BRIGHT LED ELECTRONICS CORP. BM-21288MD SINCE 1981 ● Features : 1. 2.30 inch (60.20mm) matrix height. 2. Square size 6.1×6.1mm. 3. Low power requirement. 4. Excellent characters appearance. 5. Solid state reliability. 6. Multiplex drive , column anode com. ● Package Dimensions : 45.72(1.800) 60.2(2.370) and row cathode com. 7. Single color available. 8. Categorized for luminous intensity. 9. Stackable vertically and horizontally. 60.2(2.370) 6.1x6.1 (.240x.240) 8.9(.350) 0.5(.020) 3.0(.118) MIN 2.54x7=17.78(.700) ● 1. Description : The BM-21288MD is a 60.20mm (2.30") matrix height 8×8 square matrix display. 2. This product use green chips, which are made from GaP on GaP substrate. 3. This product have a black face and white squares. 4. 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. BM-21288MD SINCE 1981 ● Absolute Maximum Ratings(Ta=25℃) Parameter Symbol Rating Unit Power Dissipation Per Square Pd 80 mW Forward Current Per Square 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 Square Reverse Voltage Per Square ● Electrical And Optical Characteristics(Ta=25℃) Parameter Symbol Condition Min. Typ. Max. Unit Forward Voltage Per Square VF IF=10mA - 2.1 2.5 V Luminous Intensity Per Square Iv IF=10mA - 12.0 - mcd Reverse Current Per Square IR VR=5V - - 100 µA λp IF=10mA - 568 - nm Peak Wave Length 佰鴻工業股份有限公司 http://www.brtled.com Dominant Wave Length λd IF=10mA 569 - 574 nm Spectral Line Half-width ∆λ IF=10mA - 30 - nm Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BM-21288MD 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