BRIGHT LED ELECTRONICS CORP. BL-C3131A SINCE 1981 ● Features: ● Package dimensions: 1. Chip material: GaAsP/GaP 2. Emitted color : Yellow 4.9(.193) 3. Lens Appearance : Yellow Diffused 4. Cylindrical shape. 6.8(.267) 5. Low power consumption. 6. Compatible 7. Long life solid state reliability. 1.5(.059) MAX. 8. This product don’t contained restriction 25.4(1.00) MIN. 0.5(.02) SQ. TYP. Cathode substance, compliance ROHS standard. ● Applications: 5.0(.197) 1.0(.039) MIN. 2.54(.10) NOM. 1. TV set 2. Monitor 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.1.0 Page: 1 of 2 BRIGHT LED ELECTRONICS CORP. BL-C3131A 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 - 5.0 - mcd Reverse Current IR VR=5V - - 100 µA Peak Wave Length λp IF=20mA - 585 - nm Dominant Wave Length λd IF=20mA 582 - 595 nm Spectral Line Half-width ∆λ IF=20mA - 35 - nm Viewing Angle 2θ1/2 IF=20mA - 140 - 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.1.0 Page: 2 of 2