L9338

LED Infrared LED L9338 For optical switches L9338 is an infrared LED developed for optical switches and is available at a low cost due to the improved manufacturing process. Features Applications l High reliability l Low price l Optical switches s Absolute maximum ratings (Ta=25 °C, unless otherwise noted) Parameter Reverse voltage Forward current Forward current reduction rate Symbol Condition VR IF Ta>25 °C Pulse width=10 µs Pulse forward current IFP Duty ratio=1 % Pulse forward current reduction rate Ta>25 °C Power dissipation P Operating temperature Topr Storage temperature Tstg *1: Guaranteed to resist temperature cycle test of up to 5 cycles. Value 5 80 1.1 1.0 13 150 -30 to +85 -40 to +100 *1 Unit V mA mA/°C A mA/°C mW °C °C s Electrical and optical characteristics (Ta=25 °C) Parameter Symbol Condition Min. Peak emission wavelength IF=50 mA 920 λp Spectral half width IF=50 mA ∆λ Forward voltage VF IF=50 mA Pulse forward voltage VFP IF=1 A Reverse current IR VR=5 V Radiant flux IF=50 mA 10 φe Cut-off frequency *2 fc IF=50 mA ± 4 mAp-p 0.1 *2: Frequency at which the optical output drops by -3 dB from that at 10 kHz. Typ. 945 60 1.34 3.1 15 0.3 Max. 970 1.42 3.8 5 Unit nm nm V V µA mW MHz 1 Infrared LED s Emission spectrum 100 (Typ. Ta=25 ˚C, IF=50 mA) L9338 s Radiant flux vs. forward current 1000 (Typ. Ta=25 ˚C, tw=100 µs, 1 %) s Forward current vs. forward voltage 1000 (Typ. Ta=25 ˚C, tw=100 µs, 10 %) RELATIVE RADIANT OUTPUT (%) 80 100 60 FORWARD CURRENT (mA) RADIANT FLUX (mW) 100 40 10 20 0 880 900 920 940 960 980 1000 1 10 100 1000 10 1.0 1.5 2.0 2.5 3.0 3.5 4.0 WAVELENGTH (nm) KLEDB0255EA FORWARD CURRENT (mA) KLEDB0256EA FORWARD VOLTAGE (V) KLEDB0257EA s Directivity (Typ. Ta=25 ˚C) 20˚ 10˚ 100 % 10˚ 20˚ s Radian output vs. ambient temperature 2 30˚ s Allowable forward current vs. ambient temperature (Typ.) (Typ. IF=50 mA) RELATIVE ALLOWABLE FORWARD CURRENT (%) RELATIVE RADIANT OUTPUT (dB) 30˚ 80 % 100 1 80 40˚ 60 % 40˚ 0 60 50˚ 60˚ 70˚ 80˚ 90˚ 40 % 50˚ 60˚ -1 40 20 % 70˚ 80˚ 90˚ -2 20 -3 -40 -20 0 20 40 60 80 100 0 -40 -20 0 20 40 60 80 100 RELATIVE RADIANT OUTPUT (%) KLEDB0258EA AMBIENT TEMPERATURE (˚C) KLEDB0259EA AMBIENT TEMPERATURE (˚C) KLEDB0254EA s Allowable forward current vs. duty ratio 10 (Typ. Ta=25 ˚C) s Dimensional outline (unit: mm) 2.3 ± 0.3 1.12 ± 0.1 2.54 ± 0.2  5.4 ± 0.1 CLEAR EPOXY RESIN  4.2 ± 0.1 ALLOWABLE FORWARD CURRENT (A) PULSE WIDTH=1 µs 1 PULSE WIDTH=10 µs PULSE WIDTH=100 µs 0.1 0.45 ± 0.05 LEAD 0.01 0.01 0.1 1 10 100 DUTY RATIO (%) KLEDB0038EA COMMON TO CASE 13.5 ± 1 KLEDA0081EA 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. ©2003 Hamamatsu Photonics K.K. 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, http://www.hamamatsu.com U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, 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) 08152-3750, Fax: (49) 08152-2658 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: 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 2 Cat. No. KLED1044E01 Nov. 2003 DN