fiber optic lan components hfe4 09 x- 3 22 high speed vcsel 2.5gbps honeywell www.honeywell.com/sensing/vcsel features ? designed for drive currents between 5 and 15 ma ? optimized for low dependence of electrical properties over temperature ? high speed 1 ghz ? two different laser/ photodiode polarities ? attenuating coating also available ? packaged with a photodetector laser radiation avoid exposure to beam class 3b laser product the hfe409x-322 is a high-performance 850 nm vcsel (vertical cavity surface-emitting laser) packaged for high-speed data communications. this product combines all the performance advantages of the vcsel with a custom designed power monitor diode, and is designed for ease of use by the module designer and manufacturer. the power monitor diode can be used with appropriate feedback control circuitry to set a maximum power level for each vcsel, simplifying design for high data rate communication and eye safety. the hfe409x-322 is a high radiance vcsel designed to convert electrical current into optical power that can be used in fiber optic communications and other applications. as the current varies above threshold, the light intensity increases proportionally. the hfe409x-322 is designed to be used with inexpensive silicon or gallium arsenide detectors, but excellent performance can also be achieved with some indium gallium arsenide detectors. the low drive current requirement makes direct drive from pecl (positive emitter coupled logic) or eml (emitter coupled logic) gates possible and eases driver design. the hfe409x-322 is designed to interface with 50/125 and 62.5/125 m multimode fiber. they product circularly symmetric, non-astigmatic, narrow divergence beams that, with appropriate lensing, fiber couple all of the emitter power.
fiber optic lan components hfe409x-322 high speed vcsel 2.5gbps 2 honeywell ? for application help: call 1-800-537-6945 www.honeywell.com/sensing/vcsel absolute maximum ratings parameter rating storage temperature -40 to +125 c operating temperature 0 to +70 c lead solder temperature 260 c, 10 sec. continuous optical output power (any current) 5 mw laser diode reverse voltage (i r =10 a) 5 v laser continuous forward current, heat-sinked 15 ma pin photodiode forward current 10 ma notice stresses greater than those listed under ?absolute maximum ratings? may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operations section for extended periods of time may affect reliability. electro-optical characteristics (t a =25 o c unless otherwise stated) vcsel parameters test condition symbol min. typ. max. units notes peak operating current adjustable to establish operating power i peak 920 ma 1 optical power output i f =9ma po 2.4 mw 1 threshold current i th 13 5 ma threshold current temperature variation t a = 0 o c to 70 o c ? i th -1.5 1.5 ma 2 slope efficiency 0.225 0.4 0.6 mw/ma 3 slope efficiency temperature variation t a = 0 o c to 70 o c ? / ? t -6000 ppm/ o c peak wavelength i f =9 ma p 830 850 860 nm p temperature variation i f =9 ma ? p/ ? t 0.06 nm/ o c spectral bandwidth, rms i f =9 ma ? 0.85 nm laser forward voltage i f =9 ma v f 1.8 2.2 v laser reverse voltage i r =10 a bvr ld -10 v rise and fall times prebias above threshold, 20%-80% t r t f 130 150 ps 4 relative intensity noise 1 ghz bw, i f =9 ma rin -130 -122 db/hz series resistance i f =9 ma r s 18 25 40 ohms series resistance temperature coefficient i f =9 ma, 0 o c to 70 o cdr s /dt -3000 ppm/ o c beam divergence 15 30 degrees 5 photodiode parameters test condition symbol min. typ. max. units notes monitor current po =1.8mw i pd 0.022 ma monitor current temperature variation po =1.8mw ? i pd / ? t 0.2 %/ o c dark current po =0mw, v r =3v i d 20 na pd reverse voltage po =0mw, i r =10 a bvr pd 30 115 v 6 pd capacitance v r =0v, freq=1mhz v r =3v, freq=1mhz c75 40 100 55 pf
fiber optic components hfe409x-322 high speed vcsel 2.5gbps vcsel for application help: call 1-800-537-6945 honeywell ? 3 www.honeywell.com/sensingvcsel notes: 1. operating power is set by the peak operating current i peak =i bias +i modulation . 2. operation at temperatures outside the specified range may result in the threshold current exceeding the maximums defined in the electro- optical characteristics table. 3. slope efficiency is defined as ? po/ ? if at a total power output of 1.8 mw. 4. rise and fall times are sensitive to drive electronics 5. beam divergence is defined as the total included angle between the 1/e 2 intensity points. beam divergence varies between 15deg and 30deg depending upon operating conditions. 30deg is expected to be worst case divergence. it is recommended that the optics be design for an na of 0.3 6. to safeguard the vcsel from current spike damage, short the vcsel anode and cathode to each other during photodiode bvr verification testing. additionally to safeguard the pin photodiode, limit the photodiode reverse voltage in accordance with the absolute maximum rating. typical performance curves emitted power vs. current: power varies approximately linearly with current above threshold. current emitted power i th typical i op , p op threshold current vs. temperature: threshold current varies parabolically with temperature; thus it can be nearly constant for a limited temperature range. temperature threshold current t min , i min i th = == = i min [1.110 -4 (t-t min ) 2 +1] emission intensity vs. wavelength: typical 10 ma spectrum comprises multiple lines corresponding to multiple transverse modes. w avelength emission intensity fw hm of envelope typically <0.5 nm notice the inherent design of this component causes it to be sensitive to electrostatic discharge (esd). to prevent esd- induced damage and/or degradation to equipment, take normal esd precautions when handling this pr oduct. danger the vcsel is a class iiib laser and should be treated as a potential eye hazard. due to the size of the com ponent, the applicable warning logotype, aperture label, and certification/ identification label cannot be pl aced on the com ponent itself. these labels can be found on the individual envelope in which the vcsel unit is packaged, or attached to the shipping package.
fiber optic lan components hfe409x-322 high speed vcsel 2.5gbps vcsel 7/6/01 honeywell inc. 11 west spring street freeport, illinois 61032 honeywell inc. optoelectronics facility 830 east arapaho road richardson, texas 75081 honeywell control systems ltd. zodiac house calleva park aldermaston, berkshire rg7 8hw england helping you control your world 006694-1-en il50 glo 797 printed in usa printed with soy ink on 50% recycled paper order guide catalog listing description hfe4093-322 unattenuated vcsel with back monitor photodiode - vcsel anode common HFE4094-322 unattenuated vcsel with back monitor photodiode - vcsel cathode common mounting dimensions (for reference only): in./(mm) dimension a = 0.080 0.004 pinout hfe4093-322 HFE4094-322 number function number function 1k ld 1a ld 2k pd , a ld 2k ld , a pd 3a pd 3k pd pinout definitions a ld vcsel anode a pd monitor photodiode anode k ld vcsel cathode k pd monitor photodiode cathode warranty/remedy honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship. commencing with the date of shipment, honeywell?s warranty runs for 18 months. if warranted goods are returned to honeywell during that period of coverage, honeywell will repair or replace wit hout charge those items it finds defective. the foregoing is buyer?s sole remedy and is in lieu of all other warranties, expressed or implied, including those of merchantability and fitness for a particular purpose. while we provide application assistance, personally and through our literature, it is up to the customer to determine the suitability of the product in the application. specifications may change at any time without notice. the information we supply is believed to be accurate and reliable as of this printing. however, we assume no responsibility for its use. sales and service honeywell sensing and control serves its customers through a worldwide network of sales offices and distributors. for application assistance, current specifications, pricing or name of the nearest authorized distributor, contact a nearby sales office or call: telephone 1-800-367-6786 (usa) 1-800-737-3360 (canada) +49 (0) 89 35813310 (germany) +65-580-3312 (singapore) +44 (0) 118 981 9511 (uk) fax 1-972-470-4326 (customer response center) 1-972-470-4549 (fax on demand) +49 (0) 89 3599971 (germany) +65 445 3033 (singapore) +44 (0) 118 981 7513 (uk) internet http://www. honeywell.com/sensing/vcsel info.sc@honeywell.com
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