description the NX6308GH is a 1 310 nm multiple quantum well (mqw) structured distributed feed-back (dfb) laser diode with ingaas monitor pin-pd. application ? 1.25 gb/s ftth pon (fiber to t he home passive optical network) features ? optical output power p o = 10.0 mw ? low threshold current l th = 10 ma ? differential efficiency d = 0.4 w/a ? wide operating temperature range t c = ? 40 to +85 c ? ingaas monitor pin-pd ? can package 5.6 mm ? focal point 7.5 mm the mark ? shows major revised points. the revised points can be easily searched by copying an " ? " in the pdf file and specifying it in the "find what:" field. laser diode NX6308GH 1 310 nm ingaasp mqw-dfb laser diode for 1.25 gb/s ftth pon application document no. pl10692ej03v0ds (3rd edition) date published march 2010 ns
package dimensions (unit: mm) pin connections 1 (case) 2 3 4 ld pd bottom view 1 2 3 4 1.00.1 p.c.d 15.01.0 1.20.1 3.970.15 7.50.5 1102 (0.3) *2 (0.3) *2 4? 0.45 2.0 ( 5.6) *2 ( 4.3) *2 ( 3.75) *2 x = 200 m max. y = 200 m max. focal point *1 *1 focal point: a point to get maximum optical output power from fiber. *2 ( ) indicates nominal dimension. data sheet pl10692ej03v0ds 2 NX6308GH ?
ordering information part number package pin connections NX6308GH-az 4-pin can with aspherical lens cap 1 2 3 4 ld pd remarks 1. the color of ball lens cap might be observed differently. 2. the hermetic test will be performed as aql 1.0%. data sheet pl10692ej03v0ds 3 NX6308GH ?
absolute maximum ratings parameter symbol ratings unit optical output power p o 20 mw forward current of ld i f 150 ma reverse voltage of ld v r 2.0 v forward current of pd i f 10.0 ma reverse voltage of pd v r 15 v operating case temperature t c ?40 to +85 c storage temperature t stg ?40 to +85 c lead soldering temperature t sld 350 (3 sec.) c relative humidity (noncondensing) rh 85 % electro-optical characteristics (t c = ? 40 to +85 c, unless otherwise specified) parameter symbol conditions min. typ. max. unit optical output power p o cw 10.0 mw operating voltage v op p o = 10.0 mw 1.1 1.6 v threshold current i th t c = 25 c 10 20 ma 30 45 differential efficiency d t c = 25 c 0.30 0.40 w/a 0.15 peak emission wavelength p cw, p o = 10.0 mw, rms ( ?20 db) 1 290 1 330 nm side mode suppression ratio smsr p o = 10.0 mw, rms ( ?20 db) 30 45 db rise time t r i b = i th , 10-90% 500 ps fall time t f i b = i th , 90-10% 500 ps monitor current i m v r = 1.5 v, p o = 10.0 mw 80 800 a monitor dark current i d v r = 5 v 100 na monitor pd terminal capacitance c t v r = 5 v 20 pf tracking error *1 i m = const. (@ p o = 10.0 mw, t c = 25 c) ?1.0 1.0 db *1 tracking error: 0 i m i m t c = 25c t c = ?40 to +85 p o (mw) p o 10.0 (ma) c = 10 log [db] p o 10.0 data sheet pl10692ej03v0ds 4 NX6308GH
reference document name document no. opto-electronics devices pamphlet px10160e data sheet pl10692ej03v0ds 5 NX6308GH
the information in this document is current as of march, 2010. the information is subject to change without notice. for actual design-in, refer to the latest publications of nec electronics data sheets, etc., for the most up-to-date specifications of nec electronics products. not all products and/or types are available in every country. please check with an nec electronics sales representative for availability and additional information. no part of this document may be copied or reproduced in any form or by any means without the prior written consent of nec electronics. nec electronics assumes no responsibility for any errors that may appear in this document. nec electronics does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from the use of nec electronics products listed in this document or any other liability arising from the use of such products. no license, express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec electronics or others. descriptions of circuits, software and other related information in this document are provided for illustrative purposes in semiconductor product operation and application examples. the incorporation of these circuits, software and information in the design of a customer's equipment shall be done under the full responsibility of the customer. nec electronics assumes no responsibility for any losses incurred by customers or third parties arising from the use of these circuits, software and information. while nec electronics endeavors to enhance the quality and safety of nec electronics products, customers agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely. in addition, nec electronics products are not taken measures to prevent radioactive rays in the product design. when customers use nec electronics products with their products, customers shall, on their own responsibility, incorporate sufficient safety measures such as redundancy, fire-containment and anti-failure features to their products in order to avoid risks of the damages to property (including public or social property) or injury (including death) to persons, as the result of defects of nec electronics products. nec electronics products are classified into the following three quality grades: "standard", "special" and "specific". the "specific" quality grade applies only to nec electronics products developed based on a customer- designated "quality assurance program" for a specific application. the recommended applications of an nec electronics product depend on its quality grade, as indicated below. customers must check the quality grade of each nec electronics product before using it in a particular application. the quality grade of nec electronics products is "standard" unless otherwise expressly specified in nec electronics data sheets or data books, etc. if customers wish to use nec electronics products in applications not intended by nec electronics, they must contact an nec electronics sales representative in advance to determine nec electronics' willingness to support a given application. (note) ? ? ? ? ? ? m8e090 (1) (2) "nec electronics" as used in this statement means nec electronics corporation and also includes its majority-owned subsidiaries. "nec electronics products" means any product developed or manufactured by or for nec electronics defined above). computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots. transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support). aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems and medical equipment for life support, etc. "standard": "special": "specific": 4e (as data sheet pl10692ej03v0ds 6 NX6308GH
safety information on this product danger invisible laser radiation avoid direct exposure to beam output power mw max wavelength nm class lllb laser product avoid exposure-invisible laser radiation is emitted from this aperture semiconductor laser warning laser beam a laser beam is emitted from this diode during operation. the laser beam, visible or invisible, directly or i ndirectly, may cause injury to the eye or loss of eyesight. ? do not look directly into the laser beam. ? avoid exposure to the laser beam, any reflected or collimated beam. caution gaas products this product uses gallium arsenide (gaas). gaas vapor and powder are hazardous to human health if inhaled or ingested, so please observe the following points. ? follow related laws and ordinances when disposi ng of the product. if there are no applicable laws and/or ordinances, dispose of the product as recommended below. 1. commission a disposal company able to (wit h a license to) collect, transport and dispose of materials that contain arsenic and other such industrial waste materials. 2. exclude the product from general industria l waste and household garbage, and ensure that the product is controlled (as industrial waste subjec t to special control) up until final disposal. ? do not burn, destroy, cut, crush, or chemically dissolve the product. ? do not lick the product or in any way allow it to enter the mouth. NX6308GH
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