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| LED Infrared LED L2388 series TO-46 style GaAs infrared LED Features Applications l High radiant output power l High reliability l Optical switches l Automatic control systems l Auto-focus s Absolute maximum ratings (Ta=25 C) Parameter Forward current Reverse voltage Pulse forward current Operating temperature Storage temperature Symbol IF VR IFP Topr Tstg Condition Value 80 5 1.0 -30 to +85 -40 to +100 * Unit mA V A C C Pulse width=10 s Duty ratio=1 % * L2388 is guaranteed to resist temperature cycle test of up to 5 cycles. s Electrical and optical characteristics (Ta=25 C) Parameter Peak emission wavelength Spectral half width Forward voltage Pulse forward voltage Reverse current Radiant flux Radiant illuminance Rise time Fall time Symbol p VF VFP IR e PE tr tf Condition IF=50 mA IF=50 mA IF=50 mA IF=1.0 A VR=5 V IF=50 mA IF=50 mA IF=50 mA, 10 to 90 % IF=50 mA, 90 to 10 % Min. 920 4.5 L2388 Typ. 945 45 1.3 2.3 6.0 0.6 1.2 1.3 Max. 970 1.4 2.9 5 2.0 2.0 Min. 920 2.6 L2388-01 Typ. 945 45 1.3 2.3 3.4 1.4 1.2 1.3 Max. 970 1.4 2.9 5 2.0 2.0 Unit nm nm V V A mW mW/cm2 s s Infrared LED s Emission spectrum 100 (Typ. Ta=25 C, IF=50 mA) L2388 series (Typ. Ta=25 C, tw=100 s, 0.1 %) s Radiant flux vs. forward current (Typ. Ta=25 C, tw=100 s, 0.1 %) 1000 s Forward current vs. forward voltage 1000 RELATIVE RADIANT OUTPUT (%) RADIANT FLUX (mW) 100 FORWARD CURRENT (mA) 80 100 60 L2388 10 40 L2388-01 1 10 20 0 800 0.1 900 1000 1100 1 10 100 1000 1 1.0 1.5 2.0 2.5 WAVELENGTH (nm) KLEDB0122EA FORWARD CURRENT (mA) KLEDB0209EA FORWARD VOLTAGE (V) KLEDB0210EA s Directivity (Typ. Ta=25 C) 20 10 0 100 % 30 80 % L2388 30 10 20 s Radiant output vs. ambient temperature (Typ. IF=50 mA) +3 s Allowable forward current vs. ambient temperature (Typ.) RELATIVE ALLOWABLE FORWARD CURRENT (%) RELATIVE RADIANT OUTPUT (dB) +2 +1 0 -1 -2 -3 -4 -5 -40 100 80 40 60 % L2388-01 40 60 50 60 70 80 90 40 % 50 60 40 20 % 70 80 90 20 0 -40 -20 0 20 40 60 80 100 -20 0 20 40 60 80 100 RELATIVE RADIANT OUTPUT (%) KLEDB0123EA AMBIENT TEMPERATURE (C) KLEDB0211EA AMBIENT TEMPERATURE (C) KLEDB0027EB s Allowable forward current vs. duty ratio 10 (Typ. Ta=25 C) s Dimensional outlines (unit: mm) L2388 2.3 0.3 5.4 0.1 CLEAR EPOXY RESIN 4.2 0.1 L2388-01 5.4 0.2 4.65 0.1 ALLOWABLE FORWARD CURRENT (A) 1 PULSE WIDTH=10 s PULSE WIDTH=100 s 0.1 1.12 0.1 2.54 0.2 0.45 LEAD 2.54 0.2 0.01 0.01 0.1 1 10 100 DUTY RATIO (%) KLEDB0038EA COMMON TO CASE COMMON TO CASE KLEDA0009ED 13.5 0.45 LEAD 13.5 4.5 0.2 6.65 0.2 KLEDA0052EB Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. (c)2001 Hamamatsu Photonics K.K. HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, http://www.hamamatsu.com U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658 France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777 North Europe: Hamamatsu Photonics Norden AB: Smidesvagen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01 Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741 Cat. No. KLED1012E01 Apr. 2001 DN |
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