LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only FEATURES 0.39 inch (10.0 mm) DIGIT HEIGHT CONTINUOUS UNIFORM SEGMENTS LOW POWER REQUIREMENT EXCELLENT CHARACTERS APPEARANCE HIGH BRIGHTNESS & HIGH CONTRAST WIDE VIEWING ANGLE SOLID STATE RELIABILITY CATEGORIZED FOR LUMINOUS INTENSITY DESCRIPTION The LTS-4812SKR-P is a 0.39 inch (10.0 mm) digit height single digit SMD display. This device utilizes AllnGaP SUPER RED LED chips which are made from Aluminum Indium Gallium Phosphide on GaAs ,.The display has gray face and white segments. DEVICE PART NO. DESCRIPTION AllnGaP SUPER RED Common Anode LTS-4812SKR-P PART NO.: LTS-4812SKR-P BNS-OD-C131/A4 PAGE: 1 of 8 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only PACKAGE DIMENSIONS NOTES: All dimensions are in millimeters. Tolerances are 0.25-mm (0.01") unless otherwise noted. INTERNAL CIRCUIT DIAGRAM PART NO.: LTS-4812SKR-P BNS-OD-C131/A4 PAGE: 2 of 8 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only PIN CONNECTION No. CONNECTION 1 CATHODE E 2 CATHODE D 3 COMMON ANODE 4 CATHODE C 5 CATHODE D.P. 6 CATHODE B 7 CATHODE A 8 COMMON ANODE 9 CATHODE F 10 CATHODE G PART NO.: LTS-4812SKR-P BNS-OD-C131/A4 PAGE: 3 of 8 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only ABSOLUTE MAXIMUM RATING AT Ta = 25oC PARAMETER MAXIMUM RATING UNIT Power Dissipation Per Segment 75 mW Peak Forward Current Per Segment (Frequency 1Khz,10% duty cycle ) 90 mA Continuous Forward Current Per Segment 2.6 mA 0.28 mA/0C Forword Current Derating from 250C Reverse Voltage Per Segment 5 V 0 0 Operating Temperature Range -25 C to +105 C Storage Temperature Range -250C to +1050C Soldering Comditions: 1/16 inch Below Seating Plane for 3 Seconds at 2600C ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta = 25oC PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION Average Luminous Intensity Per Segment IV Peak Emission Wavelength 37.8 cd IF=20mA p 639 Nm IF=20mA Spectral Line Half-Width 20 Nm IF=20mA Dominant Wavelength d 631 Nm IF=20mA Forward Voltage Per Segment VF 2.0 2.4 V IF=20mA Reverse Current Per Segment IR 100 A VR=5V IV-m 2:1 Luminous Intensity Matching Ratio 17.5 IF=20mA 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.: LTS-4812SKR-P BNS-OD-C131/A4 PAGE: 4 of 8 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES (25oC Ambient Temperature Unless Otherwise Noted) PART NO.: LTS-4812SKR-P BNS-OD-C131/A4 PAGE: 5 of 8 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only SMT SOLDERING INSTRUCTION (Number of reflow process shall be less than 2 times, and cooling process to normal temperature is required between the first and the second soldering process) TEMPERATURE (CELSIUS) 300 PEAK 250~260C, 3~5 sec. 250 200 150 100~110C 2 minutes Min. 100 50 0 50 100 150 200 TIME (SECONDS) PART NO.: LTS-4812SKR-P BNS-OD-C131/A4 PAGE: 6 of 8 250 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only RECOMMENDED SOLDERING PATTERN ( UNIT : mm ) PACKING REEL DIMENSIONS PART NO.: LTS-4812SKR-P BNS-OD-C131/A4 PAGE: 7 of 8 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only TAPE & REEL DIMENSIONS (UNIT:mm) TAPE PART NO.: LTS-4812SKR-P BNS-OD-C131/A4 PAGE: 8 of 8