0603贴片LED有5个尺寸规格:19-21系列1.6*0.8*0.8mm(长*宽*厚)、19-213系列1.6*0.8*0.6mm(长*宽*厚) 、 19-217系列1.6*0.8*0.4mm(长*宽*厚) 、 19-218系列1.6*0.8*0.3mm(长*宽*厚) 、 19-219系列1.6*0.8*0.2mm(长*宽*厚)，正向发光，一般用于信号源设计，发光角度分别为100°~130°，MPQ:3000Pcs，常用品名规格有:19-21SURC/S530-A3/TR8, 19-21SYGC/S530-E2/TR8, 19-21UYC/S530-A3/TR8,19-21/T1D-ANPHY/3T, 19-21/BHC-AN1P2/3T, 19-21/GHC-YR1S2/3T, 19-21UBC/C430/TR8; 19-213SURC/S530-A3/TR8, 19-213SYGC/S530-E2/TR8, 19-213UYC/S530-A3/TR8,19-213/T1D-ANPHY/3T, 19-213/BHC-AN1P2/3T, 19-213/GHC-YR1S2/3T, 19-213UBC/C430/TR8; 19-217/R6C-AP1Q2/3T, 19-217/G7C-AL1M2B/3T, 19-217/Y5C-AP1Q2/3T,19-217/T1D-APQHY/3T, 19-217/BHC-AN1P2/3T, 19-217/GHC-YR1S2/3T, 19-217UBC/C430/TR8;19-218/BHC-EL1M2QY/3T,19-218/W1D-AP1Q2QY/3T, 19-219/B6C-ZM1N2QY/3T,19-219/T3D-AQ2R2TY/3T

　　0603贴片LED的尺寸规格有:

　　C-1.  19-21,19-11 为0603 Package Chip LED(0.8厚)

　　C-2.  19-213,19-113 为0603 Package Chip LED(0.6mm厚)

　　C-3.  19-217,19-117为0603 Package Chip LED(0.4mm 厚)

　　C-4.  19-218,19-118 为0603 Package Chip LED(0.3mm 厚)

　　C-5.  19-219,19-119 为0603 Package Chip LED(0.2mm 厚)

　　******2改为1的意思，例如19-117是指内部有添加基纳二极管，抗ESD高