PRODUCT INFORMATION 1320nm 1A302 High-Performance LED The low harmonic distortion makes this device ideal for subcarrier FM video applications. Video transmission can be accomplished with minimum distortion. The double-lens optical system provides for optimum coupling of power into the fiber. FM Video Optical and Electrical Characteristics PARAMETER SYMBOL MIN. TYP. Pfiber 40 50 Fiber-Coupled Power (Fig.1, 2,& 3) (Table 1) Rise and Fall Time MAX. (25° C Case Temperature) UNIT TEST CONDITION mW IF =80 mA (Note 1) Fiber: IF =80 mA 62.5/125mm tr,tf 3 fc 100 MHz IF =80 mA -H2 26 dB -H3 38 dB IF =60 mA m=0.8 f=10 MHz Peak Wavelength lp 1280 1320 1350 nm IF =80 mA Spectral Width (FWHM) Dl 120 155 nm IF =80 mA Forward Voltage VF 1.5 2 V IF =80 mA 100 mA VR=1V pF VR= 0V, f=1 MHz (10-90%) ns (no bias) Graded Bandwidth (3dBel ) Harmonic Distortion (nonlinearity) (Fig.5) Reverse Current IR Capacitance C 200 Index NA=0.275 Note 1: Measured at the exit of 100 meters of fiber. Ø4.7 Ø1.5 0.6 Absolute Maximum Ratings 3.7 PARAMETER SYMBOL LIMIT Tstg Top -55 to +1258C 230 mW Continuous Forward Current (f<10 kHz) Ptot IF Peak Forward Current (duty cycle<50%, f>1 MHz) IFRM 170 mA Reverse Voltage VR 1.5 V Soldering Temperature (2mm from the case for 10 sec) Tsld 2608C Storage Temperature Operating Temperature (derating: Fig.4) 14 Electrical Power Dissipation 0.4 (derating: Fig.4) -55 to +1258C 110 mA ANODE CATHODE 2.5 5.4 BOTTOM VIEW All dimensions in mm CASE The anode is in electrical contact with the case. TO-46 Package With Lens Thermal Characteristics PARAMETER MAX. UNIT Rthjc 100 8C/W Rthja Temperature Coefficient - Optical Power dP/dTj 400 8C/W -0.8 %/8C dl /dTj 0.55 nm/8C Thermal Resistance - Infinite Heat Sink SYMBOL MIN. TYP. Thermal Resistance - No Heat Sink Temperature Coefficient -Wavelength 12368.11 1997-01-23 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 1A302 High-Performance Typical Fiber-Coupled Power RELATIVE FIBER-COUPLED POWER 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 2.0 1.5 2.5 0 3.0 mm 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 90 mW RELATIVE FIBER-COUPLED POWER 50 mW 100/140 mm 0.29 r RELATIVE FIBER-COUPLED POWER 12 mW Table 1 62.5/125 mm 0.275 FIGURE 2 % 100 100 80 60 50% DUTY CYCLE DC 40 20 HEAT SINKED 200 INFINITE HEAT SINK NO HEAT SINK 100 0 0 0 40 80 120 160 200 mA FORWARD CURRENT FIGURE 5 200 100 0 0 1 2 FORWARD VOLTAGE 0 50 100 OPERATING TEMPERATURE mA FORWARD CURRENT 50/125 mm 0.20 FIGURE 1 % Core Diameter/Cladding Diameter Numerical Aperture 1320nm 3V 150¡C