BRIGHT LED ELECTRONICS CORP. BD-E542RD SINCE 1981 ● ● Features : 1. 0.56 inch (14.20 mm) Digit Height. 2. Continuous uniform segments. 3. Low power requirement. 4. Excellent characters appearance. 5. Solid state reliability. 6. Categorized for luminous intensity. 7. Duplex drive common anode. ● 1. Package Dimensions : Description : The BD-E542RD is a 14.20 mm (0.56") high dual digit seven segments display. 2. This product use green chips, which are made from GaP on GaP substrate. 3. This product have a black face and white 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 : 8 7 佰鴻工業股份有限公司 http://www.brtled.com D1 D2 D1 A F G E + PIN 1. D2 B C D DP A B C D E F G DP 10 9 1 4 3 6 5 2 Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. BD-E542RD 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 Forward Voltage Per Segment Symbol Condition Vf IF=10mA Min. Typ. Max. Unit - 2.1 2.5 V 佰鴻工業股份有限公司 http://www.brtled.com Luminous Intensity Per Segment Iv IF=10mA - 3.8 - mcd Reverse Current Per Segment IR VR=5V - - 100 µA Peak Wave Length λp IF=10mA - 568 - nm Dominant Wave Length λd IF=10mA 567 - 572 nm Spectral Line Half-width ∆λ IF=10mA - 30 - nm Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BD-E542RD 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 0 460 490 520 550 Wavelength(nm) Fig.2 Forward Current VS. Forward Voltage Relative Luminous Intensity (@20mA) Forward Current (mA) 50 40 30 20 10 0 1 2 3 4 5 3.0 580 3.0 610 640 Fig.3 Relative Luminous Intensity VS. Ambient Temperature 2.5 2.0 1.5 1.0 0.5 0 -40 -20 0 20 40 60 Ambient Temperature Ta( C) Forward Voltage (V) Fig.4 Relative Luminous Intensity VS. Forward Current 50 Fig.5 Forward Current Derating Curve VS. Ambient Temperature 佰鴻工業股份有限公司 http://www.brtled.com Forward Current(mA) Relative Luminous Intensity (@20mA) ● 2.0 1.0 0.0 0 10 20 30 40 Forward Current(mA) 50 40 30 20 10 0 20 40 60 80 100 120 Ambient Temperature Ta( C) Ver.1.0 Page 3 of 3