BM-10257MD

BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-10257MD ● 1. 2. 3. 4. 5. 6. Features : 1.54 inch (39.10mm) matrix height. Dot size 3.0 mm. Low power requirement. Excellent characters appearance. Solid state reliability. Multiplex drive , column anode com. and row cathode com. ● Package Dimensions : 39.10(1.539) 33.00(1.299) + PIN 1. 22.30(.878) 3.0(.118) 7. 8. 9. Single color available. Categorized for luminous intensity. Stackable vertically and horizontally. 0.50(.02) 7.90(.311) 3.0(.118) MIN. 2.54x6=15.24(.600) ● 1. 2. 3. Description : The BM-10257MD is a 39.10mm (1.54") matrix height 5×7 dot matrix display. This product use green chips, which are made from GaP on GaP substrate. This product have a black face and white dots. 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. ● Internal Circuit Diagram : Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-10257MD ● 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 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 Dot Luminous Intensity Per Dot Reverse Current Per Dot Peak Wave Length Dominant Wave Length Spectral Line Half-width Symbol Condition VF Iv IR λp λd ∆λ IF=10mA IF=10mA VR=5V IF=10mA IF=10mA IF=10mA Min. 569 - Typ. 2.1 8.0 568 30 Max. 2.5 100 574 - Unit V mcd µA nm nm nm Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BM-10257MD ● 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 0 460 490 520 Wavelength(nm) 550 580 610 640 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) 0 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