CHINA SEMICONDUCTOR CORPORATION Spec. No. PS-ND-08090214 A Rev. PRODUCT SPECIFICATION Model No CSQ-3944S/3943S Descriptions: 0.39 Inch Quad Digit Display CSQ-3944: Common Anode CSQ-3943: Common Cathode Emitting Color Super Bright Red CUSTOMER APPROVED SIGNATURES APPROVED BY CHECKED BY PREPARED BY CHINA SEMICONDUCTOR CORPORATION Address:2FL. NO.909,Chung-Cheng Road, Chung-Ho City Taipei Hsien,Taiwan. OPTO PLUS TECHNOLOGIES CO.,LTD Address:696 Shun jiang Rd.,Ji Shan St.Shaoxing, ZheJiang,China Tel:886-2-2223-9696 Fax:886-2-2223-9377 Tel:86-0575-88623888 Fax:86-0575-88623112 http://www.csctw.com.tw CHINA SEMICONDUCTOR CORPORATION Model No Spec. No. PS-ND-08090214 A Rev. CSQ-3944/3943S Features 1. 0.39 inch (10.0mm) digit height. 2. Case mold type. 3. RoHS compliant. 4. Low power consumption. 5. Easy mounting on P.C. board or socket. Device Selection Guide - Part No. Chip Description Material Emitted Color CSQ-3944S AlGaAs Super Bright Red Common Anode CSQ-3943S AlGaAs Super Bright Red Common Cathode Package Dimensions - http://www.csctw.com.tw Page 1/5 CHINA SEMICONDUCTOR CORPORATION Model No Spec. No. PS-ND-08090214 A Rev. CSQ-3944/3943S Internal Circuit Diagrams - Absolute Maximum Rating (Ta=25 ) Parameter Symbol Rating Unit Power Dissipation Per Dice PAD 75 mW Continuous Forward Current Per Dice IAF 30 mA Peak Current Per Dice(duty cycle 1/10, 1kHz) IPF 120 mA - 0.42 VR 5 Operating Temp. Topr -35 ~ +85 Storage Temp. Tstg -35 ~ +85 Derating Linear From 25 Reverse Voltage Per Dice Per Dice mA/ V Solder temperature 1/16 inch below seating plane for 3 seconds at 260 http://www.csctw.com.tw Page 2/5 CHINA SEMICONDUCTOR CORPORATION Model No Spec. No. PS-ND-08090214 A Rev. CSQ-3944/3943S Electro-optical Characteristics (Ta=25 ) Parameter Symbol Min. Typ. Max. Unit Condition Forward Voltage Per Segment VF - 1.8 2.5 V IF=20mA Luminous Intensity Per Segment Iv 2400 6000 - ucd IF=10mA q - 660 - nm IF=20mA Od - 644 - nm IF=20mA - 20 - nm IF=20mA JS - - 100 IV-m - - 2:1 Peak Emission Wavelength Dominant Wavelength Spectrum Radiation Bandwidth Reverse Current Luminous Intensity Matching Ratio http://www.csctw.com.tw A . VR=5V IF=10mA Page 3/5 CHINA SEMICONDUCTOR CORPORATION Model No Spec. No. PS-ND-08090214 A Rev. CSQ-3944/3943S Typical Electrical / Optical Charateristics Curves (Ta = 25 Unless Otherwise Noted) http://www.csctw.com.tw Page 4/5 CHINA SEMICONDUCTOR CORPORATION Model No Spec. No. PS-ND-08090214 Rev. A CSQ-3944/3943S Package Dimensions Note: The specifications are subject to change without notice. Please contact us for updated information. http://www.csctw.com.tw 5/5 Page