f i n i s a r confidential and proprietary ? 2013 finisar corpora tion. all rights reserved rev. a1 page 1 product specification 2.5gbps, 850nm vcsel, to-46 package HFE4093-342 product features ? 850nm multi-mode oxide isolated vcsel ? capable of modulation operation from dc to 2.5gbps ? to-46 flat window metal can component ? designed for drive currents between 3- 15ma average ? packaged with a back monitor ? un-attenuated window can ? attenuated versions also available these products are high-performance 850nm vcsels (v ertical cavity surface-emitting lasers) designed for high-speed data communications and pac kaged with a custom designed power monitor diode. the power monitor diode can be used with appropriate feedback control circuitry to set a maximum power level for the vcsel. these c ombined features simplify design for high data rate communication and eye safety. these products are high radiance vcsels designed to convert electrical current into optical power that can be used in fiber optic communication s and other applications. as the current varies above threshold, the light intensity increas es proportionally. these products are designed to be used with inexpen sive silicon or gallium arsenide detectors, but excellent performance can also be achieved with some indium gallium arsenide detectors (see hfd3081-108 and hfd3081-203 product data sheet s). the low drive current requirement makes direct driv e from pecl (positive emitter coupled logic) or ecl (emitter coupled logic) gates possibl e and eases driver design. these are designed to interface with 50/125 and 62. 5/125mm multi-mode fiber. they produce circularly symmetric, non-astigmatic, narrow diverg ence beams that, with appropriate lensing, fiber couple all of the emitter power product selection part number description HFE4093-342 un-attenuated to-46 component, vcsel with back moni tor photodiode, anode of vcsel common with photodiode c athode
HFE4093-342 product specification ? aug 2014 f i n i s a r confidential and proprietary ? 2013 finisar corpora tion. all rights reserved rev. a1 page 2 i. absolute maximum ratings parameter rating storage temperature -40 to +100 c case operating temperature -40* to +85 c lead solder temperature 260 c, 10 sec. laser continuous forward current 12ma laser peak forward current with pulse width less than 1ms 18ma laser reverse voltage 5v esd exposure (human body model) 225v 1 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 thes e or any other conditions above those indicated 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-indu ced damage and/or degradation to equipment, take normal esd pr ecautions when handling this product
HFE4093-342 product specification ? aug 2014 f i n i s a r confidential and proprietary ? 2013 finisar corpora tion. all rights reserved rev. a1 page 3 ii. electro-optical characteristics (t op = 25 c unless otherwise stated) notes: vcsel parameters test condition symbol min. typ. max. units notes optical power output i f = 7ma p o 2.0 mw 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 0.225 0.4 0.6 mw/ma 4 t a = -40 o c 0.75 mw/ma t a = 85 o c 0.19 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 rollover p max 1.25 mw 6 rise and fall times pavg = 2mw, extinction ratio = 10 t r t f 130 150 ps 7 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 8 beam divergence 15 30 degrees 9 beam divergence current variation ?/? f 0.45 degree/ma photodiode parameters test condition symbol min. typ. max. units notes monitor current po = 2mw, t a = 25 o c i pd tbd 0.025 tbd ma 10 po = 2mw, t a = -40 o c i pd tbd tbd 10 po = 2mw, t a = +85 o c i pd tbd tbd ma 10 monitor current temperature variation po = 2mw, 0 o c to 70 o c ? i pd / ? t tbd %/ o c 10 monitor current tracking deltrk tbd 10, 11 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
HFE4093-342 product specification ? aug 2014 f i n i s a r confidential and proprietary ? 2013 finisar corpora tion. all rights reserved rev. a1 page 4 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 temperatu re, depending upon relationship of t a to t o . the magnitude of the change is proportional to th e threshold at t o . 4. slope efficiency is defined as ? p o / ? i f . 5. to compute the value of slope efficiency at a tempe rature t, use the following equation: (t) (25 o c)*[1+( ?/? t)*(t-25)] 6. rollover is the power at which a further current in crease does not result in a power increase. 7. 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 el ectronics. 8. to compute the value of series resistance at a temp erature t, use the following equation: r s (t) r s (25 o c)*[1+ (? r s / ? t)*(t-25)] 9. beam divergence is defined as the total included an gle between the 1/e 2 intensity points. 10. these specifications are for the to-46 component al one. reflections introduced by any subsequent higher level assembly may affect these v alues. 11. 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. t e m p e r a tu r e threshold current t m in , i m in i t h i m in [1 . 1 1 0 - 4 (t -t m in ) 2 + 1 ] 0.45mw / 0.45mw) (p i 0.75mw / 0.75mw) (p i deltrk o pd o pd = = = current pmax typical operating current / power i th
HFE4093-342 product specification ? aug 2014 f i n i s a r confidential and proprietary ? 2013 finisar corpora tion. all rights reserved rev. a1 page 5 iv. environmental specifications parameter symbol min typ max units ref. case operating temperature t op -40 100 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 95214 87 copies of the referenced certificates are available at finisar corporation upon request. vi. mechanical specifications (dimensions are in inches) pin description 1 k ld 2 k pd , a ld 3 a pd
HFE4093-342 product specification ? aug 2014 f i n i s a r confidential and proprietary ? 2013 finisar corpora tion. all rights reserved rev. a1 page 6 vii. revision history revision date description b00 8/14/2014 ? changed to latest finisar format. viii. 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
|
