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 HAMAMATSU
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L8013 is a high-speed LED developed for optical data links using PCF200 fibers. L8013 uses a non-confined structure chip that does not show the abrupt deterioration often encountered in some types of confined chips, thus providing high reliability over extended operation time. The optical output at the fiber end usually tends to vary due to non-uniform LED chip thickness. L8013 minimizes this problem by using a light condensing reflector with a slight matching offset from the chip. This widens the fiber input beam profile so fine adjustment of the optical axis is not required. Features l Easy optical axis alignment l High-speed response: 50 MHz Typ. l High optical output: 45 µW Typ. (IF=30 mA, when used with PCF200 fiber) l High reliability Applications l Optical data link LED Infrared LED Easy optical axis alignment LED for PCF200 fiber data links L8013 s Absolute maximum ratings (Ta=25 °C, unless otherwise noted) Parameter Symbol Condition Value Unit Reverse voltage VR Max. 3 V Forward current IF 80 mA Forward current decrease rate - Ta > 25 °C 0.8 mA/ °C Pulse forward current IFP Pulse width=10 µs Duty ratio=1 % 0.5 A Pulse forward current decrease rate - Ta > 25 °C 5 mA/ °C Power dissipation P 150 mW Operating temperature Topr -30 to +85 °C Storage temperature Tstg -40 to +100 °C s Electrical and optical characteristics (Ta=25 °C) Parameter Symbol Condition Min. Typ. Max. Unit Peak emission wavelength λp IF=30 mA 840 870 900 nm Spectral half width ∆λ IF=30 mA - 45 - nm Fiber end output * 1 Pf IF=30 mA 30 45 - µW Radiant flux φe IF=30 mA 4.5 6.5 - mW Forward voltage VF IF=30 mA - 1.45 1.6 V Reverse current IR VR=3 V - - 10 µA Cut-off frequency * 2 fc IF=30 mA ± 4 mAp-p 30 50 - MHz *1: PCF200 fiber; distance between fiber end and L8013 cap glass: 0.3 mm *2: Frequency at which the optical output decreases by -3 dB versus a reference output level at 100 kHz. 1 |
