SPHWHAHDNK25YZT2D3

Series:	COB D Gen3
Packaging:	Tray
Part Status:	Active
Type:	Chip On Board (COB)
Color:	White, Neutral
CCT (K):	4000K 2-Step MacAdam Ellipse
Wavelength:	--
Configuration:	Square
Flux @ Current/Temperature - Test:	6261 lm (Typ)
Current - Test:	1.08A
Temperature - Test:	85°C
Voltage - Forward (Vf) (Typ):	34V
Lumens/Watt @ Current - Test:	171 lm/W
Current - Max:	2.76A
CRI (Color Rendering Index):	80
Viewing Angle:	115°
Features:	--
Size / Dimension:	28.00mm L x 28.00mm W
Height:	1.50mm
Light Emitting Surface (LES):	22.00mm Diameter
Lens Type:	Flat

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LED Lighting - COBs, Engines, Modules

LEDs, Light-Emitting Diodes, are small semiconductor devices widely used as lighting sources in everyday products from retail display boards, to car headlights, to general household lighting. This article will discuss a particular type of LED, known as a Chip On Board (COB), its applications and how it works.COBs are semiconductor dies placed on a single substrate and mounted in an array, typically in a variety of shapes, to emit light in different directions. Unlike traditional packaged LEDs, they are highly efficient and miniaturized devices, significantly reducing thermal resistance and enabling higher power outputs.COBs are widely used in lighting applications owing to their superior light quality and improved efficiency compared to traditional LED solutions. Due to their advanced custom design, COBs can produce higher brightness and wide beams with uniform distribution, ensure better color mixing, and provide greater energy efficiency.They are particularly suited for applications that require greater intensity and high power, such as street lighting, consumer lighting, vehicle lighting, industrial lighting and general lighting for commercial, residential, and industrial applications.The main advantage of using COBs is that the entire light module can be replaced in one operation and all the components are contained in a single package. This makes them ideal for applications requiring high brightness, as they can provide a greater surface area to produce higher intensity, while eliminating the need for individual circuit components.COBs also provide improved reliability, longer lifetime, and lower cost compared to traditional LED lighting solutions. The miniaturization of the components helps to ensure thermal management and reduce heat dissipation, enabling higher power output and greater efficiency. In addition, the high level of customization allows for more efficient production and lower costs.The working principle of COBs is based on the electrochemical process. The light-emitting diode (LED) is a semiconductor device, that emits light when an electrical current is applied to it. When the electric current flows through the diode, electrons fall from the higher energy level to the lower one, releasing energy in the form of light. The light output is determined by the size, shape, and composition of the semiconductor material and the type of current used to supply the light.COBs are made up of a substrate material and an array of multiple micro light-emitting diodes (LEDs). The micro LEDs are mounted onto a substrate and connected in a circuit or series. A current is applied to the circuit and the resulting electric field activates the micro LEDs, causing them to emit light with a certain wavelength, intensity and power.The advantage of COBs over traditional LED lighting solutions is their uniformity and narrow beam, which improves light output and increases efficiency substantially. Furthermore, they are extremely versatile and can be used in a multitude of different applications, from automotive lighting to large-scale stadium lighting.In conclusion, COBs are an important advancement in LED lighting. They offer improved efficiency, higher intensity and illumination, better color mixing, and greater reliability and lifetime. They are versatile, highly customizable, and cost-effective and are the ideal solution for a wide range of lighting applications.

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