nec's 1310 nm ingaasp mqw fp laser diode in coaxial package for fiber optic communications nx7304bg-cc NX7304CG-CC features ? center wavelength: c = 1310 nm ? high output power from fiber: p f = 2.0 mw min ? low threshold current: i th = 10 ma ? high cut-off frequency: f c = 2.0 ghz ? ingaas monitor pin-pd ? wide operating temperature range: t c =-40 to +85 c ? with sc-upc connector ? based on telcordia reliability nec's nx7304bg-cc and NX7304CG-CC are 1310 nm mul- tiple quantum well (mqw) structured fabry-perot (fp) laser diode coaxial modules with single mode fiber. these modules are ideal as a light source for itu-t recommended synchro- nous digital hierarchy (sdh) systems, for fiberoptic commu- nications such as sonet and for digital transmission. description california eastern laboratories part number nx7304bg-cc NX7304CG-CC symbols parameters and conditions units min typ max v op operating voltage, p f = 2.0 mw v 1.1 1.3 i th threshold current, ma 10 25 t c = 85 c2550 i mod modulation current, p f = 2.0 mw ma 15 20 d differential efficiency, w/a 0.100 0.150 t c = 85 c 0.075 0.100 c center wavelength, p f = 2.0 mw, rms (-20 db) nm 1290 1310 1330 t c = -40 to +85 c 1260 1360 ? / ? t temperature dependence of center emission wavelength, t c = -40 to +85 c nm/ c 0.4 0.5 spectral width, p f = 2.0 mw, rms (-20 db) nm 1.3 2.5 t c = 85 c 1.5 4.0 t r rise time, 10 to 90% ns 0.2 0.5 t f fall time, 90 to 10% ns 0.3 0.5 i m monitor current, v r = 5 v , p f = 2.0 mw a 100 700 i d monitor dark current, v r = 5 v na 0.1 10 1 tracking error, i m = const., t c = -40 to +85 cdb 1.0 electro-optical characteristics (t c = 25 c, unless otherwise specified) note: 1. p f (mw) t c = 25 c t c = -40 to +85 c 2.0 0 p f i m i m p f = 10 log 2.0 mw preliminary data sheet
case temperature, t c ( c) center wavelength, c (nm) temperature dependence of center w av elength output power from fiber vs. forward current threshold current, i th (ma) operation current, i op (ma) case temperature, t c ( c) case temperature, t c ( c) differential efficieny from fiber, d (w/a) temperature dependence of differential efficiency from fiber output power from fiber, p f (mw) forward current, i f (ma) typical performance curves (t c = -40 to +85 c) threshold current and operation current vs. case temperature note: 1. operation in excess of any one of these parameters may result in permanent damage. nx7304bg-cc, NX7304CG-CC absolute maximum ratings 1 (t c = 25 c, unless otherwise specified) symbols parameters units ratings pf optical output power from fiber i f forward current of ld ma 150 v r reverse voltage of ld v 2.0 i f forward current of pd ma 10 v r reverse voltage of pd v 20 t c operating case temperature c -40 to +85 t stg storage temperature c -40 to +85 t sld lead soldering temperature (10 s) c 260 rh relative humidity % 85 (noncondensing) 5.0 4.0 3.0 2.0 1.0 0 50 100 150 t c = -40? t c = +25? t c = +70? t c = +85? 100 10 20 30 50 5 3 2 1 -60 -40 -20 0 20 40 60 80 100 i th i op 0.3 0.2 0.1 0 -60 -40 -20 0 20 40 60 80 100 1360 1320 1340 1300 1280 1260 -60 -40 -20 0 20 40 60 80 100
nx7304bg-cc, NX7304CG-CC forward current vs. forward voltage forward current, i f (ma) forward voltage, v f (v) typical performance curves (t c = 25 c) longitudinal mode from fiber output power from fiber, p f (mw) monitor current, i m (ma) relative intensity wavelenght, (nm) output power from fiber vs. monitor current 1300 1310 1320 3.0 2.0 1.0 0 0.5 1.0 1.5 50 40 30 20 10 0 12 remark: the graphs indicate nominal characteristics. ordering information part number available description connector nx7304bg-cc flat mount flange with sc-upc connector NX7304CG-CC
nx7304bg-cc, NX7304CG-CC outline dimensions (units in mm) optical fiber characteristics parameter units specification mode field diameter m 9.5 1 cladding diameter m 125 2 maximum cladding noncircularity % 2 maximum core/cladding concentricity % 1.6 outer diameter mm 0.9 0.1 cut-off wavelength nm 1100 to 1270 minimum fiber bending radius mm 30 fiber length mm 500 50 flammability ul 1581 vw-1 8.990.5 mm 352 mm fiber length: 50050 mm sc-upc connector nx7304bg-cc ?0.9 optical fiber (smf) length: 0.5 m with sc connector 8.00.3 0.50.2 ?7.00.2 ?0.450.05 15.0 7.3 0.5 28.31.0 19.51.0 16.0 6.0 pd 3 2 l d 4 1 case p.c.d. = ?2.0 4?r1.250.2 2??2.5 8.50.2 1 2 3 4 12.00.15 7.00.2 ?0.9 optical fiber (smf) length: 0.5 m with sc connector 8.00.3 ?7.00.2 4.00.2 2.2 3.2 ?2.2 ?0.450.05 18.31.0 25.51.0 1.20.2 20.01.0 12.70.2 17.00.2 p .c.d. = ?2.0 7.20.3 3.70.3 1.00.1 pd ld 4 1 3 2 case 6.0 NX7304CG-CC a business partner of nec com p ound semiconductor devices, ltd . 02/27/2003 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.
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