LED Infrared LED L3989 series High power infrared LED Features Applications l High reliability l High radiant output power l High-speed response l Optical fiber communication l Spatial light transmission l Optical switch ■ Absolute maximum ratings (Ta=25 °C) Parameter Forward current Reverse voltage Pulse forward current Symbol IF VR IFP Condition Pulse width=10 µs Duty ratio=1 % Operating temperature Topr Storage temperature Tstg * L3989 is guaranteed to resist temperature cycle test of up to 5 cycles. Value 80 3 Unit mA V 0.8 A -30 to +85 -40 to +100 * °C °C ■ Electrical and optical characteristics (Ta=25 °C) Parameter Symbol P ea k e m issio n w avele ng th Spectral half width Forward voltage Pulse forward voltage Reverse current Radiant flux Radiant illuminance Cut-off frequency λp ∆λ VF VFP IR φe PE fc Condition Min. 800 IF=50 mA IF=50 mA IF=50 mA IF=0.8 A VR=3 V IF=50 mA 6.0 IF=50 mA IF=50 mA + 1 mAp-p 15 L3989 Typ. 830 40 1.45 2.3 8.0 0.9 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 1 L3989 series Infrared LED ■ Emission spectrum ■ Radiant flux vs. forward current (Typ. Ta=25 ˚C, IF=50 mA) 80 RADIANT FLUX (mW) RELATIVE RADIANT OUTPUT (%) (Typ. Ta=25 ˚C, tw=100 µs, 0.1 %) 1000 100 60 40 100 L3989 L3989-02 L3989-01 10 20 1 0 700 900 800 1000 1 100 10 1000 FORWARD CURRENT (mA) WAVELENGTH (nm) KLEDB0212EA ■ Forward current vs. forward voltage KLEDB0213EA ■ Directivity (Typ. Ta=25 ˚C) (Typ. Ta=25 ˚C, tw=100 µs, 0.1 %) 1000 20˚ 10˚ 0˚ 20˚ 100 % 30˚ FORWARD CURRENT (mA) 10˚ 30˚ 80 % 40˚ L3989-02 60 % L3989 40˚ 100 50˚ 50˚ 40 % L3989-01 60˚ 60˚ 20 % 70˚ 10 1.0 1.5 2.0 70˚ 80˚ 80˚ 90˚ 90˚ 2.5 FORWARD VOLTAGE (V) RELATIVE RADIANT OUTPUT (%) KLEDB0214EA ■ Radiant output vs. ambient temperature KLEDB0215EA ■ Allowable forward current vs. ambient temperature (Typ. IF=50 mA) +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 2 (Typ.) RELATIVE ALLOWABLE FORWARD CURRENT (%) RELATIVE RADIANT OUTPUT (dB) +3 KLEDB0027EB Infrared LED L3989 series ■ Allowable forward current vs. duty ratio (Typ. 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 (%) KLEDB0289EA ■ Dimensional outlines (unit: mm) ➁ L3989-01 5.4 ± 0.2 4.65 ± 0.1 4.7 ± 0.1 13.5 13.5 0.45 LEAD 2.54 ± 0.2 6.65 ± 0.2 4.5 ± 0.2 GLASS WINDOW 4.0 ± 0.1 13.5 1.12 ± 0.1 4.2 ± 0.1 0.45 LEAD 5.4 ± 0.2 2.3 ± 0.3 5.4 ± 0.1 CLEAR EPOXY RESIN ➂ L3989-02 2.7 ± 0.2 ➀ L3989 0.45 LEAD 2.54 ± 0.2 2.54 ± 0.2 COMMON TO CASE COMMON TO CASE COMMON TO CASE KLEDA0067EA KLEDA0064EB KLEDA0068EA 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. ©2006 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, 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 Cat. No. KLED1032E02 Jun. 2006 DN 3