nec's ingaasp mqw-dfb laser diode in can package for 2.5 gb/s, cwdm applications NX6508 series features ? o ptical output power p o = 5.0 mw ? peak emission wavelength p = 1 470 to 1 610 nm (based on itu-t recommendations) ? low threshold current i th = 10 ma ? high speed t r = 100 ps max ? side mode suppression ratio smsr = 40 db ? operating case temperature range t c = -20 to + 85 c ? ingaas monitor pin-pd ? can package ? 5.6 mm ? based on telcordia reliability nec's NX6508 series are 1 470 to 1 610 nm multiple quantum well (mqw) structured distributed feed-back (dfb) laser diode with ingaas monitor pin-pd. these devices are ideal for 2.5 gb/s cwdm application. description california eastern laboratories preliminary data sheet electro-optical characteristics ( t c = -20 to + 85 c, unless otherwise speci?ed) part number NX6508 series symbols parameter and conditions unit min. typ. max. p o optical output power from fiber, cw mw 5.0 v op operating voltage, p o = 5.0 mw v 1.1 1.6 i th threshold current, t c = 25 c ma 10 20 5 0 d differential ef?ciency p o = 5.0 mw, t c = 25 c w/a 0.18 0.25 p o = 5.0 mw 0.10 ? d temperature dependence of differential ef?ciency ? d = 10 log d (@ t c c) d (@ 25 c) db ? 3.0 ? 1.6 p peak emission wavelength, p o = 5.0 mw nm p ? 2 p *1 p +2 ? / t temperature dependence of peak emission wavelength, cw nm/ c 0.08 0.1 0.12 smsr side mode suppression ratio, p o = 5.0 mw db 30 40 t r rise time, 20-80%, p o = 5.0 mw ps 100 continued on next page
NX6508 series electro-optical characteristics ( t c = -20 to + 85 c, unless otherwise speci?ed) part number NX6508 series symbols parameter and conditions unit min. typ. max. t f fall time, 80-20%, p o = 5.0 mw ps 150 i m monitor current, v r = 1.5 v, p o = 5.0 mw a 200 1 000 2 000 i d monitor dark current v r = 1.5 v, t c = 25 c na 0.1 10 v r = 1.5 v 10 100 *1 available available for cwdm wavelengths based on itu-t recommendations p = 1 470, 1 490, 1 510, 1 530, 1 550, 1 570, 1 590, 1 610 nm please refer to table a . table a: cwdm wavelength code (@ t c = 25 c) wavelength code min. (nm) typ. (nm) max. (nm) 47 1 468 1 470 1 472 49 1 488 1 490 1 492 51 1 508 1 510 1 512 53 1 528 1 530 1 532 55 1 548 1 550 1 552 57 1 568 1 570 1 572 59 1 588 1 590 1 592 61 1 608 1 610 1 612 symbol parameter unit ratings p o optical output power from fiber mw 10 i f forward current of ld ma 150 v r reverse voltage of ld v 2.0 i f forward current of pd ma 2.0 v r reverse voltage of pd v 15 t c operating case temperature c -20 to +85 t stg storage temperature c ? 40 to +85 t sld lead soldering temperature c 350 (3 sec.) rh relative humidity % 85 absolute maximum ratings
NX6508 series package dimensions (units in mm) wavelength code : refer to table a package code : refer to package dimensions NX6508 xx pin connections 1 (case) 4 3 2 ld pd NX6508gkxx *1 1 (case) 2 3 4 ld pd NX6508ghxx *1 bott om view 1 2 3 4 1.00.1 p .c.d 15.01.0 1.20.1 focal point 3.970.1 7.51.0 11 0o2o 0.3 +0. 1 -0.0 0.3 +0. 1 -0.0 4C 0.45 2.0 5. 6 +0.00 -0.0 3 4.30.1 3.750.05 life support applications these nec products are not intended for use in life support devices, appliances, or systems where the malfunction of these prod ucts can reasonably be expected to result in personal injury. the customers of cel using or selling these products for use in such applications do so at their own risk and agree to fully indemnify cel for all damages resulting from such improper use or sale. a business partner of nec compound semiconductor devices, ltd. 05/03/2004 part number package NX6508-az* can package *note: please refer to the last page of this data sheet, compliance with eu directives for pb-free rohs compliance infomation. ordering information
4590 patrick henry drive santa clara, ca 95054-1817 telephone: (408 ) 9 19-250 0 facsimile : ( 40 8 ) 988-0279 subject: compliance with eu directives cel certifies, to its knowledge, that semiconductor and laser products detailed below are compliant with the requirements of european union (eu) directive 2002/95/ec restriction on use of hazardous substance s i n electrical and electronic equipment (rohs) and the requirements of eu directive 2003/11/ec restriction on penta and octa bde. cel pb-free products have the same base part number with a suffix added. the suffix Ca indicates that the device is pb-free. the Caz suffix is used to designate devices containing pb which are exempted from the requirement of rohs directive (*). in all cases the devices have pb-free terminals. all devices with these suffixes meet the requirements of the rohs directive. this status is based on cels understanding of the eu directives and knowledge of the materials that go into its products as of the date of disclosure of this information . restricted substanc e per rohs concentration limit per rohs (values are not yet fixed) concentration contained in cel devices -a -a z lead (p b) < 1000 ppm not detected (*) mercury < 1000 ppm not detected cadmiu m < 100 ppm not detected hexavalent chromiu m < 1000 ppm not detected pbb < 1000 ppm not detected pbde < 1000 ppm not detected if you should have any additional questions regarding our devices and compliance to environmental standards, please do not hesitate to contact your local representative. important information and disclaimer: informatio n p rovided by ce l o n its website or in other communications concertin g the substan ce content of its products represents knowledge and belief as of the date that it is provided. cel bases its know ledge and belief on informatio n provided by thir d p arties and makes no representation or warrant y as to the accura cy of such information. efforts are underw ay to better integrate information from third parties. cel has taken and continues to take reasonable steps to provide representative and ac curate information but ma y not have conducted destructive testing or chemical analysis on incoming ma terials and chemicals. cel and ce l suppliers consider certain information to be propri etar y, and thus cas numbers and other limited information may not be availabl e for release . in no event shall cels liability arising out of such information exceed the total purchase price of the cel part(s) at issue s old by cel to customer on an annual basis. see cel terms and conditions for additional clarification of wa rranties and liabilit y.
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