Infrared LED L12756 High power LED in a bullet-shaped package The L12756 is an infrared LED encapsulated in a bullet-shaped package. It offers low cost, high output power, and high reliability. Features Applications High output power Optical switches Low cost High reliability Absolute maximum ratings (Ta=25 °C, unless otherwise noted) Parameter Reverse voltage Forward current Forward current decrease rate Pulse forward current Pulse forward current decrease rate Power dissipation Operating temperature Storage temperature Soldering conditions Symbol VR IF IFP P Topr Tstg Condition Ta>25 °C *1 Ta>25 °C*1 No condensation No condensation - Specification 5 100 1.3 1 13 180 -30 to +85 -40 to +100 230 °C or less, within 5 s, at least 2 mm away from resin bottom surface Unit V mA mA/°C A mA/°C mW °C °C - *1: Pulse width=10 μs, duty ratio=1% 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 Reverse current Radiant flux Radiant intensity Cutoff frequency*2 Symbol λp Δλ VF IR ϕe Ie fc Condition IF=50 mA IF=50 mA IF=50 mA VR=5 V IF=50 mA IF=50 mA IF=50 mA ± 1 mAp-p Min. 840 18 35 25 Typ. 870 45 1.5 23 55 40 Max. 900 1.7 5 - Unit nm nm V μA mW mW/sr MHz *2: Frequency at which the optical output drops by 3 dB relative to the output at 100 kHz www.hamamatsu.com 1 Infrared LED L12756 Emission spectrum Pulse forward current vs. pulse forward voltage (Typ. Ta=25 °C, IF=50 mA) 100 Pulse forward current (mA) Relative light output (%) 80 60 40 20 0 700 800 900 (Typ. Ta=25 °C, tw=100 μs, 0.1%) 1000 100 10 1000 1 2 Wavelength (nm) 3 4 Pulse forward voltage (V) KLEDB0413EA KLEDB0384EA Radiant flux vs. pulse forward current 1000 Directivity (Typ. Ta=25 °C, tw=100 μs, 0.1%) 20° 10° 0° 10° (Typ. Ta=25 °C) 20° 30° 30° 40° 40° 50° Radiant flux (mW) 50° 60° 60° 100 70° 70° 80° 90° 100 10 80° 80 60 40 20 0 20 40 60 80 90° 100 Relative light output (%) KLEDB0386EA 1 10 100 1000 Pulse forward current (mA) KLEDB0385EA 2 Infrared LED L12756 Light output vs. ambient temperature Allowable forward current vs. ambient temperature Relative allowable forward current (%) 2 Relative light output (dB) (Typ.) (Typ. IF=50 mA) 3 1 0 -1 -2 -3 -4 100 80 60 40 20 -5 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 0 -40 -20 Ambient temperature (°C) 0 20 40 60 80 Ambient temperature (°C) KLEDB0387EA KLEDB0409EA Allowable forward current vs. duty ratio Dimensional outline (unit: mm) (Typ. Ta=25 °C) 10 100 ϕ3.4 ± 0.2 ϕ3.85 ± 0.2 Pulse width=1 μs Pulse width=10 μs 1 0.1 1 10 100 Duty ratio (%) 5.3 ± 0.2 5.3 ± 0.5 0.1 0.01 27.0 min. 0.1 1.5 max. 1.0 ± 0.2 Pulse width=100 μs 0.5 KLEDB0388EA 1.0 min. Allowable forward current (A) ϕ3.0 ± 0.2 2.5 (specified at lead root) Standard packaging state: anti-static bag (100 pcs/pack) KLEDA0098EB 3 Infrared LED L12756 Related information www.hamamatsu.com/sp/ssd/doc_en.html Precautions ∙ Notice ∙ Metal, ceramic, plastic products Information described in this material is current as of August, 2014. 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. Type numbers of products listed in the delivery specification sheets or supplied as samples may have a suffix "(X)" which means preliminary specifications or a suffix "(Z)" which means developmental 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. KLED1065E02 Aug. 2014 DN 4