BRIGHT LED ELECTRONICS CORP. BL-B4534-L SINCE 1981 ● Features: ●Package dimensions: 1. Chip material: GaAsP/GaP 2. Emitted color : Hi-Eff Red 5.0(.197) 3. Lens Appearance : Red Diffused 4. Low power consumption. 8.62(.339) 5. High efficiency. 1.0(.04) 6. Versatile mounting on P.C. Board or panel. 7. Low current requirement. 1.5(.059) MAX. 8. T-1 3/4 type package 0.5(.02) SQ. TYP. Cathode substance, compliance ROHS standard. 5.7(.22) 25.4(1.0) MIN. 9. This product don’t contained restriction FLAT DENOTES CATHODE 1.0(.04) MIN. ● Applications: 2.54(.10) NOM. 1. TV set 2. Monitor Notes: 3. Telephone 1. All dimensions are in millimeters (inches). 4. Computer 5. Circuit board 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. ● Absolute Maximum Ratings(Ta=25℃) Parameter Symbol Rating Unit Power Dissipation Pd 14 mW Forward Current IF 7 mA Reverse Voltage VR 5 V Operating Temperature Topr -40℃~80℃ Storage Temperature Tstg -40℃~85℃ Soldering Temperature Tsol 260℃(for 5 seconds) Ver.2.0 Page: 1 of 2 BRIGHT LED ELECTRONICS CORP. BL-B4534-L SINCE 1981 ● Electrical and optical characteristics(Ta=25℃) Parameter Symbol Condition Min. Typ. Max. Unit Forward Voltage VF IF=2mA - 1.8 2.2 V Luminous Intensity Iv IF=2mA - 8.0 - mcd Reverse Current IR VR=5V - - 100 µA Peak Wave Length λp IF=2mA - 640 - nm Dominant Wave Length λd IF=2mA 617 - 638 nm Spectral Line Half-width ∆λ IF=2mA - 45 - nm Viewing Angle 2θ1/2 IF=2mA - 35 - deg ● Typical Electro-Optical Characteristics Curves Fig.2 Forward current derating curve vs. Ambient temperature Fig.1 Relative intensity vs. Wavelength 1.0 60 Forward current(mA) Relative radiant intensity 50 0.5 40 30 20 10 0 540 640 0 740 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 -20 0 20 40 60 Ambient temperature Ta(℃) Forward voltage(V) Fig.5 Relative luminous intensity vs. Forward current Fig.6 Radiation diagram 0 2.0 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(℃) 1.5 1.0 0.5 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