LED Display Product Data Sheet LTC-4798SW Spec No.: DS30-2013-0006 Effective Date: 04/19/2013 Revision: A LITE-ON DCC RELEASE BNS-OD-FC001/A4 LITE-ON Technology Corp. / Optoelectronics No.90,Chien 1 Road, Chung Ho, New Taipei City 23585, Taiwan, R.O.C. Tel: 886-2-2222-6181 Fax: 886-2-2221-1948 / 886-2-2221-0660 http://www.liteon.com/opto LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only LED DISPLAY LTC-4798SW DATA SHEET Item 1 2 3 4. Description New Spec. 2.1 Add Pin and Pin Pitch in Page 3 2.2 Modify LED Spec. In Page 5~8 3.1 Modify Pin length from 12 to 3 mm in Page 3 3.2 Add Packing Spec. In Page 9 Revised symbol error in Page 3 PART NO.: LTC-4798SW BNS-OD-C131/A4 By Reo Lin DATE 12/19/2012 Reo Lin 12/21/2012 Reo Lin 02/04/2013 Reo Lin 04/10/2013 PAGE: 1 of 9 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only FEATURES ＊0.39 inch (9.9 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 ＊LEAD-FREE PACKAGE(ACCORDING TO ROHS) DESCRIPTION The LTC-4798SW is a 0.39 inch (9.9 mm) digit height quadruple digit seven-segment display. This device uses InGaN White LED chips (InGaN on a transparent substrate), and has a white face and white segments. DEVICE PART NO. InGaN White LTC-4798SW PART NO.: LTC-4798SW BNS-OD-C131/A4 DESCRIPTION Multiplex Common Cathode PAGE: 2 of 9 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only PACKAGE DIMENSIONS NOTES: 1. All dimensions are in millimeters. Tolerances are 0.25 mm (0.01“) unless otherwise noted. 2. Pin tip’s shift tolerance is 0.4 mm. 3. Foreign material on segment ≦10mils 4. Ink contamination (surface) ≦20mils 5. Bending≦1% of reflector length 6. Bubble in segment ≦10mils 7. Recommend the best pcb hole : diameter 1mm PART NO.: LTC-4798SW BNS-OD-C131/A4 PAGE: 3 of 9 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only INTERNAL CIRCUIT DIAGRAM PIN CONNECTION PART NO.: LTC-4798SW BNS-OD-C131/A4 No. CONNECTION 1 Anode E 2 Anode D 3 Anode D5,D6 4 Anode C 5 Anode G 6 Common Cathode Digit 4 7 Anode B 8 Common Cathode Digit 3 9 Common Cathode Digit 2 10 Anode F 11 Anode A 12 Common Cathode Digit 1 PAGE: 4 of 9 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only CHIP LED ABSOLUTE MAXIMUM RATING PARAMETER MAXIMUM RATING UNIT Power Dissipation Per Segment 35 mW Peak Forward Current Per Segment ( Frequency 1Khz, 10% duty cycle) 50 mA 10 mA mA/°C Continuous Forward Current Per Segment Forward Current Derating from 25°C 0.28 -35°C to + 85°C Operating Temperature Range -35°C to + 85°C Storage Temperature Range Soldering Conditions: 1/16 inch below seating plane for 3 seconds at 260°C. CHIP LED ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta=25oC PARAMETER Average Luminous Intensity Viewing Angle Chromaticity Coordinates SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION IV 71 146 2θ1/2 130 x 0.304 y 0.3 Forward Voltage Per Segment VF Reverse Current Per Segment(7) Luminous Intensity Matching Ratio (Similar Light Area) mcd IF = 5mA Note 1, 2, 5 deg Fig.6 IF = 5mA Note 3, 5 Fig.1 3.2 V IF = 5mA IR 100 A VR=5V IV-m 2:1 2.7 IF=5mA Note : 1. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE eye-response curve. 2. Iv classification code is marked on each packing bag. 3. The chromaticity coordinates (x, y) is derived from the 1931 CIE chromaticity diagram. 4. Caution in ESD: Static Electricity and surge damages the LED. It is recommend to use a wrist band or anti-electrostatic glove when handling the LED. All devices, equipment and machinery must be properly grounded. 5. Tester: CAS140B is for the chromaticity coordinates (x, y) and Iv. 6. The chromaticity coordinates (x, y) guarantee should be added ± 0.01 tolerance 7. Reverse voltage is only for IR test. It can not continue to operate at this situation. PART NO.: LTC-4798SW BNS-OD-C131/A4 PAGE: 5 of 9 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES (25oC Ambient Temperature Unless Otherwise Noted) PART NO.: LTC-4798SW BNS-OD-C131/A4 PAGE: 6 of 9 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only Bin Code List VF Spec. Table Forward Voltage (V) at IF = 5mA Min. Max. VF Bin 3 2.70 2.80 4 2.80 2.90 5 2.90 3.00 6 3.00 3.10 7 3.10 3.20 Tolerance on each Forward Voltage bin is +/-0.1 volt IV Spec. Table Luminous Intensity (mcd) at IF = 5mA IV Bin Min. Max. Q11 71.0 81.0 Q12 81.0 90.0 Q21 90.0 101.0 Q22 101.0 112.0 R11 112.0 129.0 R12 129.0 146.0 Tolerance on each Luminous Intensity bin is +/- 15%. Hue Spec. Table Hue Bin Color bin limits at IF = 5mA CIE 1931Chromaticity coordinates x y x y x y x y 0.294 0.294 0.304 0.254 0.286 0.300 0.304 0.304 0.314 S3-2 0.268 0.300 0.315 0.294 0.294 0.304 S4-1 0.286 0.319 0.333 0.304 0.304 0.314 S4-2 0.300 0.333 0.347 Tolerance on each Hue (x, y) bin is +/- 0.01. S3-1 PART NO.: LTC-4798SW BNS-OD-C131/A4 PAGE: 0.304 0.268 0.314 0.282 0.304 0.300 0.314 0.315 7 of 9 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only PART NO.: LTC-4798SW BNS-OD-C131/A4 PAGE: 8 of 9 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only PACKING SPEC. PART NO.: LTC-4798SW BNS-OD-C131/A4 PAGE: 9 of 9