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| LED Infrared LED L7866 Peak emission wavelength: 1.3 m L7866 is a long wavelength LED using an InGaAs chip. Peak emission occurs at 1.3 m, making L7866 ideal for reference light sources when detecting water content or moisture. Features Applications l Peak emission wavelength: 1.3 m l High radiant output power l Reference light source for moisture meter l Light source for photosensitive material s Absolute maximum ratings (Ta=25 C, unless otherwise noted) Parameter Reverse voltage Forward current Forward current derating rate Pulse forward current Symbol V4 I. I.2 Condition Value 1 80 1.1 1.0 13 150 -30 to +85 -40 to +100 * Unit V mA mA/C A mA/C mW C C Pulse forward current Ta > 25 C derating rate Power dissipation P Operating temperature Topr Storage temperature Tstg *1: L7866 is guaranteed to resist temperature cycle test of up to 5 cycles. Ta > 25 C Pulse width=10 s Duty ratio=1 % s Electrical and optical characteristics (Ta=25 C) Parameter Symbol Condition Min. Typ. Peak emission wavelength I.=50 mA 1.25 1.3 lp Spectral half width (FWHM) I.=50 mA 100 Dl Radiant flux I.=50 mA 0.7 1.0 fe Forward voltage V. I.=50 mA 1.0 Pulse forward voltage V.2 I.=1 A 2 Reverse current I4 V4=1 V Cut-off frequency * fc I.=50 mA 10 mAp-p 1 3 *2: Frequency at which the light output drops by -3 dB based on light output at 100 kHz. Max. 1.35 150 1.5 3 10 Unit m nm mW V V A MHz L7866 may be damaged or performance may deteriorate due to static electricity, so use caution when handling. 1 |
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