f i n i s a r confidential and proprietary ? 2012 finisar corporation. all rights reserved rev. a1 page 1 product specification 2.5gbps 850nm vcsel, lc tosa HFE4190-441, hfe4191-441 product features ? 850nm multi-mode oxide isolated vcsel ? extended temperature range operation (? 40 to +85 deg operating range) ? capable of modulation opera tion from dc to 2.5gbps ? to-46 tilt window metal can component, prealigned into lc sleeve ? designed for drive currents between 3-15ma average ? packaged with a back monitor ? attenuated window can these products are high-performance 850nm vcsels (vertical cavity surface-emitting lasers) designed for high-speed data communications and packaged with a custom designed power monitor diode. the power monitor diode can be us ed with appropriate fee dback control circuitry to set a maximum power level fo r the vcsel. these combined f eatures simplify design for high data rate communication and eye safety. these products are designed to be used with inex pensive silicon or galliu m arsenide detectors, but excellent performance can also be achieved with some indium gallium arsenide detectors (see hfd3180-103 and hfd3180-1 08 product data sheets). vcsels produce circularly symmetric, non-as tigmatic, narrow divergence beams that, with appropriate lensing, fiber couple all of the emitter power. these lc tosa products are pre- aligned and focused fiber optic transmitters de signed to interface with 50/125 and 62.5/125 m multi-mode fiber product selection part number description HFE4190-441 lc tosa with attenuated to-46 co mponent, vcsel with back monitor photodiode, anode of vcsel co mmon with photodiode cathode hfe4191-441 lc tosa with attenuated to-46 co mponent, vcsel with back monitor photodiode, cathode of vcsel common with photodiode anode
hfe419x-441 product specification ? apr 2013 f i n i s a r confidential and proprietary ? 2012 finisar corporation. all rights reserved rev. a1 page 2 i. absolute maximum ratings parameter rating storage temperature -40 to +85 c case operating temperature -40* to +85 c lead solder temperature 260 c, 10 sec. laser continuous average current 12ma laser peak forward current with pulse width less than 1us 18ma laser reverse voltage 5v esd exposure (human body model) 225v 1 1 heel and wrist straps must be used on a properly grounded workstation 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 indicat ed in the operations section for extended periods of time may affect reliability. 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 product
hfe419x-441 product specification ? apr 2013 f i n i s a r confidential and proprietary ? 2012 finisar corporation. all rights reserved rev. a1 page 3 ii. electro-optical characteristics vcsel parameters test condition symbol min. typ. max. units notes average fiber coupled power i f = 7ma p oc 0.500 mw 2 minimum coupling efficiency including wiggle i f = 7ma 55 % 2 threshold current i th 0.5 1.8 2.5 ma threshold current maximum deviation from 25 o c value t a = 0 o c to 70 o c i th -0.5 1 ma 3 t a = 25 o c to 85 o c i th 1.7 ma 3 t a = -40 o c to 25 o c i th 2.5 ma 3 temperature at minimum threshold current t o -20 50 o c 3 slope efficiency t a = 25 o c 0.04 0.125 0.16 mw/ma 4 t a = -40 o c 0.200 mw/ma t a = 85 o c 0.03 mw/ma slope efficiency temperature variation t a = 0 o c to 70 o c ? / t -6000 ppm/ o c 5 peak wavelength i f = 7ma, t a = 0 o c to 85 o c p 830 850 860 nm p temperature variation i f = 7ma, t a = -40 o c to 85 o c ? p / t 0.06 nm/ o c spectral bandwidth, rms i f = 7ma ? 0.65 nm laser forward voltage i f = 7ma v f 1.8 2.0 v rise and fall times pavg = 0.625mw, extinction ratio = 10 t r t f 130 150 ps 6 relative intensity noise 1 ghz bw, i f = 7ma rin -130 -122 db/hz series resistance i f = 7ma , t a = 25 o c r s 25 35 50 t a = -40 o c r s 60 t a = 85 o c r s 20 series resistance temperature coefficient i f = 7ma, t a = 0 o c to 70 o c r s / t -3000 ppm/ o c 7 photodiode parameters test condition symbol min. typ. max. units notes monitor current poc = 0.5mw, t a = 25 o c i pd 0.1 0.6 ma poc = 0.5mw, t a = - 40 o c i pd tbd tbd poc = 0.5mw, t a = +85 o c i pd tbd tbd ma monitor current temperature variation poc = 0.5mw, 0 o c to 70 o c i pd / t tbd %/ o c monitor current tracking deltrk tbd 8 dark current po = 0mw, v r = 3v i d 20 na pd capacitance v r = 0v, freq = 1mhz v r = 3v, freq = 1mhz c 75 40 100 55 pf
hfe419x-441 product specification ? apr 2013 f i n i s a r confidential and proprietary ? 2012 finisar corporation. all rights reserved rev. a1 page 4 notes: 1. reliability is a function of temperature, see www.finisar.com for details. 2. for the purpose of these tests, i f is dc current. 3. threshold current varies as (t a ? t o ) 2 . it may either increase or decrease with temperature, depending upon relationship of t a to t o . the magnitude of the change is proportional to the threshold at t o . 4. slope efficiency is defined as p o / i f . 5. to compute the value of slope efficiency at a temperature t, use the following equation: (t) (25 o c)*[1+( ?/ t)*(t-25)] 6. rise and fall times specifications are the 20% - 80%. most of the devices will measure <135ps fall time. rise and fall times are sensitive to drive electronics. 7. to compute the value of series resistance at a temperature t, use the following equation: r s (t) r s (25 o c)*[1+ ( r s / t)*(t-25)] 8. monitor current tracking is defined as follows: iii. typical performance curves emitted power vs. current: power varies approximately linearly with current above threshold. threshold current vs. temperature: threshold current varies parabolically with temperature; thus it can be nearly constant for a limited temperature range. tem perature threshold current t min , i min i th i min [1.1 10 -4 (t -t min ) 2 +1] cu rr e n t pmax typical operating current / power i th 0.45mw / 0.45mw) (pi 0.75mw / 0.75mw) (pi deltrk opd opd = = =
hfe419x-441 product specification ? apr 2013 f i n i s a r confidential and proprietary ? 2012 finisar corporation. all rights reserved rev. a1 page 5 iv. environmental specifications parameter symbol mi n typ max units ref. case operating temperature t op -40 85 c storage temperature t sto -40 85 c v. regulatory compliance feature agency standard certificate number laser eye safety fda/cdrh cdrh 21 cfr 1040 and laser notice 50 copies of the referenced cer tificates are available at fi nisar corporation upon request.
hfe419x-441 product specification ? apr 2013 f i n i s a r confidential and proprietary ? 2012 finisar corporation. all rights reserved rev. a1 page 6 vi. mechanical specifications HFE4190-441 hfe4191-441 number function number function 1 k ld 1 a ld 2 k pd , a ld 2 k ld , a pd 3 a pd 3 k pd a ld vcsel anode a pd monitor photodiode anode k ld vcsel cathode k pd monitor photodiode cathode (dimensions are in inches [mm])
hfe419x-441 product specification ? apr 2013 f i n i s a r confidential and proprietary ? 2012 finisar corporation. all rights reserved rev. a1 page 7 xi. revision history revision date description a1 4/13/2013 ? document created. xii. for more information finisar corporation 1389 moffett park drive sunnyvale, ca 94089-1133 tel. 1-408-548-1000 fax 1-408-541-6138 sales@finisar.com www.finisar.com
|
