3to5Wcob Surface Light Source High-power Long Cob Lamp Beads

Product information:
Power: 3
Overall size: 50*7(mm)
Luminous surface size: 28*6(mm)
Power: 3(W)
Color rendering index: 80
Luminous flux: 120LM/W(lm)
Forward Voltage: 9-11(V)
Backward voltage: 9-11(V)
Electrostatic breakdown voltage (ESD):9-11(V)
Rated current: 300ma(A)
Chip size: 15*30(mil)
Wire material: gold wire
Substrate material: heavy gold aluminum
Luminous angle: 120(°)
Luminous efficiency: 120(lm/W)
Color tolerance: 5(SDCN)
Thermal resistance: ≤ 5(°/W)
Maximum allowable junction temperature: 150(°)
Voltage temperature coefficient: 150(mV/°C)
1000 hours regular aging: 85(%)
6000 hours regular aging: 3(%)