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| PRODUCT INFORMATION 1320nm 1A302 High-Performance LED FM Video 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. Optical and Electrical Characteristics PARAMETER SYMBOL MIN. TYP . MAX. UNIT (25 C Case Temperature) TEST CONDITION Fiber-Coupled Power (Fig.1, 2,& 3) (Table 1) Pfiber tr,tf fc -H2 -H3 40 50 3 100 26 38 W ns MHz dB dB nm nm V A pF IF =80 mA (Note 1) IF =80 mA (no bias) Fiber: 62.5/125 m Graded Rise and Fall Time (10-90%) Bandwidth (3dBel ) IF =80 mA IF =60 mA m=0.8 f=10 MHz IF =80 mA IF =80 mA IF =80 mA VR=1V Index NA=0.275 Harmonic Distortion (nonlinearity) Peak Wavelength Spectral Width (FWHM) Forward Voltage Reverse Current Capacitance (Fig.5) p 1280 1320 1350 120 155 2 100 200 VF IR C 1.5 VR= 0V, f=1 MHz Note 1: Measured at the exit of 100 meters of fiber. O4.7 O1.5 0.6 Absolute Maximum Ratings PARAMETER SYMBOL LIMIT 3.7 Storage Temperature 14 Operating Temperature (derating: Fig.4) Electrical Power Dissipation (derating: Fig.4) 10 kHz) 50%, f 1 MHz) Tstg Top Ptot IF IFRM VR Tsld -55 to +125 C -55 to +125 C 230 mW 110 mA 170 mA 1.5 V 260 C 0.4 Continuous Forward Current (f Peak Forward Current (duty cycle All dimensions in mm CASE CATHODE ANODE Reverse Voltage Soldering Temperature (2mm from the case for 10 sec) 2.5 5.4 BOTTOM VIEW The anode is in electrical contact with the case. Thermal Characteristics PARAMETER SYMBOL MIN. TYP. MAX. UNIT TO-46 Package With Lens Thermal Resistance - Infinite Heat Sink Thermal Resistance - No Heat Sink Rthjc -0.8 0.55 100 400 C/W C/W %/ C nm/ C Rthja Temperature Coefficient - Optical Power dP/dTj Temperature Coefficient -W avelength d /dTj 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 High-Performance 1A302 1320nm Typical Fiber-Coupled Power Core Diameter/Cladding Diameter Numerical Aperture RELATIVE FIBER-COUPLED POWER % 100 FIGURE 1 % 100 FIGURE 2 r z = opt. Oc = 62.5Em RELATIVE FIBER-COUPLED POWER 50/125 m 0.20 62.5/125 m 0.275 100/140 m 0.29 80 80 z 12 W Table 1 50 W 90 W 60 60 40 40 r 20 r = opt. Oc = 62.5Em z 20 0 0.5 1.0 1.5 2.0 2.5 3.0 mm 0 0 20 40 60 80 100 m z - AXIAL DISPLACEMENT OF FIBER r - RADIAL DISPLACEMENT OF FIBER % 100 FIGURE 3 mW 300 FIGURE 4 MAX. ELECTRICAL POWER DISSIPATION RELATIVE FIBER-COUPLED POWER 80 200 INFINITE HEAT SINK 60 50% DUTY CYCLE DC NO HEAT SINK 40 100 20 HEAT SINKED 0 0 40 80 120 160 200 mA 0 0 50 100 150C FORWARD CURRENT OPERATING TEMPERATURE FIGURE 5 mA 200 FORWARD CURRENT 100 0 0 1 2 3V FORWARD VOLTAGE |
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