Infrared LED L10660 series Peak emission wavelength: 1.45 μm The L10660 series is a high-power LED that emits infrared light at a peak wavelength of 1.45 μm. The LED is suitable for applications requiring use of infrared emitters with InGaAs photodiode. Features Applications Peak emission wavelength: 1.45 μm Light source for moisture meter High radiant output power Light source for foreign object screening Absolute maximum ratings (Ta=25 °C, unless otherwise noted) Parameter Symbol Condition Reverse voltage VR Forward current IF Forward current decrease rate Ta > 25 °C Pulse width=10 μs Pulse forward current IFP Duty ratio=1% Pulse forward current Ta > 25 °C decrease rate Power dissipation P Operating temperature Topr Storage temperature Tstg Value 1 80 1.1 Unit V mA mA/°C 1.0 A 13 mA/°C 150 -30 to +85 -40 to +100 mW °C °C Electrical and optical characteristics (Ta=25 °C) Parameter Peak emission wavelength Spectral half width (FWHM) Radiant flux Forward voltage Reverse current Cut-off frequency * Symbol λp Δλ φe VF IR fc Condition IF=50 mA IF=50 mA IF=50 mA IF=50 mA VR=1 V IF=50 mA ± 10 mAp-p Min. 1.4 1.8 10 L10660 Typ. 1.45 120 2.4 1.0 15 Max. 1.5 170 1.5 10 - Min. 1.4 2.0 10 L10660-01 Typ. 1.45 120 2.8 1.0 15 Max. 1.5 170 1.5 10 - Unit μm nm mW V μA MHz * Frequency at which the light output drops by -3 dB based on light output at 100 kHz. www.hamamatsu.com 1 Infrared LED L10660 series Emission spectrum Radiant flux vs. forward current (Typ. Ta=25 °C, IF=50 mA) 100 Forward current vs. forward voltage (Typ. Ta=25 °C, tw=100 µs, 0.1%) 100 (Typ. Ta=25 °C, tw=100 µs, 0.1%) 1000 90 Relative radiant output (%) Radiant flux (mW) 70 60 50 40 30 Forward current (mA) L10660-01 80 10 L10660 1 100 20 10 0 1200 1300 1400 1500 0.1 10 1600 100 Wavelength (nm) Directivity 0° 10° (Typ. Ta=25 °C) 60° 60° L10660 70° 70° L10660-01 80° 80° 90° 100 80 60 40 20 0 20 40 60 90° 100 80 Relative radiant output (%) KLEDB0326EA Relative radiant output (dB) 50° +1 0 -1 -2 -3 -4 -5 -40 KLEDB0325EA Allowable forward current vs. ambient temperature Relative allowable forward current (%) +2 40° 50° 2.5 -20 0 20 40 60 80 (Typ.) 120 30° 40° 2.0 Forward voltage (V) (Typ. IF=50 mA) +3 20° 30° 1.5 KLEDB0312EA Radiant output vs. ambient temperature 10° 1.0 Forward current (mA) KLEDB0311EB 20° 10 0.5 1000 100 Ambient temperature (°C) 110 100 90 80 70 60 50 40 30 20 10 0 -40 -20 0 20 40 60 80 100 Ambient temperature (°C) KLEDB0327EA KLEDB0328EA Allowable forward current vs. duty ratio (Typ. Ta=25 °C) Allowable forward current (A) 10 Pulse width=1 µs Pulse width=10 µs 1 Pulse width=100 µs 0.1 0.01 0.01 0.1 1 10 100 Duty ratio (%) KLEDB0225EA 2 Infrared LED L10660 series Dimensional outline (unit: mm) L10660-01 5.4 ± 0.2 4.7 ± 0.1 4.65 ± 0.1 3.6 ± 0.2 5.4 ± 0.2 0.45 ± 0.05 Lead 13.5 ± 1 13.5 ± 1 4.5 ± 0.2 Glass window 3.0 ± 0.1 0.45 ± 0.05 Lead 2.54 ± 0.2 6.65 ± 0.2 L10660 2.54 ± 0.2 Common to case Common to case KLEDA0090EA KLEDA0091EA 10 -//!0 .. 1 22*342 4 45 0 67849889 : ; $92& 87467647722 <"; $92& 87467648296 ; 0 ; 73+ < = -/> " 3,2+ > !: +99+?4+,2+ ; $2& ,+94*724+,3+ <"; $2& ,+94*7242*29 @; - 1 @; A 2+ 149**22 @ ; $6,& 928*47?84+ <"; $6,& 928*4*3849 <; - < =B; 2, = - ,299* 0" < ; 774$2& 3, 87 ?2 ++ <"; 774$2& 3, 87 ?2 2+ . ; - . B; * 0 2+ = C @ 0 B? 2>C . ; $66& 2?+?4*,6999 <"; $66& 2?+?47*8??? ! D ; - ! >; E 2* D42?2 62 ; $63& 948+,4+724++ <"; $63& 948+,4+724+2 ; - =B; 2FD *++*+ $ & ; $7,& +*4,784924?77 <"; $7,& +*4,784924?62 Cat. No. KLED1055E02 Jan. 2010 DN 3