BM-20688ND

BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-20688ND ● 1. 2. 3. 4. 5. 6. 7. 8. 9. Features : 2.30 inch (60.20mm) matrix height. Dot size 5.00mm. Low power requirement. Excellent characters appearance. Solid state reliability. Multiplex drive , column cathode com. and row anode com. Single color available. Categorized for luminous intensity. Stackable vertically and horizontally. ● Package Dimensions : 60.20(2.370) 45.72(1.800) 60.20(2.370) 5.0(.197) 0.50(.020) 2.54x7=17.78(.700) 9.2(.362) 3.0(.118) MIN. ● 1. 2. Description : The BM-20688ND is a 60.20mm (2.3") matrix height 8×8 dot matrix display. This product use super red chips, which are made from AlGaAs on GaAs substrate. 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. 3. 4. This product have a black face and white dots. 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.2.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-20688ND ● Absolute Maximum Ratings(Ta=25℃) Parameter Power Dissipation Per Dot Forward Current Per Dot Peak Forward Current Per Dot Reverse Voltage Per Dot Operating Temperature Storage Temperature Soldering Temperature (1/16" From Body) Symbol Pd IF IFP (Duty 1/10, 1KHZ) VR Topr Tstg Tsol Rating 80 30 150 5 -40℃~80℃ -40℃~85℃ 260℃ For 5 Seconds Unit mW mA mA V - ● Electrical And Optical Characteristics(Ta=25℃) Parameter Forward Voltage Per Dot Luminous Intensity Per Dot Reverse Current Per Dot Peak Wave Length Dominant Wave Length Symbol Condition VF Iv IR λp λd IF=10mA IF=10mA VR=5V IF=10mA IF=10mA Min. - Typ. 1.7 17.0 660 643 20 Max. 2.5 100 - Unit V mcd µA nm nm nm Spectral Line Half-width 佰鴻工業股份有限公司 http://www.brtled.com ∆λ IF=10mA - Ver.2.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-20688ND ● Typical Electro-Optical Characteristics Curves (25℃ Ambient Temperature Unless Otherwise Noted) Fig.1 Relative Radiant Intensity VS. Wavelength 1.0 Relative Radiant Intensity 0.5 0 570 600 630 Wavelength(nm) 660 690 720 750 Relative Luminous Intensity (@20mA) 1 2 3 4 5 50 Fig.2 Forward Current VS. Forward Voltage 3.0 2.5 2.0 1.5 1.0 0.5 Fig.3 Relative Luminous Intensity VS. Ambient Temperature Forward Current (mA) 40 30 20 10 0 Forward Voltage (V) Fig.4 Relative Luminous Intensity VS. Forward Current 0 -40 Ambient Temperature Ta( C) Fig.5 Forward Current Derating Curve VS. Ambient Temperature -20 0 20 40 60 Relative Luminous Intensity (@20mA) 3.0 50 40 2.0 Forward Current(mA) 1.0 佰鴻工業股份有限公司 http://www.brtled.com 30 20 10 0 10 20 30 40 50 20 40 60 80 100 120 0.0 Forward Current(mA) Ambient Temperature Ta( C) Ver.2.0 Page 3 of 3