BRIGHT LED ELECTRONICS CORP. BR-B21V1-12V SINCE 1981 ● Features: ● Package Dimensions: 1. Chip material: GaP/GaP 2. Emitted color : Green 3. Lens Appearance : Green Diffused 4. For DC and pulse operation. 5. With current limiting resistor for 12V 6. TTL & CMOS compatible. 7. 3mm diameter package. 8. Internal Resistor 800Ω 9. This product don’t contained restriction substance, compliance ROHS standard. ● Applications: 1. TV set Notes: 2. Monitor 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 Peak Forward Current*1 IFP 150 mA 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. BR-B21V1-12V SINCE 1981 ● Electrical and optical characteristics(Ta=25℃) Parameter Symbol Condition Min. Typ. Max. Unit Forward Current IF VF=12V - 8 12 mA Luminous Intensity Iv VF=12V - 20 - mcd Peak Wave Length λp VF=12V - 568 - nm Dominant Wave Length λd VF=12V 560 - 576 nm Spectral Line Half-width ∆λ VF=12V - 30 - nm Viewing Angle 2θ1/2 VF=12V - 35 - 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 0 520 570 0 620 20 Wavelength λ (nm) Fig.3 Forward current vs. Forward voltage Relative luminous intensity Forward current(mA) 100 80 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 40 20 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