BL-R4539A

BRIGHT LED ELECTRONICS CORP. SINCE 1981 BL-R4539A ● Features: 1. Chip material: GaAsP/GaP 2. Emitted color : Hi-Eff Red 3. Lens Appearance : Red Diffused 4. Low power consumption. 5. Most suitable for use like level indicator. 6. Excellent uniformity of light emittance. 7. Long life solid state reliability. 8. Compatible. 9. This product don’t contained restriction substance, compliance ROHS standard. ● Package dimensions: 6.8(.268) 2.3(.091) 7.8(.307) 1.5(.059) MAX. 25.4(1.00) MIN. Cathode 0.5(.020) SQ.TYP. 6.9(.272) 2.4(.094) 2.54(.10) NOM. 1.0(.039) MIN. ● Applications: 1. TV set 2. Monitor 3. Telephone 4. Computer 5. Circuit board Notes: 1. All dimensions are in millimeters (inches). 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 Power Dissipation Forward Current Peak Forward Current* Reverse Voltage Operating Temperature Storage Temperature Soldering Temperature 1 Symbol Pd IF 1 Rating 80 30 150 5 -40℃~80℃ -40℃~85℃ 260℃(for 5 seconds) Unit mW mA mA V IFP VR Topr Tstg Tsol * Condition for IFP is pulse of 1/10 duty and 0.1msec width. Ver.1.0 Page: 1 of 2 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BL-R4539A Unit V mcd µA nm nm nm deg ● Electrical and optical characteristics(Ta=25℃) Parameter Symbol Condition Forward Voltage Luminous Intensity Reverse Current Peak Wave Length Dominant Wave Length Spectral Line Half-width Viewing Angle VF Iv IR λp λd ∆λ 2θ1/2 IF=20mA IF=20mA VR=5V IF=20mA IF=20mA IF=20mA IF=20mA Min. 617 - Typ. 2.0 7.0 640 45 130 Max. 2.6 100 638 - ● Typical Electro-Optical Characteristics Curves Fig.1 Relative intensity vs. Wavelength 1.0 60 Fig.2 Forward current derating curve vs. Ambient temperature 50 Relative radiant intensity Forward current(mA) 40 0.5 30 20 10 0 540 640 740 0 20 40 60 80 100 Wavelength λ(nm) Ambient temperature Ta(℃) Fig.3 Forward current vs. Forward voltage 50 3.0 Fig.4 Relative luminous intensity vs. Ambient temperature 40 Relative luminous intensity 2.5 Forward current(mA) 2.0 30 1.5 20 1.0 10 0.5 0 1 2 3 4 5 0 -40 -20 0 20 40 60 Forward voltage(V) Ambient temperature Ta(℃) Fig.5 Relative luminous intensity vs. Forward current 2.0 Fig.6 Radiation diagram 0 10 20 30 Relative luminous intensity(@20mA) 1.5 Relative radiant intensity 1.0 40 1.0 0.9 0.8 50 60 70 0.5 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