nec's ingaasp mqw-dfb tosa for 2.5 gb/s cwdm applications nx8510ud series features ? internal optical isolator ? peak emission wavelength p = 1 470 to 1 610 nm (based on itu-t recommendations) ? optical output power p f = 2.0 mw ? operating case temperature range t c = 0 to +70 c ? low threshold current l th = 10 ma typ. @ tc = 25c ? side mode suppression ratio smsr = 40 db ? ingaas monitor pin-pd ? small package nec's nx8510ud is a 1 470 to 1 610 nm multiple quantum w ell (mqw) structured distributed feed-back (dfb) laser diode tosa (transmitter optical sub-assembly) with ingaas monitor pin-pd in a receptacle type package designed for sff/sfp transceiver with lc duplex receptacle. this device is ideal for 2.5 gb/s cwdm application. description california eastern laboratories preliminary data sheet electro-optical characteristics (t c = 0 to +70 c, unless otherwise speci ed) notes continued on next page p art number nx851oud series symbols parameter and conditions unit min. typ. max. v op operating voltage, cw, p f = 2.0 mw v 1.1 1.6 i th threshold current cw, t c = 25 cma1020 cw 40 p f optical output power from fiber, cw, t c = 25 c, i f = i th + 20 ma mw 2.0 d differential ef ciency cw, p f = 2.0 mw, t c = 25 c w/a 0.07 0.1 cw, p f = 2.0 mw 0.04 p peak emission wavelength, cw, p f = 2.0 mw, rms ( ? 20 db) nm p ?3 p *1 p +3 ? / ? tt emperature dependence of peak emission wavelength, cw nm/ c 0.08 0.10 0.12 smsr side mode suppression ratio, cw, p f = 2.0 mw db 30 40 t r rise time, i b = i th, 20-80%, p f = 2.0 mw ps 100 t f fall time, i b = i th, 80-20%, p f = 2.0 mw ps 150 i m monitor current, cw, v r = 1.5 v, p f = 1.0 mw a 100 500 1 000 i d monitor dark current v r = 1.5 v, t c = 25 cna 0.1 50 v r = 1.5 v 10 500 t racking error *2 , cw, i m = const. (@p f = 2.0 mw) db -1.0 1.0 ? connector repeatability, with master pigtail db -1.0 1.0 *1 a vailable 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 t able a .
nx8510ud series t able a: cwdm wavelength code (@ t c = 25 c) *2 t racking error: wa velength code min. (nm) typ. (nm) max. (nm) 47 1 467 1 470 1 473 49 1 487 1 490 1 493 51 1 507 1 510 1 513 53 1 527 1 530 1 533 55 1 547 1 550 1 553 57 1 567 1 570 1 573 59 1 587 1 590 1 593 61 1 607 1 610 1 613 remark 2 nm to tolerance for optional 0 i m i m t c = 25? t c = 0 to +70? p f (mw) p f 2.0 (ma) = 10 log [db] p f 2.0
nx8510ud series symbol parameter unit ratings p f optical output power from fiber mw 5.0 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 t emperature c0 to +70 t stg storage temperature c ? 40 to +85 t sld lead soldering t emperature c 350 (3 sec.) absolute maximum ratings 1 p ackage dimensions (units in mm) wavelength code : refer to table a nx8510ud xx ordering information bottom view 1 4 3 2 pin connections 1 (case) 4 3 2 ld pd 4.045?.05 6.99?.2 12.0 max. 6.5?.5 0.55?.05 1.1?.05 (1.1) (2.55) 1.0 p.c.d optical reference plane 2.92 +0.05 -0.17 3.4?.03 1.43 4? 0.3 3.8 4.75?.1 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 com p ound semiconductor devices, ltd . 02/04/200 4
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