Infrared LED L3989 series High power infrared LED Features Applications High reliability Optical fiber communication High radiant output power Optical switches High-speed response 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 3 Unit mA V 0.8 A -30 to +85 -40 to +100* °C °C * The L3989 is 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 Cutoff frequency Symbol λp ∆λ VF VFP IR ɸe PE fc Condition IF=50 mA IF=50 mA IF=50 mA IF=0.8 A VR=3 V IF=50 mA IF=50 mA IF=50 mA + 1 mAp-p L3989 Min. Typ. 800 830 40 1.45 2.3 6.0 8.0 0.9 15 30 L3989-01 L3989-02 Unit Max. Min. Typ. Max. Min. Typ. Max. 860 800 830 860 800 830 860 nm 40 40 nm 1.60 1.45 1.60 1.45 1.60 V 2.9 2.3 2.9 2.3 2.9 V 10 10 10 μA 2.5 3.6 4.0 5.8 mW 2.2 0.9 mW/cm2 15 30 15 30 MHz www.hamamatsu.com 1 Infrared LED L3989 series Emission spectrum (Typ. Ta=25 °C, IF=50 mA) 100 (Typ. Ta=25 °C, tw=100 μs, 0.1%) 1000 80 Radiant flux (mW) Relative radiant output (%) Radiant flux vs. forward current 60 40 100 L3989 L3989-02 L3989-01 10 20 0 700 800 900 1000 1 1 100 10 Wavelength (nm) 1000 Forward current (mA) KLEDB0212EA Forward current vs. forward voltage KLEDB0213EB Directivity (Typ. Ta=25 °C) 1000 (Typ. Ta=25 °C, tw=100 μs, 0.1%) 20° 10° 0° 10° 100 % 30° 20° 30° Forward current (mA) 80% 40° L3989-02 60% L3989 40° 100 50° 40 % 50° L3989-01 60° 70° 10 1.0 1.5 2.0 60° 20 % 70° 80° 80° 90° 90° 2.5 Forward voltage (V) Relative radiant output (%) KLEDB0214EA KLEDB0215EA 2 Infrared LED L3989 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 -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) KLEDB0216EA KLEDB0027EC Allowable forward current vs. duty ratio (Ta=25 °C) Allowable forward current (mA) 10000 Pulse width=1 μs 1000 Pulse width=10 μs Pulse width=100 μs 100 10 0.01 0.1 1 10 100 Duty ratio (%) KLEDB0289EB 3 Infrared LED L3989 series Dimensional outlines (unit: mm) L3989-01 2.3 ± 0.3 ɸ4.65 ± 0.1 ɸ4.7 ± 0.1 ɸ0.45 lead ɸ2.54 ± 0.2 13.5 4.5 ± 0.2 Glass window ɸ4.0 ± 0.1 13.5 ɸ0.45 lead ɸ5.4 ± 0.2 13.5 1.12 ± 0.1 Clear epoxy resin ɸ4.2 ± 0.1 ɸ5.4 ± 0.2 6.65 ± 0.2 ɸ5.4 ± 0.1 L3989-02 2.7 ± 0.2 L3989 ɸ0.45 lead ɸ2.54 ± 0.2 ɸ2.54 ± 0.2 Common to case KLEDA0067EA Common to case Common to case KLEDA0068EA KLEDA0064EB 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. KLED1032E03 Nov. 2015 DN 4