Shenzhen UP Optoelectronic Co.,Ltd produces 3528,2835,5050,5730,3014,4014,7020 SMD white LED.They are all long-term lumen maintenance white LED which keep lumen no decay in 6000hrs testing. These long-term lumen maintenance SMD white LED can be use in LED tube, LED panel light, LED down light, LED bulb,etc.
Opto-electronics Specifications:
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Tolerance |
TestConditinos |
ForwardVoltage |
Vf |
3.0 |
--- |
3.4 |
V |
± 0.05V |
IF=60mA
TestTemperature=25ºC |
Luminous Intensity |
IV |
4800 |
--- |
5200 |
mcd |
± 60 mcd |
Color Temperature |
TC |
2700 |
--- |
9000 |
k |
±50k |
Chromatic current |
X |
--- |
--- |
--- |
/ |
±0.005 |
Y |
--- |
--- |
--- |
/ |
±0.005 |
Luminous Flux |
Φ |
18.0 |
--- |
22.0 |
Lm |
±2 Lm |
Color rendering index |
Ra |
-- |
82 |
--- |
/ |
|
LightingAngle |
θ |
115 |
120 |
125 |
deg |
±2 |