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| BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-40658MD 1. 2. 3. 4. 5. 6. 7. 8. 9. Features : 4.78 inch (121.50mm) matrix height. Dot size 10.0 mm. Low power requirement. Excellent characters appearance. Solid state reliability. Multiplex drive , column anode com. and row cathode com. Single color available. Categorized for luminous intensity. Stackable vertically and horizontally. Package Dimensions : 121.50(4.783) 91.40(3.598) PIN 1. + 75.80(2.984) 10.0(.394) 0.80(.031) 5.08x6=30.48(1.200) 13.30(.524) 3.00(.118) MIN. 1. 2. Description : The BM-40658MD is a 121.5mm (4.78") matrix height 5x8 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 : 1.1 Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-40658MD 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 160 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 Spectral Line Half-width Symbol Condition VF Iv IR p d IF=10mA IF=10mA VR=5V IF=10mA IF=10mA IF=10mA Min. - Typ. 3.4 20 660 643 20 Max. 5.0 100 - Unit V mcd A nm nm nm Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-40658MD 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 30 20 10 0 2.0 1.0 0.0 Forward Current(mA) 10 20 30 40 50 20 40 60 80 100 120 Forward Current(mA) Ambient Temperature Ta( C) Ver.1.0 Page 3 of 3 |
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