PREVIOUS DATA LED Infrared LED L6437 series High radiant output GaAs LED with position reference hole Features Applications l Lead frame package with position reference hole l Small package l High radiant output power l Auto-focus l Optical switch Absolute maximum ratings (Ta=25 C) Parameter Forward current Reverse voltage Symbol IF VR Pulse forward current IFP Operating temperature Storage temperature Topr Tstg Condition Pulse width=10 s Duty ratio=1 % Value 65 5 Unit mA V 1.0 A -25 to +80 -30 to +100 C C 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 7.0 - Typ. 945 60 1.35 2.5 10.0 0.5 2.0 1.0 Max. 970 1.45 3.1 20 3.0 2.0 Unit nm nm V V A mW mW/cm2 s s 1 Infrared LED Emission spectrum Radiant flux vs. forward current (Typ. Ta=25 C, tw=100 s, 0.1 %) (Typ. Ta=25 C, IF=50 mA) 100 1000 80 RADIANT FLUX (mW) RELATIVE RADIANT OUTPUT (%) L6437 series 60 40 100 10 1 20 0 800 900 1000 0.1 0.1 1100 1 WAVELENGTH (nm) 10 100 1000 FORWARD CURRENT (mA) KLEDB0181EA Forward current vs. forward voltage KLEDB0182EA Directivity (Typ. Ta=25 C) (Typ. Ta=25 C, tw=100 s, 1 %) FORWARD CURRENT (mA) 1000 30 20 10 0 10 30 20 100 % 40 80 % 40 50 60 % 50 60 40 % 60 100 10 70 70 20 % 1 1.0 1.5 2.0 2.5 80 80 90 90 3.0 RELATIVE RADIANT OUTPUT (%) FORWARD VOLTAGE (V) KLEDB0183EA Radiant output vs. ambient temperature (Typ.) RELATIVE ALLOWABLE FORWARD CURRENT (%) RELATIVE RADIANT OUTPUT (dB) +1 0 -1 -2 -3 -4 -20 0 20 40 60 80 100 AMBIENT TEMPERATURE (C) 100 80 60 40 20 0 -40 -20 0 20 40 60 80 100 AMBIENT TEMPERATURE (C) KLEDB0184EA 2 Allowable forward current vs. ambient temperature (Typ. IF=50 mA) +2 -5 -40 KLEDB0071EB KLEDB0027EB Infrared LED L6437 series Allowable forward current vs. duty ratio (Typ. Ta=25 C) ALLOWABLE FORWARD CURRENT (mA) 10000 PULSE WIDTH=1 s 1000 PULSE WIDTH=10 s PULSE WIDTH=100 s 100 10 0.01 0.1 1 10 100 DUTY RATIO (%) KLEDB0290EA Dimensional outlines (unit: mm) 4.0 0.1 7.9 0.3 0.25 10 1.95 0.4 1.5 0.4 1.8 0.1 1.95 0.4 NC CATHODE ANODE NC CATHODE CATHODE 4.0 0.1 1.95 0.4 7.9 0.3 7.0 0.3 0.7 0.3 0.7 0.3 10 4.8 0.1 5 10 4.7 0.1 1.77 4.8 0.1 5 10 4.7 0.1 1.905 1.905 0.9+0.06 -0 (REFERENCE HOLE) 1.5 0.4 R0.4+0.03 -0 0.8 0.1 0.8 0.1 1.8 0.1 NC CATHODE ANODE NC CATHODE CATHODE 0.25 5 5 0.1 0.1 1.95 0.4 0.9 -0 (REFERENCE HOLE) 0.25 (1.25) (1.25) 5.0 0.2 (INCLUDING BURR) 1.77 +0.06 +0.03 R0.4 -0 5.0 0.2 (INCLUDING BURR) 4.1 0.2 (INCLUDING BURR) 0.8+0.06 -0 6.0 0.06 4.1 0.2 (INCLUDING BURR) 0.5 6.0 0.06 0.5 L6437-01 0.8+0.06 -0 1.905 1.905 L6437 KLEDA0031EB KLEDA0062EA 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)2006 Hamamatsu Photonics K.K. HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (81) 53-434-3311, Fax: (81) 53-434-5184, 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.: 19, 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. KLED1027E02 Jun. 2006 DN 3