5" square
This is a hugely powerful LED made from a 100 x 1W LEDs. It cost AUD$500 from China on an eBay store here. It produces 7000 lumens and runs on 34 V 3.2 A. It needs to have a heatsink capable of perhaps 90W.
FEATURES:
Long lasting (Last up to 100000hours), Low Power Consumption, Intensely Bright
More Energy efficient than Incandescent and most Halogen Lamps, Low Forward Voltage Operated, Instant Light (Less than 100ns), High ESD Protection (More than 3KV), No UV
Source Material: InGaN
Emitting Colour: White
Luminous Intensity: Min:6400 lumens Max:7400 lumens
Reverse Voltage:5.0 V, DC Forward Voltage: Typical: 32 V Max: 36V
DC Forward Current: Typical: 3000mA Max: 3500mA, Viewing Angle:160 degree
Lead Soldering Temp:260°C for 5 seconds
Size of led: 40mm X 46mm
led emitter size: 21.5mm X 21.5mm Viewing Angle:160 *Absolute Maximum Ratings at Ta=25°C:
Power Dissipation
Pd 125 Watt
Peak Forward Current
(1/10 Duty Cycle,0.1ms Pulse Width) IF(peak) 3500 mA
Continuous Forward Current IF 3000 mA
LED junction temperature JT 85 °C
Reverse Voltage VR 5 V
Operating temperature range
Topr -20°C to + 80°C
Storage Temperature Range
Tstg -30°C to + 100°C
*Electrical/Optical Characteristics at Ta=25°C:
Parameter Symbol Test Condition
Min. Typ. Max. Unit
Luminous flux ф IF=3000mA 6400 - 7400 Lumens
Viewing Angle 2θ1/2 IF=3000mA 160 deg
Forward Voltage VF IF=3000mA 32 - 36 V
Reverse Current IR VR=5V 100uA
Color Rendering Index Calculation Spm X 0.280 - 0.340
Spm Y 0.280 - 0.340
Correspondingly CCT IF=1500mA 5500 6500 7500 K
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