* 0.764 inch ( 19.4 mm) MATRIX HEIGHT * LOW POWER REQUIREMENT * SINGLE PLANE, WIDE VIEWING ANGLE * SOLID STATE RELIABILITY * 8 X 8 ARRAY WITH X-Y SELECT * COMPATIBLE WITH USASCLL AND EBCDIC CODES * STACKABLE HORIZONTALLY * CATEGORIZED FOR LUMINOUS INTENSITY The LTP-7188KE is a 0.764 inch (19.4 mm) matrix height 8x8 dot matrix display. This device uses AS-AlInGaP RED LED chips (AlInGaP epi on GaAs substrate). The display has gray face and white segments. AlInGaP RED Anode Row, Cathode Column LTP-7188KE PART NO.: LTP-7188KE BNS-OD-C131/A4 PAGE: 1of5 NOTES: All dimensions are in millimeters. Tolerance is ± 0.25 mm (0.01“) unless otherwise noted. PART NO.: LTP-7188KE BNS-OD-C131/A4 PAGE: 2of5 1 ANODE ROW 5 2 ANODE ROW 7 3 CATHODE COLUMN 2 4 CATHODE COLUMN 3 5 6 8 CATHODE COLUMN 5 ANODE ROW 6 8 ANODE ROW 3 9 ANODE ROW 1 10 CATHODE COLUMN 4 11 CATHODE COLUMN 6 13 14 BNS-OD-C131/A4 ANODE ROW 7 12 PART NO.: LTP-7188KE ANODE ROW 4 CATHODE COLUMN 1 ANODE ROW 2 15 CATHODE COLUMN 7 16 CATHODE COLUMN 8 PAGE: 3of5 Average Power Dissipation Per Dot 40 mW Peak Forward Current Per Dot ( Frequency 1Khz, 18% duty cycle ) 90 mA 15 mA mA/ Average Forward Current Per Dot Forward Current From 25 0.2 Reverse Voltage Per Dot 5 -35 to +85 Operating Temperature Range V -35 to +85 Storage Temperature Range Soldering Conditions:1/16 inch below seating plane for 3 seconds at 260 ! "#$%& µcd I= 32mA 1/16Duty Average Luminous Intensity Per Dot I 630 1650 Peak Emission Wavelength λp 632 nm I= 20mA Spectral Line Half-Width ∆λ 20 nm I= 20mA Dominant Wavelength λd 624 nm I= 20mA Forward Voltage any Dot V Reverse Current any Dot I 100 I-m 2:1 Luminous Intensity Matching Ratio 2.05 2.6 2.3 2.8 V µA I= 20mA I= 80mA V= 5V I= 32mA 1/16Duty Note: Luminous intensity is measured with a light sensor and filter combination that approximates the CIE (Commision Internationale De L’Eclairage) eye-response curve. PART NO.: LTP-7188KE BNS-OD-C131/A4 PAGE: 4of5 ' ! " PART NO.: LTP-7188KE BNS-OD-C131/A4 PAGE: 5of5