogen-free and RoHS-compliant construction meets global safety and environmental standards.
Applications of the 1.8mm Quad-Level Circuit Board Indicator
Thanks to its compact size, robust construction, and multi-level functionality, the CBI 1.8mm Quad-Level indicator is widely used in:
Instrumentation & Control Panel Displays
The four stacked indicators are ideal for showing:
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Input/output status
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Power sequencing
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Alarm levels
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Fault detection
This is common in machinery controls, scientific instruments, and monitoring systems.
Communication, Testing & Diagnostic Equipment
Engineers rely on multi-level indicators during equipment diagnostics, bandwidth analysis, and signal testing. The quad structure helps visually separate hierarchical or sequential information.
Consumer Electronics Interfaces
Small electronic devices such as adapters, handheld tools, chargers, and smart appliances benefit from space-saving multi-state indicators.
Keypad & Switch Backlighting
The compact size allows the CBI to fit behind membrane switches or tactile buttons where vertically aligned illumination is required.
Compact Multi-Point Display Modules
Instead of four individual LEDs, the quad-level pack simplifies wiring, assembly, and layout while maintaining uniform appearance.
Industrial & Commercial Indicator Panels
Control cabinets and system monitoring panels take advantage of the clear visibility and robust housing.
Benefits of Using the 1.8mm Quad-Level CBI
1. Space Efficiency
Four indicators in one component dramatically reduce PCB footprint and routing complexity in compact products.
2. Faster Assembly & Improved Manufacturing Accuracy
Pre-formed leads and a rigid stacked housing ensure consistent LED alignment, eliminating manual adjustments and reducing production errors.
3. Enhanced Readability
The black housing increases visual contrast, allowing operators to identify LED states at a glance even under bright ambient lighting.
4. Flexibility Through Multi-Color Options
The availability of single-color and multiple dual-color/tri-color combinations makes it suitable for applications requiring multiple status levels without increasing component count.
5. High Reliability
Long-life LEDs, heat-resistant housing, and RoHS compliance contribute to durability and safety in demanding environments.
Case Study: Quad-Level Indicator in Industrial Power Modules
A manufacturer of industrial motor drivers integrated the 1.8mm Quad-Level CBI into its power sequencing module. Each of the four LED levels represented:
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Standby power
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Primary circuit enabled
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Load active
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Overload warning
By using a quad-level design:
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PCB space was reduced by 35%
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Assembly time was reduced by 25%
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Operators reported clearer at-a-glance status recognition
This resulted in improved operational safety and simplified maintenance.
User Testimonials
Product Engineer – Automation Industry
“The 1.8mm quad-level CBI gave us the compact solution we needed for our handheld analyzers. The alignment is perfect, and assembly is fast.”
Purchasing Manager – Consumer Electronics
“Multi-color options across four levels allowed us to redesign our indicator system without enlarging the housing. Reliability has been excellent.”
R&D Director – Communication Equipment
“The high-contrast black housing significantly improved visibility on our panels. A small component with a big impact.”
Conclusion
The CBI 1.8mm Quad-Level Circuit Board Indicator is a highly efficient solution for engineers designing compact, multi-status indication systems. Its stacked configuration, pre-formed leads, durable PA66 housing, and wide color availability make it an ideal choice for industrial, commercial, and consumer electronics applications. Whether used in control panels, communication systems, diagnostics equipment, or backlit interfaces, this quad-level indicator delivers performance, clarity, and long-term reliability.
If you’re seeking a high-density LED indicator solution with exceptional visibility and design flexibility, the 1.8mm Quad-Level CBI is a proven and dependable option.
