nec's 1625 nm ingaasp mqw fp pulsed laser diode in dip package for otdr application (120 mw min) nx7661jb-bc features ? high output power: p f = 120 mw min at i fp = 1000 ma, pulse width (pw) = 10 ms, duty = 1% ? long wavelength: c = 1625 nm ? internal thermoelectric cooler, thermistor ? hermetically sealed 14 pin dual-in-line package ? single mode fiber pigtail nec's nx7661jb-bc is a 1625 nm developed strained mul- tiple quantum well (st-mqw) structure pulse laser diode dip module with single mode fiber and internal thermoelectric cooler. it is designed for light sources of optical measurement equipment (otdr). description part number nx7661jb-bc symbols parameters and conditions units min typ max v fp forward voltage, cw, i f = 30 ma v 4.0 i th threshold current, cw ma 30 70 p f optical output power from fiber, i fp = 1000 ma, mw 120 pw = 10 s, duty = 1 % c center wavelength, rms, i fp = 1000 ma, nm 1615 1625 1635 pw = 10 s, duty = 1 % spectral width, rms, i fp = 1000 ma, pw = 10 s, duty = 1 % nm 7.0 15.0 t r rise time, 10-90% ns 2.0 t f fall time, 90-10% ns 2.0 electro-optical characteristics (t ld = 25 c, t c = -20 to +65 c, unless otherwise specified) part number nx7661jb-bc symbols parameters and conditions units min typ max r thermistor resistance, t ld = 25 ck ? 9.5 10.0 10.5 b b constant k 3350 3450 3550 i c cooler current, ? t = 40 k a 0.6 0.8 v c cooler voltage, ? t = 40 k v 1.1 1.5 ? t 1 cooling capacity, i c = 0.8 a k 40 electro-optical characteristics applicable to thermistor and tec: (t ld = 25 c, t c = -20 to +65 c, unless otherwise specified) california eastern laboratories note: 1. ? t = | t c - t ld |.
part number description NX7661JB-BC-AZ* with fc-pc connector ordering information absolute maximum ratings 1 (t c = 25 c, unless otherwise specified) symbols parameters units ratings i fp pulsed forward current 2 a 1.2 v r reverse voltage v 2.0 i c cooler current a 1.0 v c cooler voltage v 2.0 i t thermistor current ma 0.5 v t thermistor voltage v 12.0 t c operating case temperature c -20 to +65 t stg storage temperature c -40 to +70 t sld lead soldering c 260 temperature (10 sec) notes: 1. operation in excess of any one of these parameters may result in permanent damage. 2. pulse condition: pulse width (pw) = 10 s, duty = 1 %. nx7661jb-bc typical performance curves (t c = 25 c unless otherwise specified) pw = 10 s, duty = 1% 300 200 100 0 200 400 600 800 1000 1200 pw = 10 s duty = 1% 1580 1630 1680 50 30 20 10 5 3 2 1 02550 75 optical output power from fiber vs. pulsed forward current spectrum wavelength (nm) pulsed forward current, i fp (ma) optical output from fiber, p f (mw) thermistor resistance vs. case temperature case temperature, t c ( c) thermistor resistance, r (k ? ) *note: please refer to the last page of this data sheet. "compliance with eu directives" for pb-free rohs compliance information.
outline dimensions (units in mm) pin no. function pin no. function 1 cooler anode 8 nc 2 nc 9 laser cathode 3 nc 10 laser anode, 4 nc case ground 5 laser anode, 11 thermistor case ground 12 thermistor 6nc 13nc 7 nc 14 cooler cathode pin connections bottom view cooler ld thermistor case #1 #14 #8 #7 21.3 20.8 25.4 12.7 1.0 10.2 11.66 2.54 6.5 optical fiber sm - 9/125 length: 1 m typ 8.1 5.6 5.0 3.0 0.9 0.45 1.0 3.0 5.1 7.62 19.1 4.0 ?3.2 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. nx7661jb-bc a business partner of nec com p ound semiconductor devices, ltd . 03/03/2003
3-180 4590 patrick henry drive santa clara, ca 95054-1817 telephone: (408) 919-2500 facsimile: ( 408 ) 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 substances in 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 ? indicates that the device is pb-free. the ?z 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 cel? 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 substance per rohs concentration limit per rohs (values are not yet fixed) concentration contained in cel devices -a -az lead (pb) < 1000 ppm not detected (*) mercury < 1000 ppm not detected cadmium < 100 ppm not detected hexavalent chromium < 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: information provided by cel on its website or in other communications concerting the substan ce content of its products represents knowledge and belief as of the date that it is provided. cel bases its knowledge and belief on information provided by third parties and makes no representation or warranty as to the accuracy of such information. efforts are underway t o better integrate information from third parties. cel has taken and continues to take reasonable steps to provide representative and ac curate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. cel and ce l suppliers consider certain information to be proprietary, and thus cas numbers and other limited information may not be available for release. in no event shall cel? 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 warranties and liability.
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