BRIGHT LED ELECTRONICS CORP. SINCE 1981 DATA SHEET ●DEVICE NUMBER：BD-A544RE SHEET DATE 2002.10.25 : 1 3 CONTENTS 1.0 1.0 1.0 : 2007.09.20 2 : Original Released : : 2.0 2.0 2.0 Format Of Sheets 佰鴻工業股份有限公司 http://www.brtled.com 佰鴻工業股份有限公司 BRIGHT LED ELECTRONICS CORP. 台北縣板橋市和平路 19 號 3 樓 3F., No. 19, Ho Ping Road, Pan Chiao City, Taipei, Taiwan, R. O. C. Tel: 886-2-29591090 Fax: 886-2-29547006/29558809 www.brtled.com. APPROVED DRAWER 羅 万 2007 9 20 2007 9 20 世軍 雪 慧 BRIGHT LED ELECTRONICS CORP. BD-A544RE SINCE 1981 ● Features : 1. 0.56 inch (14.20mm) Digit Height. 2. Continuous uniform segments. 3. Low power requirement. 4. Excellent characters appearance. 5. Solid state reliability. 6. Categorized for luminous intensity. 7. Direct drive common anode. ● Package Dimensions : 8 8.0(.315) 14.20(.560) 19.0(.748) 12.7(.500) Description : 1.5(.059) 25.0(.984) MARK xxxxxx ● 15.24(.600) 0.50(.020) 8.0(.315) 4.3±0.5(.169±020) 2.54x8=20.32(.800) 1. The BD-A544RE is a 14.2mm(0.56") high dual digit seven segments display. 2. This product use hi-eff red chips, which are made from GaAsP on GaP substrate. 3. This product have a black face and red segments. 4. This product doesn't contain restriction Notes: 1. All dimensions are in millimeters(inches). 2. Tolerance is ±0.25mm(.01")unless otherwise specified. 3. Specifications are subject to change without notice. substance, comply ROHS standard. ● Internal Circuit Diagram : 佰鴻工業股份有限公司 http://www.brtled.com Ver.2.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. BD-A544RE SINCE 1981 ● Absolute Maximum Ratings(Ta=25℃) Parameter Symbol Rating Unit Power Dissipation Per Segment Pd 80 mW Forward Current Per Segment IF 30 mA IFP (Duty 1/10, 1KHZ) 150 mA VR 5 V Operating Temperature Topr -40℃~80℃ - Storage Temperature Tstg -40℃~85℃ - Soldering Temperature (1/16" From Body) Tsol 260℃ For 5 Seconds - Peak Forward Current Per Segment Reverse Voltage Per Segment ● Electrical And Optical Characteristics(Ta=25℃) Parameter Symbol Condition Min. Typ. Max. Unit Forward Voltage Per Segment Vf IF=10mA - 1.9 2.5 V Luminous Intensity Per Segment Iv IF=10mA - 3.6 - mcd Reverse Current Per Segment IR VR=5V - - 100 µA Peak Wave Length λp IF=10mA - 640 - nm Dominant Wave Length λd IF=10mA 626 - 636 nm Spectral Line Half-width ∆λ IF=10mA - 40 - nm 佰鴻工業股份有限公司 http://www.brtled.com Ver.2.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BD-A544RE SINCE 1981 Typical Electro-Optical Characteristics Curves (25℃ Ambient Temperature Unless Otherwise Noted) Fig.1 Relative Radiant Intensity VS. Wavelength Relative Radiant Intensity 1.0 0.5 0 560 590 620 Fig.2 Forward Current VS. Forward Voltage 40 30 20 10 0 650 Wavelength(nm) Relative Luminous Intensity (@20mA) Forward Current (mA) 50 0 1 2 3 4 5 Fig.4 Relative Luminous Intensity VS. Forward Current 3.0 2.0 710 740 Fig.3 Relative Luminous Intensity VS. Ambient Temperature 2.5 2.0 1.5 1.0 0.5 0 -40 50 Forward Current(mA) 3.0 680 -20 0 20 40 60 Ambient Temperature Ta( C) Forward Voltage (V) Relative Luminous Intensity (@20mA) ● Fig.5 Forward Current Derating Curve VS. Ambient Temperature 40 30 佰鴻工業股份有限公司 http://www.brtled.com 1.0 0.0 0 10 20 30 40 Forward Current(mA) 50 20 10 0 0 20 40 60 80 100 120 Ambient Temperature Ta( C) Ver.2.0 Page 3 of 3