BA-3S12UW

BRIGHT LED ELECTRONICS CORP. SINCE 1981 BA-3S12UW ● 1. 2. 3. 4. 5. Features : Emitting area : 18.78×5.85（mm） Low power requirement. Excellent characters appearance. Solid state reliability. Categorized for luminous intensity. ● Package Dimensions : ● 1. Description : The BA-3S12UW have uniform emitting light. 2. This product use super red chips, which are made from GaAlAs on GaAs substrate.. 3. 4. This product have a white face and white segments. This product doesn't contain restriction substance, comply ROHS standard. 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.2.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BA-3S12UW ● Absolute Maximum Ratings(Ta=25℃) Parameter Power Dissipation Per Segment Forward Current Per Segment Peak Forward Current Per Segment Reverse Voltage Per Segment Operating Temperature Storage Temperature Soldering Temperature (1/16" From Body) Symbol Pd IF IFP (Duty 1/10, 1KHZ) VR Topr Tstg Tsol Rating 80 15 50 5 -40℃~80℃ -40℃~85℃ 260℃ For 5 Seconds Unit mW mA mA V - ● Electrical And Optical Characteristics(Ta=25℃) Parameter Forward Voltage Per Segment Luminous Intensity Per Segment Reverse Current Per Segment 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. 638 - Typ. 1.7 12.0 660 Max. 2.5 100 648 Unit V mcd µA nm nm nm 20 - Ver.2.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BA-3S12UW ● 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 0 540 570 600 Wavelength(nm) 630 660 690 720 Relative Luminous Intensity (@20mA) 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 1 2 3 4 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) 2.0 50 40 30 20 10 0 1.5 1.0 0.5 0 10 20 30 40 50 Forward Current(mA) 20 40 60 80 100 120 Forward Current(mA) Ambient Temperature Ta( C) Ver.2.0 Page 3 of 3