BRIGHT LED ELECTRONICS CORP. BL-S3149 SINCE 1981 ● Features: ●Package dimensions: 1. Chip material: GaAsP/GaP 3.7(.146) 2. Emitted color : Super Yellow 2.0(.079) 3. Lens Appearance : Yellow Diffused 2.5(.098) 4. General purpose leads. 5. Low power consumption. 2.9(.114) 6. Compatible/ low current requirements 7. Reliable and rugged. 1.5(.059) MAX. 8. This product don’t contained restriction 25.4(1.00) MIN. Cathode substance, compliance ROHS standard. 0.5(.02) SQ. 3.9(.154) 2.0(.079) TYP. ● Applications: 2.54(.100) 1.0(.039) 1. TV set NOM. 2. Monitor MIN. Notes: 3. Telephone 1. All dimensions are in millimeters (inches). 4. Computer 2. Tolerance is ±0.25mm (0.01”) unless otherwise specified. 3. Lead spacing is measured where the leads emerge from the package. 4. Specifications are subject to change without notice. 5. Circuit board ● Absolute Maximum Ratings(Ta=25℃) Parameter Symbol Rating Unit Power Dissipation Pd 80 mW Forward Current IF 30 mA Peak Forward Current*1 IFP 150 mA Reverse Voltage VR 5 V Operating Temperature Topr -40℃~80℃ Storage Temperature Tstg -40℃~85℃ Soldering Temperature Tsol 260℃(for 5 seconds) *1Condition for IFP is pulse of 1/10 duty and 0.1msec width. Ver.2.0 Page: 1 of 2 BRIGHT LED ELECTRONICS CORP. BL-S3149 SINCE 1981 ● Electrical and optical characteristics(Ta=25℃) Parameter Symbol Condition Min. Typ. Max. Unit Forward Voltage VF IF=20mA - 2.1 2.6 V Luminous Intensity Iv IF=20mA - 7.0 - mcd Reverse Current IR VR=5V - - 100 µA Peak Wave Length λp IF=20mA - 585 - nm Dominant Wave Length λd IF=20mA 582 - 592 nm Spectral Line Half-width ∆λ IF=20mA - 35 - nm Viewing Angle 2θ1/2 IF=20mA - 120 - deg ● Typical Electro-Optical Characteristics Curves Fig.1 Relative intensity vs. Wavelength Fig.2 Forward current derating curve vs. Ambient temperature 1.0 60 Forward current(mA) Relative radiant intensity 50 0.5 40 30 20 10 0 535 585 0 635 20 Wavelength λ(nm) Fig.3 Forward current vs. Forward voltage Relative luminous intensity Forward current(mA) 80 100 3.0 40 30 20 10 1 2 3 4 2.5 2.0 1.5 1.0 0.5 0 -40 5 Forward voltage(V) -20 0 40 20 60 Ambient temperature Ta(℃) Fig.5 Relative luminous intensity vs. Forward current Fig.6 Radiation diagram 0 4.0 10 20 30 Relative radiant intensity Relative luminous intensity(@20mA) 60 Fig.4 Relative luminous intensity vs. Ambient temperature 50 0 40 Ambient temperature Ta(℃) 3.0 2.0 1.0 1.0 40 0.9 50 0.8 60 70 0.7 80 90 0 10 20 30 40 50 0.5 0.3 0.1 0.2 0.4 0.6 Forward current (mA) Ver.2.0 Page: 2 of 2