BRIGHT LED ELECTRONICS CORP. BD-E285RE SINCE 1981 ● Features : 1. 0.28 inch (7.0mm) 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. The BD-E285RE is a 7.0mm(0.28") high This product use bright red chips, which are made from GaP on GaP substrate. 3. This product have a black face and red segments. 4. Package Dimensions : Description : dual digit seven segments display. 2. ● 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. This product doesn't contain restriction substance, comply ROHS standard. ● Internal Circuit Diagram : 佰鴻工業股份有限公司 http://www.brtled.com Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. BD-E285RE SINCE 1981 ● Absolute Maximum Ratings(Ta=25℃) Parameter Symbol Rating Unit Power Dissipation Per Segment Pd 40 mW Forward Current Per Segment IF 15 mA IFP (Duty 1/10, 1KHZ) 50 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 - 2.1 2.5 V Luminous Intensity Per Segment Iv IF=10mA - 1.0 - mcd 佰鴻工業股份有限公司 http://www.brtled.com Reverse Current Per Segment IR VR=5V - - 100 µA Peak Wave Length λp IF=10mA - 700 - nm Dominant Wave Length λd IF=10mA 631 - 641 nm Spectral Line Half-width ∆λ IF=10mA - 90 - nm Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BD-E285RE SINCE 1981 Typical Electro-Optical Characteristics Curves (25℃ Ambient Temperature Unless Otherwise Noted) Fig.1 Relative Radiant Intensity VS. Wavelength 0.5 0 550 Forward Current (mA) 50 600 650 Fig.2 Forward Current VS. Forward Voltage 40 30 20 10 0 0 1 2 3 4 700 Wavelength(nm) Relative Luminous Intensity (@20mA) Relative Radiant Intensity 1.0 5 3.0 750 800 850 Fig.3 Relative Luminous Intensity VS. Ambient Temperature 3.0 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 Fig.5 Forward Current Derating Curve VS. Ambient Temperature 25 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 20 15 10 5 0 0 20 40 60 80 100 120 Ambient Temperature Ta( C) Ver.1.0 Page 3 of 3