• 20W High Brightness LED Ceiling COB Downlight (WD-4073A)
  • 20W High Brightness LED Ceiling COB Downlight (WD-4073A)
  • 20W High Brightness LED Ceiling COB Downlight (WD-4073A)
  • 20W High Brightness LED Ceiling COB Downlight (WD-4073A)
  • 20W High Brightness LED Ceiling COB Downlight (WD-4073A)
  • 20W High Brightness LED Ceiling COB Downlight (WD-4073A)

20W High Brightness LED Ceiling COB Downlight (WD-4073A)

Light Source: LED
Material: Aluminum
Source Number: Single Plug
Installation: Embedded
Lamp Installation: Screw Holder
Application: Home Furnishing, Engineering, Store, Showcase
Samples:
US$ 1/Piece 1 Piece(Min.Order)
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Customization:

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Basic Info.

Model NO.
WD-4073A
Warranty
2 Years
LED COB Light Source
Shineon Chip
Color Rendering Index
80
Input Voltage
220-240V / AC
Transport Package
Customized Packing / Neutro-Packing
Specification
diameter: 190M, high: 160MM
Trademark
World-Dawn
Origin
Guangdong
HS Code
9405409000

Product Description

World-Dawn COB LED Downlight 15W High CRI 80

20W High Brightness LED Ceiling COB Downlight (WD-4073A)
Specification:
  • Model: LED COB ceiling downlight /LED Down Light (WD-4073A)
  • LED light source: SHINEON COB LED
  • Power:15W / 20W / 30W 
  • Colour: 3000K/4000K/6500K           
  • Input Voltage: 220-240V / AC
  • Luminous Intensity: ≥1600lm
  • CRI:  ≥80
  • Beam Angle: 24°
  • Body Material: Die-casting Al+Plastic
  • Case color: Grilled white shell+black radiator
  • Excellent luminous efficiency
  • 2 years warranty

 

 
1.What is COB ?
Chip-on-Board, or COB, refers to the semiconductor assembly technology wherein the microchip or die is directly mounted on and electrically interconnected to its final circuit board, instead of undergoing traditional assembly or packaging as an individual IC. The elimination of conventional device packaging from COB assemblies simplifies the overall process of designing and manufacturing the final product, as well as improves its performance as a result of the shorter interconnection paths.
2. What is COB Advantage ?
1) Reduced space requirements;
2) Reduced cost;
3) Better performance due to decreased interconnection lengths and resistances;
4) Higher reliability due to better heat distribution and a lower number of solder joints;
5) Shorter time-to-market




About Products:
20W High Brightness LED Ceiling COB Downlight (WD-4073A)
Application:

General commercial & architectural lighting, hotel, restaurant, shop, office, theater, garage, hospital, corridor, library and warehouse etc.
20W High Brightness LED Ceiling COB Downlight (WD-4073A)
  Model Number WD-4073A
  Size ¢190×160MM
  Input Voltage   220-240V / AC
  Frequency Range   50Hz~60Hz
  LED Consumption   20W
  LED Initial Flux   ≥1600lm
  Color Rendering Index    ≥80
  Color Temperature    3000K/4000K/6500K
  Beam Angle    24°
  Warranty   2 years

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