BRIGHT LED ELECTRONICS CORP. BA-12Y3UD SINCE 1981 Emitting area : 4.0×1.5×12（mm） 2. Low power requirement. 3. Excellent characters appearance. 4. Solid state reliability. 5. Categorized for luminous intensity. 6. Universal pin out. Package Dimensions : 4.30x11=47.30(1.862) 4.00(.157) Y Y Y Y Y Y Y Y Y 0.50(.020) 8.00(.315) The BA-12Y3UD is 12 bar graph This product use yellow chips, which are made from GaAsP on GaP substrate. 3. 3.00(.118) MIN. Description : array display. 2. Y 58.00(2.283) 2.54x20=50.80(2.00) 1. Y 1.60(.063) 56.00(2.205) 0.50 (.020) ● Y 7.00(.276) 1. ● 5.00(.197) Features : 1.50(.059) ● This product have a black face and 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. white segments. 4. This product doesn't contain restriction substance, comply ROHS standard. ● Internal Circuit Diagram : 佰鴻工業股份有限公司 http://www.brtled.com Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. BA-12Y3UD SINCE 1981 ● Absolute Maximum Ratings(Ta=25℃) Parameter Symbol Rating Unit Power Dissipation Per Segment Pd 80 mW Forward Current Per Segment IF 30 mA IFP (Duty 1/10, 1KHZ) 150 mA VR 5 V Operating Temperature Topr -40℃~80℃ - Storage Temperature Tstg -40℃~85℃ - Soldering Temperature (1/16" From Body) Tsol 260℃ For 5 Seconds - Peak Forward Current Per Segment Reverse Voltage Per Segment ● Electrical And Optical Characteristics(Ta=25℃) Parameter Symbol Condition Min. Typ. Max. Unit Forward Voltage Per Segment Vf IF=10mA - 2.0 2.5 V Luminous Intensity Per Segment Iv IF=10mA - 3.5 - mcd Reverse Current Per Segment IR VR=5V - - 100 µA Peak Wave Length λp IF=10mA - 589 - nm Dominant Wave Length λd IF=10mA 586 - 594 nm Spectral Line Half-width ∆λ IF=10mA - 35 - nm 佰鴻工業股份有限公司 http://www.brtled.com Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BA-12Y3UD SINCE 1981 Typical Electro-Optical Characteristics Curves (25℃ Ambient Temperature Unless Otherwise Noted) Fig.1 Relative Radiant Intensity VS. Wavelength Relative Radiant Intensity 1.0 0.5 0 500 530 560 Fig.2 Forward Current VS. Forward Voltage 40 30 20 10 0 1 2 3 4 Forward Voltage (V) 5 620 3.0 650 680 Fig.3 Relative Luminous Intensity VS. Ambient Temperature 2.5 2.0 1.5 1.0 0.5 0 -40 -20 0 20 40 60 Ambient Temperature Ta( C) Fig.4 Relative Luminous Intensity VS. Forward Current 50 Forward Current(mA) 3.0 590 Wavelength(nm) Relative Luminous Intensity (@20mA) Forward Current (mA) 50 Relative Luminous Intensity (@20mA) ● Fig.5 Forward Current Derating Curve VS. Ambient Temperature 40 佰鴻工業股份有限公司 http://www.brtled.com 2.0 1.0 0 10 20 30 40 Forward Current(mA) 50 30 20 10 0 20 40 60 80 100 120 Ambient Temperature Ta( C) Ver.1.0 Page 3 of 3