BRIGHT LED ELECTRONICS CORP. BM-20EG57ND SINCE 1981 ● Features : 1. 2.00 inch (53.2mm) matrix height. 2. Dot size 5.0 mm. 3. Low power requirement. 4. Excellent characters appearance. 5. Solid state reliability. 6. Multiplex drive , column cathode com. ● Package Dimensions : and row anode com. 7. Multi color available. 8. Categorized for luminous intensity. 9. Stackable vertically and horizontally. ● 1. Description : The BM-20EG57ND is a 53.2mm (2.00") matrix height 5×7 dot matrix display. 2. This product use hi-eff red chips and green chips ,the hi-eff red chips are made from GaAsP on GaP substrate, the green chips are made from GaP on GaP substrate. 3. This product have a black face and 4. white dots. This product doesn't contain restriction substance, comply ROHS standard. ● 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. 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. BM-20EG57ND SINCE 1981 ● Absolute Maximum Ratings(Ta=25℃) Symbol Hi-Eff Red Rating Green Rating Unit Power Dissipation Per Dot Pd 80 80 mW Forward Current Per Dot IF 30 30 mA IFP (Duty 1/10, 1KHZ) 150 150 mA Parameter Peak Forward Current Per Dot Reverse Voltage Per Dot ● VR 5 V Operating Temperature Topr -40℃~80℃ - Storage Temperature Tstg -40℃~85℃ - Soldering Temperature (1/16" From Body) Tsol 260℃ For 5 Seconds - Electrical And Optical Characteristics(Ta=25℃) Hi-Eff Red Parameter Symbol Condition Min. Typ. Max. Unit Forward Voltage Per Dot VF IF=10mA - 1.9 2.5 V Luminous Intensity Per Dot Iv IF=10mA - 12.0 - mcd Reverse Current Per Dot 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 Min. Typ. Max. Unit Green Parameter Symbol Condition 佰鴻工業股份有限公司 http://www.brtled.com Forward Voltage Per Dot VF IF=10mA - 2.1 2.5 V Luminous Intensity Per Dot Iv IF=10mA - 12.0 - mcd Reverse Current Per Dot 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.2.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BM-20EG57ND SINCE 1981 Typical Electro-Optical Characteristics Curves (25℃ Ambient Temperature Unless Otherwise Noted) Fig.1 Relative Radiant Intensity VS. Wavelength (E) (G) 0.5 0 530 Forward Current (mA) 50 560 590 Fig.2 Forward Current VS. Forward Voltage 40 (E) 30 20 (G) 10 0 620 Wavelength(nm) Relative Luminous Intensity (@20mA) Relative Radiant Intensity 1.0 1 2 3 4 5 2.0 650 3.0 680 710 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) Relative Luminous Intensity (@20mA) Fig.4 Relative Luminous Intensity VS. Forward Current 50 Fig.5 Forward Current Derating Curve VS. Ambient Temperature 40 佰鴻工業股份有限公司 http://www.brtled.com (G) 1.5 (E) 1.0 0.5 0 10 20 30 40 Forward Current(mA) 50 Forward Current(mA) ● 30 20 10 0 20 40 60 80 100 120 Ambient Temperature Ta( C) Ver.2.0 Page 3 of 3