Infrared LED L2656 series High power GaAlAs infrared LED Features Applications High radiant output power Optical switches High reliability Automatic control system 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 Value 80 5 Unit mA V 1.0 A -30 to +85 -40 to +100* °C °C Pulse width=10 μs Duty ratio=1% * 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 A VR=5 V IF=50 mA IF=50 mA IF=50 mA, 10 to 90% IF=50 mA, 90 to 10% Min. 870 13 - L2656 Typ. 890 50 1.45 3.4 15 1.7 0.45 0.45 www.hamamatsu.com Max. 920 1.6 4.0 5 0.7 0.7 Min. 870 7.5 - L2656-03 Typ. 890 50 1.45 3.4 9 4.4 0.45 0.45 Max. 920 1.6 4.0 5 0.7 0.7 Unit nm nm V V μA mW mW/cm2 μs μs 1 Infrared LED L2656 series Emission spectrum Radiant flux vs. forward current (Typ. Ta=25 °C, IF=50 mA) (Typ. Ta=25 °C, tw=100 μs, 0.1%) 1000 80 Radiant flux (mW) Relative radiant output (%) 100 60 40 100 L2656 L2656-03 10 20 0 700 800 900 1000 1 1 10 Wavelength (nm) 100 1000 Forward current (mA) KLEDB0201EA Forward current vs. forward voltage KLEDB0142EB Directivity (Typ. Ta=25 °C) 20° (Typ. Ta=25 °C, tw=100 μs, 0.1%) 1000 Forward current (mA) 30° 40° L2656 10° 10° 30° 80 % 60% 100 40° L2656-03 50° 40% 60° 70° 10 1.0 20° 100 % 1.5 2.0 2.5 3.0 3.5 50° 60° 20 % 70° 80° 80° 90° 90° Relative radiant output (%) Forward voltage (V) KLEDB0143EA KLEDB0144EA 2 Infrared LED L2656 series 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 -40 100 80 60 40 20 0 -20 0 20 40 60 80 100 -40 -20 0 20 40 60 80 100 Ambient temperature (°C) Ambient temperature (°C) KLEDB0145EA KLEDB0027EB 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 (%) KLEDB0038EA 3 Infrared LED L2656 series Dimensional outlines (unit: mm) L2656-03 ϕ5.4 ± 0.1 ɸ5.4 ± 0.2 2.3 ± 0.3 L2656 13.5 ɸ0.45 lead ϕ2.54 ± 0.2 6.65 ± 0.2 4.5 ± 0.2 ϕ0.45 lead ɸ4.65 ± 0.1 13.5 1.12 ± 0.1 Clear epoxy resin ϕ4.2 ± 0.1 ɸ2.54 ± 0.2 Common to case KLEDA0069EA Common to case KLEDA0070EA 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. KLED1024E02 Nov. 2015 DN 4