BRIGHT LED ELECTRONICS CORP. BM-08K88MD SINCE 1981 ● Features : 1. 0.8 inch (20.20mm) matrix height. 2. Dot size 1.90mm. 3. Low power requirement. 4. Excellent characters appearance. 5. Solid state reliability. 6. Multiplex drive , column anode com. ● Package Dimensions : 20.20(.795) 20.20(.795) and row cathode com. 7. Single color available. 8. Categorized for luminous intensity. 9. Stackable vertically and horizontally. ● 1. 5.9(.230) 0.50(.020) 2.50x7=17.5(.689) 3.00(.118)MIN. The BM-08K88MD is a 20.20mm(0.8") This product use super yellow chips, which are made from AlGaInP on GaAs substrate. 3. 1.9(.075) Description : matrix height 8×8 dot matrix display. 2. 15.0(.590) 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 dots. 4. 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. BM-08K88MD SINCE 1981 ● Absolute Maximum Ratings(Ta=25℃) Parameter Symbol Rating Unit Power Dissipation Per Dot Pd 80 mW Forward Current Per Dot 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 Dot Reverse Voltage Per Dot ● Electrical And Optical Characteristics(Ta=25℃) Parameter Symbol Condition Min. Typ. Max. Unit Forward Voltage Per Dot VF IF=10mA - 2.1 2.5 V Luminous Intensity Per Dot Iv IF=10mA - 20.0 - mcd Reverse Current Per Dot IR VR=5V - - 100 µA 佰鴻工業股份有限公司 http://www.brtled.com Peak Wave Length λp IF=10mA - 590 - nm Dominant Wave Length λd IF=10mA 582 - 592 nm Spectral Line Half-width ∆λ IF=10mA - 15 - nm Ver.2.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BM-08K88MD 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 0 500 530 560 Fig.2 Forward Current VS. Forward Voltage 40 30 20 10 0 590 Wavelength(nm) Relative Luminous Intensity (@20mA) Forward Current (mA) 50 1 2 3 4 5 3.0 620 3.0 650 680 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 10 20 30 40 Forward Current(mA) 50 40 30 20 10 0 20 40 60 80 100 120 Ambient Temperature Ta( C) Ver.2.0 Page 3 of 3