SPECIFICATIONS FOR LED DISPLAYS 11mm(0.43") Seven Segments Dual Digit LDD043-10 WENRUN Series OPTOELECTRONIC WENRUN LED Displays LDD043 Series Features: z z z z High efficiency, low power consumption. Extremely low current. Luminous evenly distributed on each segment. Low development cost. LDD043A/B-10 Descriptions: z z z Industrial standard size. These display provide excellent reliability in bright ambient light. These devices are made with white segments and black surface. Applications: z z z Audio equipment or Instrument panels. General use for digital indicators. Multimedia product. Selection Guide: Part No. Chip Anode Cathode Material Emitting Color LDD043BSR-10 LDD043ASR-10 GaAlAs Super Red LDD043BG-10 LDD043AG-10 GaP Green Prepared dateJuly 2007 http://www.wenrun.com Rev.:4 Lens Color White Diffused Page 1 of 4 WENRUN LED Displays LDD043 Series Absolute Maximum Rating Ta=25 Parameter Symbol Super Red Green Unit Power Dissipation/Segment Pd 50 60 mW Peak Forward Current /Segment (Duty 1/10@ 1KHz) IFP 70 70 mA Continuous Forward Current /Segment IF 20 20 mA Recommend use current /Segment IF 5~10 5~10 mA Reverse Voltage /Segment VR 5 5 V Operating Temperature Range Topr -25~ +75 Storage Temperature Range Tstg -30 ~ +85 Solder Temperature Tsol 2605 Notes1This is the limit current . It is not allowed to use when the product work continuously. 2It is recommended that the product is driven by TTL,CMOS. 3Soldering time5 seconds. Electrical Optical CharacteristicsTa=25 Super Red Parameter Test Green Symbol Unit Condition Typ. Max. Typ. Max. IV 5.2 -- 2.6 -- mcd IF=10mA VF 1.85 2.3 2.2 2.5 V IF=20mA IR -- 50 -- 50 uA VR=5V d 645 -- 565 -- nm IF=20mA 30 -- 30 -- nm IF=20mA Luminous Intensity /Segment Forward Voltage /Segment Reverse Current /Segment Dominant Wavelength Spectral Line Half Width Prepared dateJuly 2007 http://www.wenrun.com Rev.:4 Page 2 of 4 WENRUN LED Displays LDD043 Series Package Dimensions: 7 10 1 DIG.1 DIG.2 11(.43) 18.8 A B F G E C D RDP PIN1 6.5 12 23.8 0.5 2.54*8=20.32 15.24 NOTES * All dimensions are in millimetres (mm), Tolerance is 0.25mm unless otherwise noted. * Specifications are subject to change without notice. Internal Circuit: Common Cathode 14 13 DIG.1 A B 16 15 C D E 1 2 3 F DIG.2 G RDP 18 17 A 4 11 B C 10 D E 6 8 F 5 G RDP 12 7 9 LDD043A Common Anode 14 13 DIG.1 A 16 B 15 C 3 D 2 E F 1 18 DIG.2 G 17 RDP 4 A 11 B 10 C D 8 6 E F 5 12 G RDP 7 9 LDD043B Prepared dateJuly 2007 http://www.wenrun.com Rev.:4 Page 3 of 4 WENRUN LED Displays LDD043 Series Reliability Test Items and Conditions NO Test Item Test Conditions Duration Sample Ac/Re 1 Temperature Cycle 50clycles 100 0/1 2 High Temp. Storage Ta=85 1000hours 100 0/1 3 Temp.& Humidity Test Ta=85 RH=85% 1000hours 100 0/1 4 Low Temp. Storage Ta=-30 1000hours 100 0/1 5 Operating Life Test Ta=255 DC IF=15mA 1000hours 100 0/1 6 Solder Heat Tsol=26055s 1times 20 0/1 -30258525 30min 5min 30min 5min Typical Electro-Optical Characteristics Curves Relative Luminous Intensity (%) Spectrum Distribution Ta=25 100 SR G 75 50 25 0 500 600 550 650 700 750 Wavelength d (nm) Forward Current vs. Forward Voltage 50 SR Forward Current If (mA) Forward Current If (mA) 50 Forward Current Derating Curve 40 30 G 20 10 0 1.2 40 30 20 10 0 1.6 2.0 2.4 2.8 Forward Voltage(Vf)-volts Prepared dateJuly 2007 3.2 0 20 40 60 80 100 Ambient Temperature Ta( C) http://www.wenrun.com Rev.:4 Page 4 of 4