PRODUCT INFORMATION 860nm 1A314 High-Performance LED The exceptionally low thermal droop of this device allows baseband video transmission with ultimate quality and minimum distortion. The doublelens optical system provides for optimum coupling of power into the fiber. Baseband Video Optical and Electrical Characteristics PARAMETER SYMBOL MIN. TYP. Pfiber 70 100 Fiber-Coupled Power (Fig.1, 2,& 3) (Table 1) Rise and Fall Time (10-90%) MAX. 8 (25° C Case Temperature) UNIT TEST CONDITION mW IF =100mA (Note 1) Fiber: IF =100mA 62.5/125mm tr,tf 6 ns fc 55 MHz IF =100 mA lDPl 1 % IF =100 mA nm IF =100 mA nm IF =100 mA 2 V IF =100 mA 20 mA VR=1V pF VR= 0V, f=1 MHz (no bias) Graded Bandwidth (3dBel ) Thermal Droop (nonlinearity) (Note 2) Peak Wavelength lp Spectral Width (FWHM) Dl 50 Forward Voltage VF 1.6 (Fig.5) Reverse Current IR Capacitance C 840 860 880 250 Index NA=0.275 Note 1: Measured at the exit of 100 meters of fiber. Note 2: Transient decline in optical power due to self-heating. Ø4.7 Ø1.5 Absolute Maximum Ratings 0.6 PARAMETER 3.7 SYMBOL LIMIT Tstg Top -55 to +1258C 250 mW Continuous Forward Current (<10 kHz) Ptot IF Peak Forward Current (duty cycle<50%, f>1 MHz) IFRM 180 mA Reverse Voltage VR 1.5 V Soldering Temperature (2mm from the case for 10 sec) Tsld 2608C Storage Temperature Operating Temperature 14 Electrical Power Dissipation 0.4 ANODE CATHODE 2.5 5.4 BOTTOM VIEW All dimensions in mm CASE -55 to +1258C 110 mA Thermal Characteristics The anode is in electrical contact with the case. TO-46 Package With Lens PARAMETER SYMBOL MIN. TYP. MAX. UNIT Thermal Resistance - Infinite Heat Sink Rthjc 100 8C/W Thermal Resistance - No Heat Sink Rthja 400 8C/W Temperature Coefficient - Optical Power dP/dTj -0.5 %/8C dl /dTj 0.3 nm/8C Temperature Coefficient -Wavelength 12428.11 1994-09-20 Europe: Tel (46) 8 58 02 45 00 Fax (46) 8 58 02 01 10 Tel (44) 1291 436180 Fax (44) 1291 436771 America: Tel 1-800-96MITEL Fax (613) 592-6909 Asia: Tel (65) 293 5312 Fax (65) 293 8527 1A314 860nm High-Performance LED Typical Fiber-Coupled Power RELATIVE FIBER-COUPLED POWER 400 mW r 80 60 40 r r = opt. Øc = 62.5ʵm 20 z = opt. Øc = 62.5ʵm 80 z 60 40 20 z 0 0 0.5 1.0 1.5 2.0 3.0 mm 2.5 0 z - AXIAL DISPLACEMENT OF FIBER FIGURE 3 % 20 40 60 80 100 µm r - RADIAL DISPLACEMENT OF FIBER FIGURE 4 mW 100 300 MAX. ELECTRICAL POWER DISSIPATION 250 mW 200/230 mm 0.37 RELATIVE FIBER-COUPLED POWER 100 mW 100/140 mm 0.29 RELATIVE FIBER-COUPLED POWER 40 mW Table 1 62.5/125 mm 0.275 FIGURE 2 % 100 100 80 50% DUTY CYCLE 60 DC 40 20 HEAT SINKED 200 INFINITE HEAT SINK NO HEAT SINK 100 0 0 0 40 80 120 160 200 mA FORWARD CURRENT 200 100 0 0 1 2 FORWARD VOLTAGE 0 50 100 OPERATING TEMPERATURE FIGURE 5 mA FORWARD CURRENT 50/125 mm 0.20 FIGURE 1 % Core Diameter/Cladding Diameter Numerical Aperture 3V 150¡C