BRIGHT LED ELECTRONICS CORP. BD-E40DRD SINCE 1981 Features : 1. 0.40 inch (10.16mm) 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. Package Dimensions : 5.90(.232) 10 10.16(.400) 16.00(.630) 20.20(.795) 1. Description : This product use super red chips, which are made from AlGaAs on GaAs substrate. 3. 3.0(.118)MIN. 2.54(.100) The BD-E40DRD is a 10.16mm (0.40") high dual digit seven segments display. 2. 1.3(.051) 6.90(.272) 0.50(.020) 12.70(.500) This product have a black face and 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. white segments. Internal Circuit Diagram : http://www.brtled.com Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. BD-E40DRD 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 - 1.7 2.5 V Luminous Intensity Per Segment Iv IF=10mA - 7.5 - mcd Reverse Current Per Segment IR VR=5V - - 100 A Peak Wave Length p IF=10mA - 660 - nm Dominant Wave Length d IF=10mA 638 - 648 nm Spectral Line Half-width IF=10mA - 20 - nm http://www.brtled.com Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BD-E40DRD 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 0 570 600 630 660 690 720 750 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 3.0 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 http://www.brtled.com Forward Current(mA) Relative Luminous Intensity (@20mA) 2.0 1.0 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