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LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

Category Introduction

Products within this family are Light Emitting Diode (LED) devices that are mechanically packaged for convenient use as visual indicators in various formats, ranging from single LEDs that are commonly used for indicating the power-on status of a device, to multi-segment devices used to create simple bar graph displays that are useful for communicating information such as the level of fluid remaining in a tank, or amount of charge remaining in a battery.

Product List

8575 Items
PDF Mfr Part # Quantity
Available		 UnitPrice RFQ Series Packaging Product StatusColorWavelength - PeakConfigurationCurrentMillicandela RatingViewing AngleLens TypeLens StyleLens SizeVoltage RatingMounting Type
SSF-LXH305ID-TR
SSF-LXH305ID-TR
LED 3MM RA RED DIFFUSED SMD
Lumex Opto/Components Inc.
 424 $1.32
Tape & Reel (TR) ActiveRed635nmSingle20mA40mcd60°Diffused, TintedRound with Domed Top3mm, T-12VSurface Mount, Right Angle
SSF-LXH305SRD-TR
SSF-LXH305SRD-TR
LED 3MM RA SUPER RED DIFF SMD
Lumex Opto/Components Inc.
 439 $1.57
Tape & Reel (TR) ActiveRed660nmSingle20mA80mcd60°Diffused, TintedRound with Domed Top3mm, T-11.7VSurface Mount, Right Angle
WP934CB/GD
WP934CB/GD
LED IND 3MM RA 565NM GREEN DIFF
Kingbright
 58 $0.57
Bulk ActiveGreen565nmSingle20mA22.5mcd40°Diffused, TintedRound with Domed Top3mm, T-12.2VThrough Hole, Right Angle
SSF-LXH303GD
SSF-LXH303GD
LED T-3MM 565NM GREEN DIFF PCB
Lumex Opto/Components Inc.
 582 $0.68
Bulk ActiveGreen565nmSingle20mA30mcd60°Diffused, TintedRound with Domed Top3mm, T-12.2VThrough Hole, Right Angle
SSF-LXH103LGD
SSF-LXH103LGD
LED 3MM RA FAULT-IND GREEN PCMT
Lumex Opto/Components Inc.
 450 $0.70
Bulk ActiveGreen565nmSingle20mA15mcd80°Diffused, TintedRound with Domed Top3mm, T-12.1VThrough Hole, Right Angle
SSF-LXH100GD
SSF-LXH100GD
LED 5MM RA GREEN DIFF PC MOUNT
Lumex Opto/Components Inc.
 496 $0.72
Bulk ActiveGreen565nmSingle20mA30mcd60°Diffused, TintedRound with Domed Top5mm, T-1 3/42.2VThrough Hole, Right Angle
5912304013F
5912304013F
LED GREEN PRISM/CBI 570NM SMD
Dialight
 22 $1.80
591 Tape & Reel (TR) ActiveGreen570nmSingle2mA5mcd50°-Round with Domed Top3mm, T-11.8VSurface Mount, Right Angle
WP42WUM/EGW
WP42WUM/EGW
LED 3MM RA RED/GRN WHT DIFF TH
Kingbright
 431 $1.03
Bulk ActiveGreen, Red565nm, 627nmSingle25mA Green, 30mA Red12mcd Green, 8mcd Red100°Diffused, WhiteRound with Domed Top3mm, T-12.2V Green, 2V RedThrough Hole, Right Angle
WP130WDT/EGW
WP130WDT/EGW
LED IND RA 3MM RED/GRN WHT DIFF
Kingbright
 66 $1.05
Bulk ActiveGreen, Red568nm, 625nmSingle20mA21mcd60°Diffused, WhiteRound with Domed Top3mm, T-12.2V Green, 2V RedThrough Hole, Right Angle
WP934MD/LILGD
WP934MD/LILGD
REDGREEN BI-LEVEL LED INDICATOR
Kingbright
 323 $1.07
Bag ActiveGreen (x 1), Red (x 1)568nm, 617nm2 High25mA Green, 30mA Red2mcd Green, 0.6mcd Red40°Diffused, TintedRound with Domed Top2.90mm Dia1.9V Green, 1.7V RedThrough Hole, Right Angle
SSF-LXH240GGD
SSF-LXH240GGD
LED 3MM RA 2-HI GRN/GRN PC MNT
Lumex Opto/Components Inc.
 32 $1.07
Bulk ActiveGreen (x 2)565nm2 High20mA40mcd60°Diffused, TintedRound with Domed Top2.90mm Dia2.2VThrough Hole, Right Angle
WP59BL/EGW
WP59BL/EGW
LED IND 5MM RA RED/GRN WHT DIFF
Kingbright
 425 $1.09
Bulk ActiveGreen, Red565nm, 627nmSingle20mA Green, 20mA Red60mcd Green, 40mcd Red30°Diffused, WhiteRound with Domed Top5mm, T-1 3/42.2V Green, 2V RedThrough Hole, Right Angle
5510407F
5510407F
LED 3MM HIGH EFF RED
Dialight
 498 $1.13
551 Bulk ActiveRed650nmSingle10mA10mcd45°Diffused, TintedRound with Domed Top3mm, T-12VThrough Hole, Right Angle
5510207F
5510207F
LED 3MM HIGH EFF GREEN
Dialight
 481 $1.12
551 Bulk ActiveGreen563nmSingle10mA16mcd45°Diffused, TintedRound with Domed Top3mm, T-12.1VThrough Hole, Right Angle
WP934EB/2GD
WP934EB/2GD
LED IND 3MM BI-LVL RA GRN DIFF
Kingbright
 260 $1.13
Bulk ActiveGreen (x 2)565nm2 High20mA22.5mcd40°Diffused, TintedRound with Domed Top3mm, T-12.2VThrough Hole, Right Angle
LTA-1000G
LTA-1000G
LED BAR GRAPH 10-SEGMENT GREEN
Lite-On Inc.
 569 $1.37
LTA Tube ActiveGreen (x 10)569nmBar - 10 Wide, DIP25mA2mcd-TintedRectangle with Flat Top5.08mm x 1.78mm2.1VThrough Hole
LTA-1000HR
LTA-1000HR
LED BAR GRAPH 10-SEGMENT RED
Lite-On Inc.
 132 $1.36
LTA Tube ActiveRed (x 10)635nmBar - 10 Wide, DIP25mA2mcd-TintedRectangle with Flat Top5.08mm x 1.78mm2VThrough Hole
5913001013F
5913001013F
LED PRISM 3MM RA SUP RED/GRN SMT
Dialight
 108 $3.34
591 Tape & Reel (TR) ActiveGreen, Red570nm, 628nmSingle30mA8mcd Green, 6.5mcd Red40°-Round with Domed Top3mm, T-12VSurface Mount, Right Angle
WP934SA/3GD
WP934SA/3GD
LED IND 3MM TRI-LVL RA GRN DIFF
Kingbright
 159 $1.39
Tube ActiveGreen (x 3)568nm3 High20mA22.5mcd40°Diffused, TintedRound with Domed Top3mm, T-12.2VThrough Hole, Right Angle
WP934SA/3ID
WP934SA/3ID
LED IND 3MM TRI-LVL RED DIFF
Kingbright
 6 $1.41
Tube ActiveRed (x 3)627nm3 High20mA22.5mcd40°Diffused, TintedRound with Domed Top3mm, T-12VThrough Hole, Right Angle

About LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

What are LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs?

LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

LEDs, or Light Emitting Diodes, are semiconductor devices that emit light when an electric current passes through them. In the context of circuit board indicators, arrays, light bars, and bar graphs, LEDs serve as visual indicators on electronic devices, providing feedback on the status, performance, or operation of the device. These LEDs are designed to be mounted on circuit boards, offering a compact and efficient way to convey information through light. They operate on the principle of electroluminescence, where electrons recombine with holes within the semiconductor material, releasing energy in the form of photons. This process results in the emission of light, which can be tailored in color and intensity based on the material and design of the LED.

Types of LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

Circuit Board Indicators

These are single or multi-color LEDs used to indicate the status of a circuit or device. They are often used in control panels, dashboards, and electronic devices to show power status, error alerts, or operational modes. Their compact size and low power consumption make them ideal for integration into various electronic systems.

LED Arrays

LED arrays consist of multiple LEDs arranged in a specific pattern or configuration to provide uniform illumination or to create complex lighting effects. They are commonly used in displays, signage, and backlighting applications. The arrangement can be customized to meet specific design requirements, offering flexibility in light distribution and intensity.

Light Bars

Light bars are linear assemblies of LEDs that provide consistent and even lighting across a surface. They are used in applications requiring elongated light sources, such as under-cabinet lighting, automotive lighting, and architectural lighting. Their design allows for easy installation and integration into various environments.

Bar Graphs

LED bar graphs are used to visually represent data or levels, such as volume, temperature, or signal strength. They consist of a series of LEDs arranged in a linear fashion, where each LED represents a specific increment or value. These are commonly found in audio equipment, battery indicators, and measurement devices.

How to choose LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs?

When selecting LEDs for circuit board indicators, arrays, light bars, or bar graphs, consider the following key parameters:

  • Luminous Intensity: Determine the brightness level required for your application.
  • Color and Wavelength: Choose the appropriate color or wavelength based on the intended use and visibility requirements.
  • Size and Form Factor: Ensure the LED fits within the spatial constraints of your design.
  • Power Consumption: Evaluate the power requirements and efficiency of the LED.
  • Viewing Angle: Consider the angle at which the LED will be viewed to ensure optimal visibility.
  • Environmental Conditions: Assess the operating environment, including temperature and humidity, to select LEDs with suitable ratings.

To evaluate product quality and reliability, research supplier reputations, review product specifications, and consider certifications such as ISO or RoHS compliance. Additionally, ensure that the LEDs are compatible with your circuit design and installation requirements, such as soldering techniques and mounting options.

Applications of LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

Consumer Electronics

In consumer electronics, LEDs serve as status indicators on devices like smartphones, laptops, and televisions. They provide feedback on power status, charging levels, and notifications, enhancing user interaction and experience.

Automotive Industry

LEDs are widely used in the automotive industry for dashboard indicators, interior lighting, and exterior lighting solutions. They offer energy efficiency, longevity, and design flexibility, making them ideal for modern vehicle designs.

Industrial Equipment

In industrial settings, LEDs are used in control panels and machinery to indicate operational status, warnings, and system errors. Their durability and reliability make them suitable for harsh environments and continuous operation.

Medical Devices

Medical devices utilize LEDs for visual indicators on equipment such as monitors, diagnostic tools, and patient care devices. They provide clear and immediate feedback, crucial for medical professionals in critical situations.

Telecommunications

In telecommunications, LEDs are used in network equipment to indicate connectivity status, signal strength, and data transmission. They help technicians quickly assess and troubleshoot network issues.