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| BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-20EG57ND 1. 2. 3. 4. 5. 6. 7. 8. 9. Features : 2.00 inch (53.2mm) matrix height. Dot size 5.0 mm. Low power requirement. Excellent characters appearance. Solid state reliability. Multiplex drive , column cathode com. and row anode com. Multi color available. Categorized for luminous intensity. Stackable vertically and horizontally. Package Dimensions : 1. 2. Description : The BM-20EG57ND is a 53.2mm (2.00") matrix height 5x7 dot matrix display. This product use hi-eff red chips and green chips ,the hi-eff red chips are made from GaAsP on GaP substrate, the green chips are made from GaP on GaP 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 : http://www.brtled.com Ver.2.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-20EG57ND 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 Hi-Eff Red Rating 80 30 150 5 Green Rating 80 30 150 Unit mW mA mA V - -40~80 -40~85 260 For 5 Seconds Electrical And Optical Characteristics(Ta=25) Hi-Eff Red 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. 626 - Typ. 1.9 12.0 640 Max. 2.5 100 636 Unit V mcd A nm nm nm 40 - Green Parameter Forward Voltage Per Dot Symbol Condition VF Iv IR IF=10mA Min. - Typ. 2.1 Max. 2.5 - Unit V mcd A nm nm nm Luminous Intensity Per Dot Reverse Current Per Dot Peak Wave Length http://www.brtled.com IF=10mA VR=5V 12.0 p IF=10mA 568 30 d IF=10mA IF=10mA 567 - 100 Dominant Wave Length Spectral Line Half-width 572 Ver.2.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-20EG57ND Typical Electro-Optical Characteristics Curves (25 Ambient Temperature Unless Otherwise Noted) Fig.1 Relative Radiant Intensity VS. Wavelength (E) (G) 1.0 Relative Radiant Intensity 0.5 0 530 560 590 Wavelength(nm) 620 650 680 710 Relative Luminous Intensity (@20mA) 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 (G) (E) 10 0 1 2 Forward Voltage (V) Fig.4 Relative Luminous Intensity VS. Forward Current (G) (E) 0 -40 Ambient Temperature Ta( C) Fig.5 Forward Current Derating Curve VS. Ambient Temperature -20 0 20 40 60 Relative Luminous Intensity (@20mA) 2.0 50 40 30 1.5 1.0 Forward Current(mA) http://www.brtled.com 20 0.5 0 10 20 30 40 50 10 0 Forward Current(mA) Ambient Temperature Ta( C) 20 40 60 80 100 120 Ver.2.0 Page 3 of 3 |
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