BRIGHT LED ELECTRONICS CORP. BB-B3174 SINCE 1981 ● Features: ●Package dimensions 1. Chip material: GaAsP /GaP 5.0(.197) 2. Emitted color : Yellow 3. Lens Appearance : Yellow diffused 4. Pulse Rate 2.4 Hz (VDD=5V) 5. Operating Voltage：5V~12V (DC) 6. Easily be driven by TTL & C-MOS 8.6(.339) 1.0(.04) 1.5(.059) MAX. circuit no external circuit needed 5.7(.22) 25.4(1.0) MIN. 8. This product don’t contained restriction 0.5(.02) SQ. TYP. substance, compliance ROHS standard. Cathode 7. Long life solid state reliability. 1.0(.04) MIN. FLAT DENOTES CATHODE 2.54(.10) NOM. Notes: 1. All dimensions are in millimeters (inches). ● Applications: 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. 1. TV set 2. Monitor 3. Telephone 4. Computer 5. Circuit board ● Absolute maximum ratings(Ta=25℃) Parameter Symbol Rating Unit Operating Voltage VO 12(max) V Reverse Voltage VR 5(max) 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. BB-B3174 SINCE 1981 ● Electrical and optical characteristics(Ta=25℃) Parameter Symbol Condition Min. Typ. Max. Unit Pulse Rate Pd VDD=5V - 2.4 2.8 Hz Luminous Intensity Iv IF=25mA - 35 - mcd 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 - 45 - 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