Infrared LED L10660 series Peak emission wavelength: 1.45 m The L10660 series is a high-power LED that emits infrared light at a peak wavelength of 1.45 m. The LED is suitable for applications requiring use of infrared emitters with InGaAs photodiode. Features Applications Peak emission wavelength: 1.45 m 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 s 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 p e 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 m nm mW V A 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 s, 0.1%) 100 (Typ. Ta=25 C, tw=100 s, 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 s Pulse width=10 s 1 Pulse width=100 s 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