BRIGHT LED ELECTRONICS CORP. BL-B4634 SINCE 1981 ● Features: ● Package dimensions: 1. Chip material: GaAsP/GaP 2. Emitted color : Hi-Eff Red 3. Lens Appearance : Red Trans 4. Low power consumption. 5. High efficiency. 6. Versatile mounting on P.C. Board or panel. 7. Low current requirement. 8. T-1 3/4 type package 9. This product don’t contained restriction substance, compliance ROHS standard. ● Applications: Notes: 1. TV set 2. Monitor 1. All dimensions are in millimeters (inches). 3. Telephone 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. 4. Computer 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-B4634 SINCE 1981 ● Electrical and optical characteristics(Ta=25℃) Parameter Symbol Condition Min. Typ. Max. Unit Forward Voltage VF IF=20mA - 2.0 2.6 V Luminous Intensity Iv IF=20mA - 200 - mcd Reverse Current IR VR=5V - - 100 µA Peak Wave Length λp IF=20mA - 640 - nm Dominant Wave Length λd IF=20mA 617 - 638 nm Spectral Line Half-width ∆λ IF=20mA - 40 - nm Viewing Angle 2θ1/2 IF=20mA - 12 - 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