一.实验目的:(1)测试产品的光通量衰减,确认经过寿命测试后符合判断基准。
(2)确定产品的信赖性。
二.产品型号:LH48484bW2YCZ-5A/355
三.测试设备:稳压恒流源,积分球
四.测试说明:(1)耐高温绝缘胶固晶。
(2)随机抽取5个样品,不外加散热片,定电流20mA。
(3)室温冷却1分钟后测量。
五.测试条件:(1).TA=室温 (2).IF=20mA T=1000hour
六.试验开始时间:2008-3-6
七.光通量衰减趋势图

八.数据统计
光通量 (单位:mLm)
|
Time |
0 hour |
100 |
200 |
300 |
400 |
500 |
600 |
|||||||
|
|
Ф |
% |
Ф |
% |
Ф |
% |
Ф |
% |
Ф |
% |
Ф |
% |
Ф |
% |
|
1 |
4500 |
100.0% |
4635 |
103% |
4545 |
101.0% |
4480 |
99.6% |
4450 |
98.9% |
4400 |
97.8% |
4388 |
97.5% |
|
2 |
4740 |
100.0% |
4835 |
102% |
4830 |
102.0% |
4800 |
101.0% |
4750 |
100.0% |
4680 |
98.7% |
4650 |
98.1% |
|
3 |
4730 |
100.0% |
4777 |
101% |
4780 |
101.0% |
4760 |
100.5% |
4725 |
99.9% |
4715 |
99.7% |
4710 |
99.6% |
|
4 |
4850 |
100.0% |
4950 |
102% |
4900 |
101.0% |
4860 |
100.2% |
4820 |
99.4% |
4800 |
99.0% |
4760 |
98.1% |
|
5 |
4810 |
100.0% |
4910 |
102% |
4860 |
101.0% |
4820 |
100.2% |
4780 |
99.4% |
4740 |
98.5% |
4710 |
97.9% |
|
Σ |
23630 |
100.0% |
24107 |
102% |
23915 |
101.2% |
23720 |
100.4% |
23525 |
99.6% |
23335 |
98.8% |
23218 |
98.3% |
|
MAX |
4850 |
100.0% |
4950 |
101% |
4900 |
102.0% |
4860 |
101.0% |
4820 |
100.0% |
4800 |
99.7% |
4760 |
99.6% |
|
MIN |
4500 |
100.0% |
4635 |
103% |
4545 |
101.0% |
4480 |
99.6% |
4450 |
99.0% |
4400 |
97.8% |
4388 |
97.5% |
|
AVG |
4726 |
100.0% |
4821.4 |
102% |
4783 |
101.2% |
4744 |
100.4% |
4705 |
99.6% |
4667 |
98.8% |
4643.6 |
98.3% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Time |
700 |
800 |
900 |
1000 |
1100 |
1200 |
1300 |
|||||||
|
|
Ф |
% |
Ф |
% |
Ф |
% |
Ф |
% |
Ф |
% |
Ф |
% |
Ф |
% |
|
1 |
4370 |
97.1% |
4370 |
97.1% |
4365 |
97.0% |
4365 |
97.0% |
|
|
|
|
|
|
|
2 |
4600 |
97.0% |
4590 |
96.8% |
4590 |
96.8% |
4590 |
96.8% |
|
|
|
|
|
|
|
3 |
4700 |
99.4% |
4690 |
99.2% |
4690 |
99.2% |
4690 |
99.2% |
|
|
|
|
|
|
|
4 |
4755 |
98.0% |
4750 |
97.9% |
4750 |
97.9% |
4740 |
97.7% |
|
|
|
|
|
|
|
5 |
4665 |
97.0% |
4610 |
95.8% |
4610 |
95.8% |
4610 |
95.8% |
|
|
|
|
|
|
|
Σ |
23090 |
97.7% |
23010 |
97.4% |
23005 |
97.4% |
22995 |
97.3% |
|
|
|
|
|
|
|
MAX |
4755 |
99.4% |
4750 |
99.2% |
4750 |
99.2% |
4740 |
99.2% |
|
|
|
|
|
|
|
MIN |
4370 |
97.0% |
4370 |
95.8% |
4365 |
95.8% |
4365 |
95.8% |
|
|
|
|
|
|
|
AVG |
4618 |
97.7% |
4602 |
97.4% |
4601 |
97.4% |
4599 |
97.3% |
|
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