NO.QB/SPS 73 PS 2055A SPECIFICATIONS NAME: 1.9 TYPE: LDM0788SRA DOT MATRIX SHENZHEN DITELONG INDUSTRIAL CO.,LTD. SHENZHEN CANDELA ELECTRONIC CO.,LTD. SHENZHEN SUCCESS PHOTOELECTRONICS CO.,LTD SHENZHEN OFFICE Add: Room 1911,Zhongwin Science & Techn.Bldg,Bagua 3th Rd.Bagualing Industry Zone Shenzhen,China Tel: 86-755-25884151 Fax: 86-755-25884659 Post Code: 518029 E-mail: ditelong@asiansources.com Http://www.asia globalsources.com/ditelong.co Http://www.ditelong.com SHENZHEN FACTORY Add:4/F Ranbao Bldg,NO. 189 Industrial Zone,Henggang,ShenZhen,china Tel:86-755-28630148 28630040 Fax:86-755-28631216 Post Code:518115 3-1 SPECIFICATIONS NO.QB/SPS 73 PS 2055A LDM--0788SRA 1FEATURES * High quality and low cost * High reliable and intensity * Low power requirement * I.C compatible 2DESCRIPTION * 8x8 dot matrix displays. * 1.9 mm dot and pitch 2.54 mm * Black face * White diffusion dots. 3PACKAGE DIMENSIONS NOTES: 1.All dimensions are in millimeters. 2.Tolerance are 0.25mm unless otherwise noted. 4CIRCUIT DIAGRAM 3-2 SPECIFICATION NO.QB/SPS 73 PS 2055A 5ABSOLUTE MAXIMUM RATINGS Ta=25 ITEMS SYMBOL Red UNIT Power Dissipation Per Dot PD 60 mw Forward Current Per Dot* IF 20 mA Peak Forward Current Per Dot** IFP 80 mA Reverse Voltage Per Dot VR 5 V Operation Temperature Range Topr -30+80 Storage Temperature Range Tstg -35+85 260/3 sec Soldering Temperature Tsol NOTES: * We advise average forward c urrent is 15mA ** pulse width=10mes, duty=1/8 6ELECTRICAL/OPTICAL CHARACTERISTICS Ta=25 PARAMETER SYMBOL TEST CONDITIONS Forward voltag per dot VF IF=20mA Reverse current per dot IR VR=5V Luminous intensity per dot IV IFP=40mA 1/8 duty Peak emission wavelength per dot P IF=20mA Spectral line wavelength per dot IF=20mA PART NO Red RATING MIN TYP MAX 1.85 2.0 UNIT V Red A 50 Red 9 Red 640 mcd nm Red 35 nm 7CAUTIONS: aWhen being used, do not be over the corresponding limited scale and note in our specification. bFor some products with the static electricity mark, please operate refer to the rules of static electricity fence. cWhen designing, please consider the factor of heat, and taking keep away measure to avoid high temperature. dDo not clean the product with organic impregnant as some of them may damage the product. . 3-3