Super bright warm white LED
1.Factory outlet
2.Energy saving and high brightness
3.Three year quality guarantee
Type:LED
Super bright warm white LED
Product Specification:
1.Part Number:YSWW544W
2.Emitting colors:Warm white
3.Type:5mm coniform bullet LED lamp
4.Lens color:water clear
5.Size:5.0*8.7mm
6. Forward current: 20mA
7.Viewing angle:8 degrees
Application:
1.Decorative lightings
2.Backlighting, such as advertisement box, billboard,etc
3.Indicator as equipment working features
Technical parameter :
Parameter | Test Condition | Symbol | Value | Unit | ||
Min | Typ | Max | ||||
Color temperature | If=20mA | peak | 2000 |
| 4500 | k |
| Spectral half bandwidth | If=20mA | 10 | ||||
Forward voltage | If=20mA | Vf | 3 |
| 3.6 | V |
Viewing angle | If=20mA |
|
| 8 |
| Deg |
Luminous intensity | If=20mA | Iv | 6000 |
| 10000 | mcd |
Reverse current | Vr=5V | Ir | -- | -- | 5 | μA |
Product structure chart:
Samples test report:
| No. | Item | Testing conditions | Test cycle | Test samples no. | Ac/Re |
1 | Tin-plated test | Temp:260°C±5°C | 5 sec | 76 PCS | 0/1 |
2 | Back & forth test under high & low temp at intervals | High temp.:+85°C30min to 5min to -55°C30min | 50 bout | 76 PCS | 0/1 |
3 | Heat pounding test | High emp.:+100°C30min To 10sec to -10°C30min | 50 bout | 76 PCS | 0/1 |
4 | High storage temp. | Temperature:100°C | 1000 Hr. | 76 PCS | 0/1 |
5 | Low storage temp. | -55°C | 1000 Hr. | 76 PCS | 0/1 |
6 | Life span test | VF=1.9V IF=20mA | 1000 Hr. | 76 PCS | 0/1 |
7 | Test under high temp.& high Humidity | 85°C/85%RH | 1000 Hr. | 76 PCS | 0/1 |
