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the mark shows major revised points. the revised points can be easily s earched by copying an "" in the pdf file and specifying it in the "find what:" field. data sheet the information in this document is subject to change without notice. before using this document, please confirm that this is the latest version. not all products and/or types are available in every country. please check with an nec electronics sales representative for availability and additional information. laser diode nx8341 series 1 310 nm algainas mqw-dfb laser diode for 10 gb/s application document no. pl10525ej03v0ds (3rd edition) date published february 2007 ns cp(n) printed in japan 2004, 2007 description the nx8341 series is a 1 310 nm multiple quantum well (mqw) structured distributed feed-back (dfb) laser diode tosa (transmitter optical subassembly) with ingaas monitor pi n-pd in a receptacle type package designed for xenpak/xpak/x2/xfp transceiver. applications ? 10 g base-lw/lr ? 10 g fiber channel features ? internal optical isolator ? optical output power p f = ? 2 dbm ? low threshold current l th = 8 ma typ. @ t c = 25 c ? wide operating temperature range t c = ? 5 to +85 c ? ingaas monitor pin-pd
data sheet pl10525ej03v0ds 2 nx8341 series package dimensions (unit : mm) nx8341tb/tp (4.05) 5.55 5.15 8.7 0.55 1.75 1.35 1.3 30.1 1.00.2 optical reference plane gnd surface signal surface 3.50.1 3.50.1 5.20.05 5.20.05 5.60.05 5.0 2.99 2.92 remarks1. receptacle is electrically isolated from can. 2. characteristic impedance of flexible printed circuit is 25 . 3. nx8341tp has no matching resistor installed. bottom view 18.17 4.65 2.8 2 ? 3.77 1.5 2 ? 1.6 6?0.45 5?0.79 5.7 0.13 6?r0.15 18 ? 0.2 2 ? 0.5 pd cathode gnd ld cathode ld anode gnd nc gnd gnd 0.280.1 5.6
data sheet pl10525ej03v0ds 3 nx8341 series NX8341TJ 5.55 30.1 1.00.2 gnd surface signal surface 5.20.05 5.20.05 5.60.05 2.920.05 4.0450.05 6.990.2 12.55 typ. 1.10.05 0.550.05 optical reference plane 3.40.03 4.750.1 0.03 a a remark characteristic impedance of flexible printed circuit is 25 . bottom view 18.17 4.65 2.8 2 ? 3.77 1.5 2 ? 1.6 6?0.45 5?0.79 5.7 0.13 6?r0.15 18 ? 0.2 2 ? 0.5 pd cathode gnd ld cathode ld anode gnd nc gnd gnd 0.280.1 5.6
data sheet pl10525ej03v0ds 4 nx8341 series nx8341tl 6.940.05 11.60.2 5.55 17.15 typ. 0.550.05 30.1 optical reference plane 4.70.05 7.40.1 4.640.05 gnd surface signal surface 5.60.05 5.20.05 5.20.05 1.00.2 remark characteristic impedance of flexible printed circuit is 25 . bottom view 18.17 4.65 2.8 2 ? 3.77 1.5 2 ? 1.6 6?0.45 5?0.79 5.7 0.13 6?r0.15 18 ? 0.2 2 ? 0.5 pd cathode gnd ld cathode ld anode gnd nc gnd gnd 0.280.1 5.6
data sheet pl10525ej03v0ds 5 nx8341 series nx8341ub (4.05) 5.55 5.15 8.7 0.55 1.75 1.35 1.3 30.1 1.00.2 optical reference plane 3.50.1 3.50.1 5.20.05 5.20.05 5.0 2.99 2.92 14.50.6 p.c.d 2.70.2 5? 0.30.05 5.60.05 remark receptacle is electrically isolated from can. bottom view 12 3 4 5 12 5 10 10 3 4 ld pd g pin connections
data sheet pl10525ej03v0ds 6 nx8341 series pin connections bottom view 1 2 3 4 5 12 5 20 3 4 ld pd l g nx8341uh 2.920.05 4.0450.05 6.990.2 5.55 12.55 typ. 14.50.6 0.550.05 1.10.05 1.00.2 3.00.1 p.c.d optical reference plane 3.40.03 2.70.2 5? 0.30.05 5.60.05 4.750.1 0.03 a a 5.20.05 5.20.05
data sheet pl10525ej03v0ds 7 nx8341 series nx8341uj bottom view 12 3 4 5 1 2 5 10 10 3 4 ld pd g pin connections 2.920.05 4.0450.05 6.990.2 5.55 12.55 typ. 14.50.6 0.550.05 1.10.05 1.00.2 3.00.1 p.c.d optical reference plane 3.40.03 2.70.2 5? 0.30.05 5.60.05 4.750.1 0.03 a a 5.20.05 5.20.05
data sheet pl10525ej03v0ds 8 nx8341 series nx8341ul 6.940.05 11.60.2 5.55 17.15 typ. 14.50.6 0.550.05 3.00.1 1.00.2 optical reference plane 2.70.2 5.60.05 4.70.05 7.40.1 p.c.d 5? 0.30.05 4.640.05 5.20.05 5.20.05 bottom view 12 3 4 5 12 5 10 10 3 4 ld pd g pin connections
data sheet pl10525ej03v0ds 9 nx8341 series pin connections bottom view nx8341un 1 2 3 4 5 12 5 20 3 4 ld pd l g 6.940.05 11.60.2 5.55 17.15 typ. 14.50.6 0.550.05 3.00.1 1.00.2 optical reference plane 2.70.2 5.60.05 4.70.05 7.40.1 p.c.d 5? 0.30.05 4.640.05 5.20.05 5.20.05
data sheet pl10525ej03v0ds 10 nx8341 series ordering information part number receptacle type note nx8341tb lc, electrically isolated differential input with flexible pcb NX8341TJ lc differential input with flexible pcb nx8341tl sc differential input with flexible pcb nx8341tp lc, electrically is olated differential input with flexib le pcb, without matching resistor nx8341ub lc, electrica lly isolated differential input, 5-pin nx8341uh lc single-ended, 5-pin nx8341uj lc differential input, 5-pin nx8341ul sc differential input, 5-pin nx8341un sc single-ended, 5-pin
data sheet pl10525ej03v0ds 11 nx8341 series absolute maximum ratings parameter symbol ratings unit storage temperature t stg ? 40 to +85 c operating case temperature t c ? 5 to +85 c forward current of ld i fld 120 ma reverse voltage of ld v rld 2 v forward current of pd i fpd 10 ma reverse voltage of pd v rpd 20 v lead soldering temperature t sld 350 (3.5 sec.) c optical output power p f 5 mw
data sheet pl10525ej03v0ds 12 nx8341 series electro-optical characteristics (t c = ? 5 to +85 c, bol, unless otherwise specified) parameter symbol conditions min. typ. max. unit mean optical output power p f ? 2 dbm peak emission wavelength p cw, p f = ? 2 dbm 1 290 1 330 nm side mode suppression ratio smsr cw, p f = ? 2 dbm 30 db threshold current i th cw, t c = 25 c 8 20 ma cw 2 40 differential efficiency d cw, p f = ? 2 dbm, t c = 25 c 0.02 0.025 0.04 w/a cw, p f = ? 2 dbm 0.005 0.05 operation voltage v op cw, p f = ? 2 dbm 2 v monitor current i m p f = ? 2 dbm, v r = 1.5 v *1 90 700 a monitor dark current i d v r = 1.5 v, t c = 25 c 5 na v r = 1.5 v 50 rise time t r 20-80% *1 30 50 ps fall time t f 20-80% *1 40 50 ps extinction ratio ex 10 gbe, 10 g fc *1 4 5 db tracking error *2 ? 1.0 1.0 db input impedance z in 25 connector repeatability cr with master pigtail ? 1.0 1.0 db *1 9.95/10.3/10.5 gb/s, prbs 2 31 ? 1, nrz, duty cycle = 50% *2 tracking error: 0 i m i m t c = 25?c t c = ?5 to +85?c p f (mw) p f p f @ 25?c (ma) = 10 log [db] p f p f @ 25?c
data sheet pl10525ej03v0ds 13 nx8341 series reference document name document no. opto-electronics devices pamphlet px10160e
data sheet pl10525ej03v0ds 14 nx8341 series the information in this document is current as of february, 2007. the information is subject to change without notice. for actual design-in, refer to the latest publications of nec electronics data sheets or data books, 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, reliability and safety of nec electronics products, customers agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely. to minimize risks of damage to property or injury (including death) to persons arising from defects in nec electronics products, customers must incorporate sufficient safety measures in their design, such as redundancy, fire-containment and anti-failure features. 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) ? ? ? ? ? ? m8e 02. 11-1 (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 (as 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":
nx8341 series 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 in visible, directly or indi rectly, 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 ordinanc es when disposing of the produc t. 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 industria l waste subject to special c ontrol) up until final disposal. ? do not burn, destroy, cut, crush, or chemically di ssolve the product. ? do not lick the product or in any way allow it to enter the mouth. caution optical fiber a glass-fiber is attached on the product. handle with care. ? when the fiber is broken or damaged, handle care fully to avoid injury from the damaged part or fragments.

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