LED light bar(circle | 1 bar | 18.00mm) | Hi Red

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Product Series
LED light bar
Series No:BL-AC1Z18x4
Specification Download:
18 × 18 × 11 mm
The Evolution of Lighting: The 18mm LED Light Bar Unveiled In the ever-progressing world of electronics, the 18mm LED light bar stands as a testament to innovation and efficiency. Designed to meet the rigorous demands of electronics manufacturer engineers, purchasers, and administrators, this round led bargraph is more than just a lighting solution—it's a pivotal component in the development of modern electronics. This comprehensive exploration into the 18mm LED light bar, including its features, applications, benefits, supplemented by case studies and user testimonials, aims to provide a professional, in-depth understanding of its impact and versatility in the electronics industry. Brightening the Future: Key Features of the 18mm LED Light Bar The 18mm LED light bar, also known as a circular LED bar graph, is celebrated for its compactness, efficiency, and brightness. This lighting solution offers unparalleled clarity and longevity, making it an ideal choice for a wide range of applications. Its round design allows for a unique aesthetic that is both functional and visually appealing, offering a modern twist to traditional lighting systems. Illuminating Applications: Where the Circular LED Bar Graph Shines From industrial machinery to consumer electronics, the 18mm LED light bar illuminates the path to innovation. Its applications include, but are not limited to:
  • Dashboard Indicators: Providing clear, visible alerts and status updates.
  • Decorative Lighting: Enhancing aesthetics with ambient lighting.
  • Signage and Displays: Offering vibrant, eye-catching messages and information.
A Beacon of Benefits: Why the Circular LED Bar Graph Stands Out The adoption of the 18mm LED light bar in electronic designs brings forth numerous advantages:
  • Energy Efficiency: Drastically reduces power consumption.
  • Durability: Offers a long lifespan, resisting wear and tear.
  • Versatility: Fits a myriad of design specifications and applications.
Shining Success: Case Studies and Testimonials Real-world implementations of the 18mm LED light bar showcase its transformative potential. One notable case study involves its integration into emergency vehicle lighting, where its brightness and durability have significantly improved operational efficiency and safety. User testimonials further affirm the positive impact, with one electronics engineer highlighting its seamless integration into their project, leading to reduced costs and enhanced performance. Conclusion: The Luminary of Electronic Lighting Solutions The 18mm LED light bar, with its robust features and versatile applications, is a shining example of how innovative lighting solutions can enhance and transform electronic designs. As we delve into the benefits and real-world success stories, it becomes evident that this circular LED bar graph is not just a component but a cornerstone of modern electronics. For engineers, purchasers, and administrators looking to illuminate their projects with efficiency, durability, and style, the 18mm LED light bar offers a bright solution. Call to Action: Embrace the future of lighting in your electronic projects with the 18mm LED light bar. Experience the blend of aesthetics, performance, and efficiency today.
LED light bar(circle ,1 bar,18.00mm)
LED light bar(circle ,1 bar,18.00mm)
LED light bar(circle,18.00mm) Lightbar LED


  • Display Area Shape: Circle, offering an aesthetically appealing and distinct area for illumination.
  • Display Area Number: Features a single display area.
  • Outer Diameter: 18.00mm, providing a balance between compactness and visibility.
  • Inner Diameter: 15.00mm, ensuring a clearly defined light-emitting area.
  • Uniform Light Emitting Area: Guarantees consistent and even lighting across the display.
  • Low Current Operation: Energy-efficient, which helps in reducing power consumption.
  • Wide Viewing Angle: Enables the display to be easily visible from different perspectives.
  • Easily Mounted on P.C. Boards: Simplifies integration into electronic systems.
  • Flush Mountable: Can be installed to align with the surface, offering a clean and integrated look.
  • Excellent On/Off Contrast: Enhances visibility and readability, crucial for circular displays.
  • Can be Used with Panels and Legend Mounts: Versatile in terms of installation, suitable for a variety of panel types.
  • Categorized for Luminous Intensity: Ensures uniform brightness across different units.
  • Different Colors in One Unit Available: Allows for color customization, enhancing the versatility of the display.
  • Standard: Black Face, White Segment: Classic and easily readable appearance.
  • RoHS Compliance: Adheres to environmental and safety standards.


  • Indicator Lights: Perfect for applications that require clear circular indicator lights in electronics, machinery, or equipment.
  • Control Panels: Ideal for use in control panels where a round indicator is necessary.
  • Signal Lights: Suitable for settings where a circular signal light is needed to indicate status or conditions.
  • Instrumentation Displays: Applicable for displaying status or readings in instruments where a round display is preferred.
  • Consumer Electronics: Can be integrated into various consumer electronics for display or indication purposes.
  • Safety and Emergency Equipment: Appropriate for safety devices that require a clear, round indicator light.
  • Decorative Lighting: Effective in aesthetic applications requiring a circular light source.
  • Wearable Technology: Suitable for incorporation into wearable devices due to its appealing size and shape.
Dimension and Circuit Drawing:
Related Information


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 SolderingSoldering Iron
Pre-Heat150-180°CPre-Heat100°C Max.Temperature300°C Max.
Pre-Heat Time120sec Max.Pre-Heat Time60sec Max.
Peak Temperature260°C Max.SolderWave260°C Max.Soldering Time3sec Max.(one time only)
Soldering Time10 sec Max.Soldering Time5sec 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


antistatic notice-smd led

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.
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