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| BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-21F57MD 1. 2. 3. 4. 5. 6. Features : 2.094 inch (53.19mm) matrix height. Square size 6.1x6.1mm. Low power requirement. Excellent characters appearance. Solid state reliability. Multiplex drive , column anode com. and row cathode com. Package Dimensions : 12.19(.480) 38.10(1.5)MAX. R0.50(.020) 3.3(.130) 2.54(.100)TYP. 53.19(2.094) 45.72(1.80) 38.1(1.50) 30.48(1.20) PIN.1 5.08x5.08 (.200x.200) 0.5 0.076 (.020 .003) 1.6(.063) 7. 8. 9. Single color available. Categorized for luminous intensity. Stackable vertically and horizontally. 2.54x6=15.24(.60) 1. 2. Description : The BM-21F57MD is a 53.19mm (2.094") Notes: matrix height 5x7 square matrix display. 1. All dimensions are in millimeters(inches). 2. Tolerance is 0.25mm(.01")unless otherwise This product use super red chips, specified. 3. Specifications are subject to change without which are made from AlGaAs on GaAs notice. substrate. This product have a black face and white squares. This product doesn't contain restriction substance, comply ROHS standard. 3. 4. Internal Circuit Diagram : http://www.brtled.com Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-21F57MD Absolute Maximum Ratings(Ta=25) Parameter Power Dissipation Per Square Forward Current Per Square Peak Forward Current Per Square Reverse Voltage Per Square 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 Square Luminous Intensity Per Square Reverse Current Per Square Peak Wave Length Dominant Wave Length Symbol Condition VF Iv IR p d IF=10mA IF=10mA VR=5V IF=10mA IF=10mA Min. 638 - Typ. 1.7 22.0 660 - Max. 2.5 100 648 - Unit V mcd A nm nm nm Spectral Line Half-width http://www.brtled.com IF=10mA 20 Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-21F57MD 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 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.1.0 Page 3 of 3 |
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