TMC-5F31-XXX high speed vcsel to-46 metal can features: ? industry standard to-46 package with flat window glass. ? optimized for fiber optical communication with a monitor pd. ? low dependence of electrical and optical characteristic over temperature. ? symmetrical beam. ? high coupling efficiency to multi-mode fibers. ? speed > 1 ghz. electro-optical characteristics: parameters symbol min typ max unit test conditions (1) threshold current i th 3 6 ma output power p o 1 2 3 mw i f =12 ma (2) operating current i op 12 ma adjustable to establish 1.5 mw output power slope efficiency h 0.25 mw/ma i f =12 ma (3) wavelength l p 830 850 860 nm i f =12 ma forward voltage v f 1.7 1.9 2.3 v i f =12 ma breakdown voltage v bd 10 15 v i r =10 m a series resistance r s 40 w i f =12 ma monitor current i m 1 2 ua v r =5 v, p o = 1.5 mw beam divergence q 8 degree i f =12 ma (4) notes: 1. all parameters except mentioned are measured at i f =12 ma, 25 c, cw. 2. higher power can be provided under request. 3. slope efficiency is defined as d p/(12-i th ) at 25 c. 4. beam divergence is defined as the angle of light intensity at full width at half maximum (fwhm). thermal characteristics: parameters symbol min typ max unit test conditions thermal resistance r th 900 c /w t a =25 c i th temperature variation d i th -1 1 ma t a =0~70 c v f temperature coefficient d v f / d t -2.5 -3.5 mv/ c t a =0~70 c, i f =12 ma b temperature coefficient dh / d t -0.15 %/ c t a =0~70 c, i f =12 ma f p temperature coefficient dl p / d t 0.06 nm/ c t a =0~70 c, i f =12 ma absolute maximum ratings: parameters min max unit conditions storage temperature -40 125 j operating temperature -20 85 j lead solder temperature 260 j 5 seconds continuous forward current 40 ma continuous reverse voltage 10 v
tmc-5f31 fig. 1 typical optical characteristics fig. 2 typical electrical characteristics fig. 3 spectrum when driving current 15 ma fig. 4 temperature dependence of threshold current 3 transverse modes typically. warning: the vcsel is a class iiib laser in the safety standard ansi z136.1 and should be treated as a potential eye hazard. 0 5 10 15 20 0 1 2 3 4 i th typical output power vs current outp ut power (m w) current (ma) 0 5 10 15 20 0 1 2 3 4 typical voltage vs current volt age (v) current (ma) -40 -20 0 20 40 60 80 100 0 1 2 3 4 5 6 7 8 typical threshold current vs ambient temperature threshold cur rent (m a) ambient temperature ( o c)
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