Infrared LED L1909 TO-46 type GaAlAs infrared LED Features Applications High radiant output power Automatic control systems Direct modulation possible Optical switches High reliability and long life Mark sensors Optical remote control 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 μs Duty ratio=1% Value 80 5 Unit mA V 1.0 A -30 to +85 -40 to +100* °C °C * Guaranteed to resist temperature cycle test of up to 5 cycles Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the product within the absolute maximum ratings. 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 λp ∆λ VF VFP IR ɸe 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. 870 8 - www.hamamatsu.com Typ. 890 80 1.4 2.8 10 1.0 0.45 0.45 Max. 920 1.5 3.4 5 0.7 0.7 Unit nm nm V V μA mW mW/cm2 μs μs 1 Infrared LED L1909 Emission spectrum (Typ. Ta=25 °C, IF=50 mA) 100 (Typ. Ta=25 °C, tw=100 μs, 0.1%) 1000 80 100 Radiant flux (mW) Relative radiant output (%) Radiant flux vs. forward current 60 40 10 1 20 0 700 800 900 1000 0.1 1 10 Wavelength (nm) 100 1000 Forward current (mA) KLEDB0117EB Forward current vs. forward voltage KLEDB0120EB Directivity (Typ. Ta=25 °C) 20° (Typ. Ta=25 °C, tw=100 μs, 1%) 1000 30° 10° 0° 10° 100 % 20° 30° Forward current (mA) 80% 100 40° 50° 60% 40% 40° 50° 10 60° 70° 1 1.0 1.5 2.0 2.5 60° 20% 70° 80° 80° 90° 90° 3.0 Relative radiant output (%) Forward voltage (V) KLEDB0121EA KLEDB0118EA 2 Infrared LED L1909 Radiant output vs. ambient temperature Allowable forward current vs. ambient temperature (Typ. IF=50 mA) Relative allowable forward current (%) +3 Relative radiant output (dB) +2 +1 0 -1 -2 -3 -4 -5 -40 -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) KLEDB0150EA KLEDB0027EC Allowable forward current vs. duty ratio (Ta=25 °C) Allowable forward current (A) 10 Pulse width=1 μs Pulse width=10 μs 1 Pulse width=100 μs 0.1 0.01 0.01 0.1 1 10 100 Duty ratio (%) KLEDB0038EB 3 Infrared LED L1909 Dimensional outline (unit: mm) 1.12 ± 0.1 ϕ0.45 lead 13.5 2.3 ± 0.3 ϕ5.4 ± 0.1 Clear epoxy resin ϕ4.2 ± 0.1 ϕ2.54 ± 0.2 Common to case KLEDA0009ED Related information www.hamamatsu.com/sp/ssd/doc_en.html Precautions ∙ Disclaimer ∙ Metal, ceramic, plastic products Information described in this material is current as of November, 2015. Product specifications are subject to change without prior notice due to improvements or other reasons. This document has been carefully prepared and the information contained is believed to be accurate. In rare cases, however, there may be inaccuracies such as text errors. Before using these products, always contact us for the delivery specification sheet to check the latest specifications. The product warranty is valid for one year after delivery and is limited to product repair or replacement for defects discovered and reported to us within that one year period. However, even if within the warranty period we accept absolutely no liability for any loss caused by natural disasters or improper product use. Copying or reprinting the contents described in this material in whole or in part is prohibited without our prior permission. www.hamamatsu.com 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 U.S.A.: Hamamatsu Corporation: 360 Foothill Road, Bridgewater, N.J. 08807, 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) 8152-375-0, Fax: (49) 8152-265-8 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: Torshamnsgatan 35 16440 Kista, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01 Italy: Hamamatsu Photonics Italia S.r.l.: Strada della Moia, 1 int. 6, 20020 Arese (Milano), Italy, Telephone: (39) 02-93581733, Fax: (39) 02-93581741 China: Hamamatsu Photonics (China) Co., Ltd.: B1201, Jiaming Center, No.27 Dongsanhuan Beilu, Chaoyang District, Beijing 100020, China, Telephone: (86) 10-6586-6006, Fax: (86) 10-6586-2866 Cat. No. KLED1014E02 Nov. 2015 DN 4