BRIGHT LED ELECTRONICS CORP. BM-22458ND SINCE 1981 Features : 1. 1.87 inch (47.50mm) 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. and row anode com. 7. Single color available. 8. Categorized for luminous intensity. 9. Stackable vertically and horizontally. Package Dimensions : 47.50(1.870) PIN 1. + 29.60(1.165) 0.50(.020) 2.54x6=15.24(.600) 1. 36.0(1.417) 0.5(.020) 8.70(.343) 3.00(.118)MIN. Description : The BM-22458ND is a 47.50mm (1.87") matrix height 5x8 dot matrix display. 2. This product use Hi-Eff Red chips, which are made from GaAsP on GaP substrate.. 3. This product have a black face and white dots. 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 : http://www.brtled.com Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. BM-22458ND 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 - 1.9 2.5 V Luminous Intensity Per Dot Iv IF=10mA - 10.0 - mcd http://www.brtled.com Reverse Current Per Dot IR VR=5V - - 100 A Peak Wave Length p IF=10mA - 640 - nm Dominant Wave Length d IF=10mA 626 636 nm Spectral Line Half-width IF=10mA - - nm 45 Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BM-22458ND 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 0 560 590 620 650 680 710 740 Wavelength(nm) Relative Luminous Intensity (@20mA) Forward Current (mA) 50 Fig.2 Forward Current VS. Forward Voltage 40 30 20 10 0 0 1 2 3 4 5 Relative Luminous Intensity (@20mA) 2.5 2.0 1.5 1.0 0.5 0 -40 -20 0 20 40 60 Ambient Temperature Ta( C) Forward Voltage (V) 3.0 3.0 Fig.3 Relative Luminous Intensity VS. Ambient Temperature Fig.4 Relative Luminous Intensity VS. Forward Current 50 Fig.5 Forward Current Derating Curve VS. Ambient Temperature Forward Current(mA) http://www.brtled.com 2.0 1.0 0.0 0 10 20 30 40 Forward Current(mA) 50 40 30 20 10 0 0 20 40 60 80 100 120 Ambient Temperature Ta( C) Ver.1.0 Page 3 of 3