1A439

PRODUCT INFORMATION 1320nm 1A439 High-Performance LED Datacom This device is designed for FDDI and ATM 155 Mbps applications and offers an excellent price/performance ratio for cost-effective solutions. Its double-lens optical system results in optimum coupling of power into the fiber. Optical and Electrical Characteristics PARAMETER SYMBOL MIN. TYP . MAX. UNIT (Case Temperature -25 to +70°C) TEST CONDITION Fiber-Coupled Power (Fig.1, 2,&3) (Table 1) Pfiber tr, tf fc ␭c -18.5 2.5 125 1320 135 1.3 1.65 100 200 dBm ns MHz nm nm V ␮A pF (Note 1) IPeak=60mA Fiber: 62.5/125 ␮m Rise and Fall Time (10-90%, no bias) IF =60mA (Note 2) IF =60mA Graded Index Bandwidth (3dBel ) NA=0.275 Center Wavelength Spectral Width (FWHM) Forward Voltage (Fig.5) Reverse Current Capacitance IF =60mA (Note 2) IF =60mA (Note 2) IF =60mA VR=1V VR= 0V, f=1 MHz ⌬␭ VF IR C Note 1: Average power at 10 MHz//50% duty cycle. Measured at the exit of 100 meters of fiber. Note 2: Meets the FDDI ANSI X3T9.5 specification. Absolute Maximum Ratings Ø4.7 Ø1.5 0.6 PARAMETER SYMBOL LIMIT Storage Temperature Operating Temperature (derating: Fig.4) Electrical Power Dissipation (derating: Fig.4) Tstg Top Ptot IF IFRM VR Tsld -55 to +125Њ C -55 to +125Њ C 160 mW 80 mA 130 mA 0.5V 260ЊC 3.7 14 Continuous Forward Current (fр10 kHz) 0.4 Peak Forward Current (duty cycle р50%, fу1 MHz) Reverse Voltage All dimensions in mm CASE ANODE CATHODE Soldering Temperature (2mm from the case for 10sec) ...