L8245 HAMAMATSU | Alldatasheet
Document overview
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Technical content
Features
/K6C Peak emission wavelength: 1.65 µm /K6C High radiant output
Applications
/K6C Light source for methane gas detection LED Infrared LED Peak emission wavelength: 1.65 µm L8245 I Absolute maximum ratings (Ta=25 °C, unless otherwise noted) Parameter Symbol Condition Value Unit Reverse voltage V R Max. 1 V Forward current IF 80 mA Forward current decrease rate - 1.1 mA/°C Pulse forward current IFP Pulse width=10 µs Duty ratio=1 % 1.0 A Pulse forward current decrease rate - 13 mA/°C Power dissipation P 150 mW Operating temperature Topr -30 to +85 °C Storage temperature Tstg -40 to +100 *1 °C *1: Guaranteed to resist temperature cycle test of up to 5 cycles. I Electrical and optical characteristics (Ta=25 °C) Parameter Symbol Condition Min. Typ. Max. Unit Peak emission wavelength λp IF=50 mA 1.6 1.65 1.7 µm Spectral half width ∆λ IF=50 mA - 130 - nm Radiant flux φe IF=50 mA 0.5 0.8 - mW Forward voltage VF IF=50 mA - 1.0 1.5 V Reverse current I R VR=1 V - - 10 µA Cut-off frequency fc IF=50 mA±10 mAp-p, *2 1 3 - MHz *2: Frequency at which the optical output decreases by -3 dB versus a reference output level at 100 kHz. L8245 may be damaged or performance may deteriorate due to static electricity, so use caution when handling.
HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, http://www.hamamatsu.com 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.: 8, 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: Smidesvägen 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 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. ©2002 Hamamatsu Photonics K.K. Cat. No. KLED1034E01 Jan. 2002 DN 100 WAVELENGTH (µm) RELATIVE RADIANT OUTPUT (%) (Typ. Ta=25 ˚C, IF=50 mA) -40 -20 0 20 40 60 80 100 AMBIENT TEMPERATURE (˚C) RELATIVE RADIANT OUTPUT (dB) (Typ. IF=50 mA) -40 -20 0 20 (Typ.) 40 60 80 100 100 AMBIENT TEMPERATURE (˚C) RELATIVE ALLOWABLE FORWARD CURRENT (%) 0.01 DUTY RATIO (%) ALLOWABLE FORWARD CURRENT (A) 0.01 0.1 1 10 100 0.1 PULSE WIDTH=1 µs (Typ. Ta=25 ˚C) PULSE WIDTH=100 µs PULSE WIDTH=10 µs I Dimensional outline (unit: mm)I Allowable forward current vs. duty ratio I Allowable forward current vs. ambient temperature I Emission spectrum I Directivity I Radiant output vs. ambient temperature RELATIVE RADIANT OUTPUT (%) (Typ. Ta=25 ˚C) 80 % 40 % 60 % 20 % 90˚ 80˚ 50˚ 40˚ 30˚ 70˚ 60˚ 90˚ 80˚ 50˚ 40˚ 30˚ 70˚ 60˚ 100 5.4 ± 0.2 4.7 ± 0.1 GLASS WINDOW 3.0 ± 0.1 3.6 ± 0.213.5 2.54 ± 0.2 0.45 LEAD COMMON TO CASE KLEDA0071EA KLEDB0225EA KLEDB0222EA KLEDB0223EA KLEDB0224EA KLEDB0027EB