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| TLDR4900 Vishay Telefunken High Intensity LED in o 3 mm Clear Package Color Double hetero red Type TLDR4900 Technology GaAlAs on GaAs Angle of Half Intensity o 16 Description This LED contains the double heterojunction (DH) GaAlAs on GaAs technology. This deep red LED can be utilized over a wide range of drive current. It can be DC or pulse driven to achieve desired light output. The device is available in a clear 3 mm package. Features D D D D D D D D Exceptional brightness Very high intensity even at low drive currents Small viewing angle Low forward voltage 3 mm (T-1) untinted non-diffused package Deep red color Categorized for luminous intensity Outstanding material efficiency 96 11676 Applications Bright ambient lighting conditions Battery powered equipment Indoor and outdoor information displays Portable equipment Telecommunication indicators General use Document Number 83002 Rev. A1, 04-Feb-99 www.vishay.de * FaxBack +1-408-970-5600 1 (5) TLDR4900 Vishay Telefunken Absolute Maximum Ratings Tamb = 25_C, unless otherwise specified TLDR4900 Parameter Reverse voltage DC forward current Surge forward current Power dissipation Junction temperature Operating temperature range Storage temperature range Soldering temperature Thermal resistance junction/ambient Test Conditions tp 10 ms Tamb 60C Symbol VR IF IFSM PV Tj Tamb Tstg Tsd RthJA Value 6 50 1 100 100 -20 to +100 -55 to +100 260 400 Unit V mA A mW C C C C K/W t 5 s, 2 mm from body Optical and Electrical Characteristics Tamb = 25_C, unless otherwise specified Double hetero red (TLDR4900 ) Parameter Luminous intensity y Dominant wavelength Peak wavelength Spectral line half width Angle of half intensity Forward voltage Reverse current Junction capacitance Test Conditions IF = 20 mA IF = 1 mA IF = 20 mA IF = 20 mA IF = 20 mA IF = 20 mA IF = 20 mA VR = 6 V VR = 0, f = 1 MHz Type Symbol IV IV Min 63 Typ 200 8 648 650 20 16 1.8 30 Max Unit mcd mcd nm nm nm deg V ld lp Dl VF IR Cj 2.2 10 mA pF Typical Characteristics (Tamb = 25_C, unless otherwise specified) 125 PV - Power Dissipation ( mW ) IF - Forward Current ( mA ) 100 95 10095 60 50 40 30 20 10 0 0 20 40 60 80 0 20 40 60 80 100 Tamb - Ambient Temperature ( C ) Tamb - Ambient Temperature ( C ) 100 75 50 25 0 95 10904 Figure 1 Power Dissipation vs. Ambient Temperature Figure 2 Forward Current vs. Ambient Temperature www.vishay.de * FaxBack +1-408-970-5600 2 (5) Document Number 83002 Rev. A1, 04-Feb-99 TLDR4900 Vishay Telefunken 10000 Tamb IF - Forward Current ( mA ) 1000 tp/T=0.01 0.02 0.05 100 1 10 0.5 0.2 0.1 Iv rel - Relative Luminous Intensity 2.0 DH Red 1.6 v65C 1.2 0.8 0.4 0 1 0.01 95 10047 0.1 1 10 100 95 10015 0 20 40 60 80 100 tp - Pulse Length ( ms ) Tamb - Ambient Temperature ( C ) Figure 3 Forward Current vs. Pulse Length 0 Iv rel - Relative Luminous Intensity 10 20 Figure 6 Rel. Luminous Intensity vs. Ambient Temperature 30 Iv rel - Relative Luminous Intensity 2.4 DH Red 2.0 1.6 1.2 0.8 0.4 IFAV=10mA, const. 0 10 95 10262 40 1.0 0.9 0.8 0.7 50 60 70 80 0.6 0.4 0.2 0 0.2 0.4 0.6 20 0.5 50 0.2 100 0.1 200 0.05 500 0.02 IF(mA) tp/T 95 10044 1 Figure 4 Rel. Luminous Intensity vs. Angular Displacement 100 Iv rel - Relative Luminous Intensity DH Red IF - Forward Current ( mA ) 10 Figure 7 Rel. Lumin. Intensity vs. Forw. Current/Duty Cycle DH Red 1 10 0.1 1 1 95 10014 0.01 1.5 2 2.5 3 95 10016 0.1 1 10 100 VF - Forward Voltage ( V ) IF - Forward Current ( mA ) Figure 5 Forward Current vs. Forward Voltage Figure 8 Relative Luminous Intensity vs. Forward Current Document Number 83002 Rev. A1, 04-Feb-99 www.vishay.de * FaxBack +1-408-970-5600 3 (5) TLDR4900 Vishay Telefunken 1.2 Iv rel - Relative Luminous Intensity DH Red 1.0 0.8 0.6 0.4 0.2 0 600 95 10018 620 640 660 680 700 l - Wavelength ( nm ) Figure 9 Relative Luminous Intensity vs. Wavelength Dimensions in mm 95 10952 www.vishay.de * FaxBack +1-408-970-5600 4 (5) Document Number 83002 Rev. A1, 04-Feb-99 TLDR4900 Vishay Telefunken Ozone Depleting Substances Policy Statement It is the policy of Vishay Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances ( ODSs ). The Montreal Protocol ( 1987 ) and its London Amendments ( 1990 ) intend to severely restrict the use of ODSs and forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban on these substances. Vishay Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use of ODSs listed in the following documents. 1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively 2 . Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental Protection Agency ( EPA ) in the USA 3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C ( transitional substances ) respectively. Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances. We reserve the right to make changes to improve technical design and may do so without further notice. Parameters can vary in different applications. All operating parameters must be validated for each customer application by the customer. Should the buyer use Vishay-Telefunken products for any unintended or unauthorized application, the buyer shall indemnify Vishay-Telefunken against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone: 49 ( 0 ) 7131 67 2831, Fax number: 49 ( 0 ) 7131 67 2423 Document Number 83002 Rev. A1, 04-Feb-99 www.vishay.de * FaxBack +1-408-970-5600 5 (5) |
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