LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only LED DISPLAY LTC-2687CKS-P DATA SHEET Description Item 1 New Spec. PART NO.: LTC-2687CKS-P BNS-OD-C131/A4 By DATE Reo Lin 2011/03/18 PAGE: 1 of 9 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only FEATURES 0.28 inch (7.00mm) 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 SMD DISPLAY LEAD FREE PACKAGE (ACCORDING TO ROHS) DESCRIPTION The LTC-268CKS-P is a 0.28 inch (7.00mm) digit height triple digit SMD display. This device uses AlInGaP Yellow LED chips(AlInGaP on a non-transparent substrate). The display has black face and white segments. DEVICE PART NO. AlInGaP Yellow LTC-2687CKS-P PART NO.: LTC-2687CKS-P BNS-OD-C131/A4 DESCRIPTION Common Anode PAGE: 2 of 11 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only PACKAGE DIMENSIONS NOTES: All dimensions are in millimeters. Tolerances are 0.1 mm unless otherwise noted. Angle is 1. Warp and Twist<0.07mm INTERNAL CIRCUIT DIAGRAM PART NO.: LTC-2687CKS-P BNS-OD-C131/A4 PAGE: 3 of 11 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only PIN CONNECTION No. CONNECTION 1 CATHODE G 2 CATHODE E 3 CATHODE D 4 NO CONNECT 5 CATHODE D.P. 6 CATHODE C 7 CATHODE B 8 COMMON ANODE DIG.3 9 CATHODE A 10 COMMON ANODE DIG.2 11 COMMON ANODE DIG.1 12 PART NO.: LTC-2687CKS-P BNS-OD-C131/A4 CATHODE F PAGE: 4 of 11 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only ABSOLUTE MAXIMUM RATING AT Ta=25oC PARAMETER MAXIMUM RATING UNIT 70 mW 60 mA Power Dissipation Per Segment Peak Forward Current Per Segment (Frequency 1Khz,10% duty cycle ) Continuous Forward Current Per Segment Derating Linear From 25C Operating Temperature Range 25 0.28 -35C to +105C mA mA/C -55C to +105C Storage Temperature Range *Reverse voltage is only for IR test. It can not continue to operate at this situation. Iron Soldering Conditions: 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 T.B.D T.B.D IF=1mA cd Average Luminous Intensity IV Peak Emission Wavelength p 588 nm IF=20mA Spectral Line Half-Width 15 nm IF=20mA Dominant Wavelength d 587 nm IF=20mA VF 2.05 2.6 V IF=20mA IR 100 A VR=5V IV-m 2:1 Forward Voltage Per Segment Reverse Current Per Segment (2) Luminous Intensity Matching Ratio T.B.D IF=10mA IF=1mA Note: 1. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE (Commision Internationale De L'Eclairage) eye-response curve. 2. Reverse voltage is only for IR test. It can not continue to operate at this situation. PART NO.: LTC-2687CKS-P BNS-OD-C131/A4 PAGE: 5 of 11 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES (25oC Ambient Temperature Unless Otherwise Noted) PART NO.: LTC-2687CKS-P BNS-OD-C131/A4 PAGE: 6 of 11 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only SMT SOLDERING INSTRUCTION Note: 1. Recommended soldering condition: Reflow Soldering (Two times only) Pre-heat: 120~150C. Pre-heat time: 120sec. Max. Peak temperature: 260C Max. Soldering time: 5sec. Max. Soldering Iron (One time only) Temperature 300C Max. Soldering time 3sec. Max. 2. 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. PART NO.: LTC-2687CKS-P BNS-OD-C131/A4 PAGE: 7 of 11 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only PACKING SPEC PART NO.: LTC-2687CKS-P BNS-OD-C131/A4 PAGE: 8 of 11 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only PART NO.: LTC-2687CKS-P BNS-OD-C131/A4 PAGE: 9 of 11 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only Trailer part/ Trailer part/ Leader part (40mm MIN.) (400mm MIN.) (40mm MIN.) DIRECTION OF PULLING OUT PART NO.: LTC-2687CKS-P BNS-OD-C131/A4 PAGE: 10 of 11 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only Moisture Proof Packaging All N/D SMD displays are shipped in moisture proof package. The displays should be stored at 30C or less and 90% RH or less. Once the package opened, moisture absorption begins. UNITS IN A SEALED MOISTURE-PROOF PACKAGE PACKAGE IS OPENED (UNSEALED) YES ENVIRONMENT LESS THAN 30oC, AND LESS THAN 60% RH? BAKING IS NOT NECESSARY NO NO PACKAGE IS OPENED MORE THAN 1 WEEK DAYS? YES PERFORM RECOMMENDED BAKING CONDITIONS Baking Conditions If the parts are not stored in dry conditions, they must be baked before reflow to prevent damage to the parts. Package Temperature Time In Reel 60oC 48hours In Bulk 100oC 4hours o 125 C 2hours Baking should only be done once. PART NO.: LTC-2687CKS-P BNS-OD-C131/A4 PAGE: 11 of 11 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Lite-On: LTC-2687CKS-P