Cree XRE series 1 Watt Blue LED: B4K

Part Number: XREBLU-L1-0000-00J04
3 photos

Product Details

  • 20mm Diameter
  • 39.8 Lumens
  • 100 Degree Viewing Angle
  • 17,500mcd
In Stock
$10.95 ea.
Volume price as low as $7.12
Orders ship on or before  Monday 06/25/2018
  • Select options to see various notes.


CREE XRE 1 Watt Blue LEDs. LED package mounted on 20mm diameter Star PCB heatsinks. Up to 475nm wavelength Blue LED, 17,500mcd. 39.8 lumens with wide 100 degree viewing angle.

Important Notes - Please read before purchasing:
  1. Component LEDs are sensitive electronic devices and require some knowledge of electronic circuits to operate them. These products cannot be returned after the package has been opened.
  2. All high powered component LEDs must be used in conjunction with an appropriate heat sink (not included).


Continuous Forward Current 1000mA
Forward Voltage 3.5V
Forward Voltage @ 1000mA 3.7
Forward Voltage @ 350mA 3.3
Forward Voltage @ 700mA 3.5
LED Brand Cree
LED Color Blue
LED Package 7 mm x 9 mm
LED Type Cree XR-E
Lens Clear
Lumen 30 Lumen
Maximum Forward Voltage 3.9V
Maximum LED Junction Temperature 150
Millicandela 17500mcd
Reverse Voltage 5V
Thermal Resistance 8 °C/W
Total Power Consumption 1 Watt
Type Star PCB Board
Viewing Angle 100 degree
Wavelength 470 nm
Package Weight: 0.07oz (0kg)
Package Dimensions: 0.83" (2cm) x 0.48" (1cm) x 0.48" (1cm)
Characteristics - Part: XREBLU-L1-0000-00J04
Absolute Maximum Ratings @ Ta=25°C
Continuous Forward Current IF 1000 mA
ESD Classification (HBM per Mil-Std-883D) -- Class 2 --
Maximum LED Junction Temperature Tj 150 °C
Reverse Voltage VR 5 V
Thermal Management Specifications
Maximum LED Junction Temperature Tj 150 °C
Thermal resistance RθJC 8 °C/W
Temperature coefficient of voltage mV/°C -4.0 --
Suggested cooling area (sides exposed to open air) -- 800-1200 cm2
Flux Characteristics (Tj = 25°C)
Color Lumen CCT Range CRI
Blue 30 -- --
Viewing Angle 2θ1/2 IF=750mA 115 100 125 degrees
Forward Voltage VF IF=750mA 3.3 3.5 3.9 V
Lead Soldering Temp: 300°C for 3.5 seconds
XRE series Dimensions
High power component LED diagram



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