LED主要光电参数 Parameter Symbal color Min Type Max Unit 测试条件 ------------------------------------------------------------- 正向压降 Vf Red 2.2 2.8 V If=20mA Hi-Red 2.1 2.8 Green 2.2 2.8 Yellow 2.1 2.8 Orange 2.1 2.8 ------------------------------------------------------------- 峰值波长 λp Red 697 nm If=20mA Hi-Red 635 Green 565 Yellow 585 Orange 630 ------------------------------------------------------------- 中心谱线宽 λp Red 90 nm If=20mA Hi-Red 40 Green 30 Yellow 35 Orange 40 ------------------------------------------------------------- 反向电流 Ir Red 100 μA Vr=5V Hi-Red 100 Green 100 Yellow 100 Orange 100 -------------------------------------------------------------- 平均发光强度 Iv Red 800 μcd If=10mA Hi-Red 2200 Green 2400 Yellow 2250 Orange 3350