Product Series information
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 Series No:bl-la4d2-t0607 Dimension 7.9 × 9.15 × 11 mm Description: ___________________________________________________________________________________________________________________________________________________ 1.8mm Quad-Level Circuit Board Indicator (CBI) – Compact, High-Density LED Solution for Multi-Status DisplaysThe 1.8mm LED CBI, Quad Level indicator is engineered for applications where compact size, precise alignment, and multi-status signaling are essential. As modern electronics continue to demand slimmer, smarter, and more space-efficient visual indicators, the quad-level circuit board indicator has become an indispensable component for manufacturers and engineers worldwide. Featuring a 1.8mm ultra-slim LED package, four vertically stacked indicator levels, and a robust PA66 housing, this module delivers exceptional reliability and clarity even in high-density panel environments. In the world of compact electronic system design, the need for clear, vertically aligned status indication is growing. The 1.8mm LED CBI meets this need with engineered precision, offering a top-view configuration and 10×7×7mm housing that optimizes PCB space while maintaining excellent optical output. Whether used in instrumentation, communication hardware, handheld devices, or industrial controls, its multi-level indicator design enhances user interfaces with meaningful visual feedback. Key Features of the 1.8mm Quad-Level Circuit Board Indicator1. Compact 10×7×7mm Top-View DesignDesigned specifically for modern compact electronics, the 1.8mm CBI features a small footprint that fits easily into dense layouts. The quad-level configuration allows four stacked indicators in the vertical direction, significantly reducing board space compared to using separate LEDs. 2. Slim 1.8mm LED for High-Density ApplicationsThe ultra-slim 1.8mm LED package is perfect for devices requiring small, precise light points such as portable equipment, testing devices, and miniature control panels. Despite its small size, it provides strong illumination and excellent uniformity. 3. Pre-Formed Leads for Accurate PCB AlignmentEach level of the quad-indicator features pre-formed leads, ensuring perfect alignment and easy installation. Engineers gain consistent positioning and reduced assembly error while improving production efficiency. 4. High-Contrast Black HousingThe PA66 black housing enhances contrast and makes each indicator level vivid and easy to read. This is especially beneficial in bright environments or under backlighting conditions where clarity is essential. 5. Long-Life LED Chip TechnologyBuilt with high-stability LED chips, the quad-level module ensures long service life, consistent luminous output, and dependable performance even in continuous-use applications. 6. Industrial-Grade Material and Safety Ratings
These qualities ensure safe integration into consumer, commercial, and industrial equipment worldwide. Applications of the 1.8mm Quad-Level CBI LED IndicatorThanks to its compact design, quad positioning, and high visibility, this 1.8mm indicator is ideal for: • Multi-Step Status IndicationFour independent LED levels allow intuitive step or stage indication such as:
• Dense Instrumentation and Control PanelsThe slim LED structure fits easily into:
• Communication and Testing EquipmentThe quad-view indicator is perfect for real-time diagnostics, signal states, and device alerts in:
• Compact Display ModulesIdeal for:
• Consumer and Industrial Electronic IndicatorsUsed widely in:
Benefits of Using the 1.8mm Quad-Level Circuit Board Indicator1. Space-Saving Vertical StackingThe quad-level design reduces the number of PCB footprints required for multi-status displays by 75% compared to using four individual LEDs. 2. Enhanced ReadabilityThe black housing enhances LED visibility, improving user interpretation and response time. 3. Long-Term ReliabilityStable LED chips and robust housing materials ensure long operational life with minimal maintenance. 4. Flexible IntegrationSuitable for through-hole mounting, compatible with automated insertion processes, and easy to design into various board layouts. 5. Multi-Color OptionsAvailable in:
This makes it adaptable for complex signaling systems.  Case Study: Instrumentation Panel UpgradeA testing equipment manufacturer upgraded from single-level LEDs to the 1.8mm Quad-Level CBI to solve limited display space in handheld instruments.
The upgrade also lowered manufacturing costs due to simplified PCB routing and assembly. User TestimonialsElectronics Engineer – UK"The 1.8mm quad-level indicator helped us redesign a control module with much higher status visibility, without increasing enclosure size. Perfect alignment and durability." Purchasing Manager – USA"Reliable supply, excellent quality, and consistent LED output. The quad-stack design saves space and simplifies our panel designs significantly." Product Designer – Germany"We use this component in compact portable devices. The small footprint and sharp contrast make it ideal for modern UI lighting." ConclusionThe 1.8mm Quad-Level Circuit Board Indicator is a powerful, compact lighting component engineered for today’s demanding electronic designs. With its vertical stack design, high visibility, long-life LEDs, and wide application coverage, it enhances any project requiring dense, multi-status visual feedback. Whether used in industrial equipment, communication modules, measurement devices, or consumer electronics, this CBI solution provides unmatched efficiency and clarity. Upgrade your device interface with a modern, space-optimized quad-level indicator—engineered for performance, reliability, and design flexibility. ___________________________________________________________________________________________________________________________________________________ Dimension and Circuit Drawing:  |
Related Article List
Related Information
Soldering
When soldering, leave a minimum of 2mm clearance from the base of the base of the lens to the soldering point. Dipping the lens into the solder must be avoided.
Do not apply any external stress to the lead frame during soldering while the LED is at high temperature.
Recommended soldering conditions:
| IR Reflow Soldering (for SMD display) | Wave Soldering | Soldering Iron | |||
| Pre-Heat | 150-180°C | Pre-Heat | 100°C Max. | Temperature | 300°C Max. |
| Pre-Heat Time | 120sec Max. | Pre-Heat Time | 60sec Max. | ||
| Peak Temperature | 260°C Max. | SolderWave | 260°C Max. | Soldering Time | 3sec Max.(one time only) |
| Soldering Time | 10 sec Max. | Soldering Time | 5sec Max. | ||
Note: Excessive soldering temperature and/or time might result in deformation of the LED lens or failure of the LED
ESD(Electrostatic Discharge)
Static Electricity or power surge will damage the LED.
Suggestions to prevent ESD (Electrostatic Discharge):
n Use a conductive wrist band or anti-electrostatic glove when handling these LEDs
n All devices, equipment, and machinery must be properly grounded
n Work tables, storage racks, etc. should be properly grounded
n Use ion blower to neutralize the static charge which might have built up on surface of the LED’s
plastic lens as a result of friction between LEDs during storage and handling
ESD-damaged LEDs will exhibit abnormal characteristics such as high reverse leakage current,
low forward voltage, or “no light on” at low currents. To verify for ESD damage, check for “light on”
and Vf of the suspect LEDs at low currents.
The Vf of “good” LEDs should be>2.0V@0.1mA for InGaN product and >1.4V@0.1mA for AlInGaP
product.
When selecting power for LED systems, it’s essential to understand several key parameters to ensure safe operation, longevity, and optimal performance. Here are some steps and considerations for LED power selection:
- Determine the Forward Voltage (Vf) of the LED(s):
Each LED has a forward voltage, which is the voltage at which the LED operates when the current is flowing through it. This value can typically be found in the LED’s datasheet.
- Determine the Forward Current (If) of the LED(s):
The forward current is the current at which the LED is designed to operate. Running an LED at higher than its rated current can reduce its lifespan and increase the heat it produces.
- Decide on the Configuration:
Series Configuration: When LEDs are connected in series, the forward voltages add up, but the current remains the same.
Parallel Configuration: When LEDs are connected in parallel, the forward voltage remains the same, but the currents add up. This configuration can be risky because if one LED fails or has a slightly lower forward voltage, it can cause the other LEDs to draw more current.
Calculate Total Power Requirements:
Power (W) = Total Forward Voltage (V) x Total Forward Current (A)
For example, if you have three LEDs connected in series, each with a forward voltage of 3V and a forward current of 20mA, the total power requirement would be:
Power = (3V + 3V + 3V) x 20mA = 9V x 0.02A = 0.18W
- Select an Appropriate Power Supply:
- Voltage Rating: The power supply voltage should match or slightly exceed the total forward voltage of your LED configuration.
- Current Rating: The power supply’s current rating should meet or exceed the total forward current of your LED configuration.
- Safety Margin: It’s a good practice to select a power supply that can provide at least 20% more power than your calculated requirement. This ensures the power supply isn’t operating at its maximum capacity, which can extend its life and ensure safer operation.
- Consider Additional Features:
- Dimming Capability: If you want to control the brightness of your LEDs, choose a power supply with dimming capabilities.
- Overcurrent and Overvoltage Protection: To protect your LEDs, select a power supply with built-in protection mechanisms.
- Thermal Management: Ensure that the power supply has adequate cooling, especially if it will be enclosed or in a location with limited airflow.
- Regulation and Efficiency:A power supply with good regulation will maintain a consistent voltage output despite variations in the load. High efficiency ensures minimal power is wasted as heat.
- Physical Size and Form Factor:Depending on where you plan to place the power supply, its size and shape may be critical factors.
In summary, when selecting power for LED systems, understanding your LED’s requirements and the configuration you plan to use is essential. Then, pick a power supply that meets those needs with some added safety margin, keeping in mind any additional features or constraints relevant to your project.
Here are some well-regarded brands in the industry:
- Mean Well: One of the most recognized brands in the LED power supply industry, Mean Well offers a wide range of products suitable for both indoor and outdoor applications. Their units often come with features like overcurrent protection, dimming capabilities, and high efficiency.
- Tridonic: A global leader in lighting technology, Tridonic offers LED drivers and power supplies that cater to various lighting solutions, from simple setups to advanced smart lighting systems.
- Philips Advance Xitanium: Philips is a well-known brand in the lighting industry, and their Xitanium series of LED drivers are known for reliability and performance. They cater to both indoor and outdoor LED applications.
- Osram: Another giant in the lighting industry, Osram offers a range of LED drivers and power supplies suitable for various applications, including architectural and street lighting.
- LIFUD: Specializing in LED drivers, LIFUD is known for its high-quality products that cater to both commercial and residential LED lighting solutions.
- MOSO: This brand offers a variety of LED drivers, especially for outdoor and industrial applications. Their products are known for durability and performance.
- TDK-Lambda: With a history in power electronics, TDK-Lambda offers a range of power supplies and LED drivers suitable for various applications, emphasizing reliability and advanced features.
