mitsubishi laser diodes ML7XX19 series 1310nm ingaasp fp laser diodes type name ml720j19s, ml720k19s, ml728c19s ml725b19 f , ml725c19f description ML7XX19 series are ingaasp laser diodes which provide a stable, single transverse mode oscillation with emission wavelength of 1310nm and standa rd continuous light output of 5mw. ML7XX19 are hermetically sealed devices having the photo diode for optical output monitoring. this is suitable for such applications as the light sources for optical communication systems up to 2.5gbps transmission applications. features ? 1310nm typical emission wavelength, fp-lds ? wide temperature range operation(-40 to 85oc) ? 5.6mm to-ca n package flat window cap : ml720j19s, ml725b19f ball lens cap : ml720k19s, ml725c19f ? 3.8mm to-ca n package ball lens cap : ml728c19s application ? optical communication system absolute maximum ratings symbol parameter conditions ratings unit po light output power cw 10[7] mw vrl laser reverse voltage - 2 v vrd pd reverse voltage - 20 v ifd pd forward current - 2 ma tc operation temperature - -40 to +85 oc tstg storage temperature - -40 to +100 oc electrical/optical characteristics(tc=25 o c) symbol parameter test conditions min. typ. max. unit ith threshold current cw 3 5 15 ma iop operation current cw, po=5mw[3mw] 10 20 30 ma vop operating voltage cw, po=5mw[3mw] --- 1.1 1.5 v slope efficiency cw, po=5mw[3mw] 0.3[0.2] 0.45[0.35] 0.6[0.5] mw/ma c center wavelength cw, po=5mw[3mw] 1290 1310 1330 nm ? spectral width cw, po=5mw[3mw],rms(-20db) --- 1.0 2.0 nm // beam divergence angle(parallel) cw, po=5mw[3mw] --- 25[11] --- deg. ? beam divergence angle (perpendicular) cw, po=5mw[3mw] --- 30[11] --- deg. tr,tf rise and fall time (20%-80%) ib=ith,po=5mw[3mw],20-80% --- 0.1 0.15 nsec im monitor current (pd) cw, po=5mw[3mw], vrd=1v, 0.1 0.5 0.9 ma id dark current (pd) vrd=10v --- --- 0.1 a ct capacitance (pd) vrd=10v, f=1mhz --- 10 20 pf pf <2> cw, pl=3mw,si10/125 0.2 0.5 --- mw ml720k19s ml725c19f 5.0 5.8 6.2 df <2> fiber coupling characteristics at peak coupling <3> cw, pl=3mw,si10/125 ml728c19s 3.0 3.4 3.8 mm note : <1> [ ] applied to the lens cap type. note : <2> pf, df are app lied to the ball lens type. note : <3> df is a distance between refe rence plane of the base to the fiber. mitsubishi electric m a y 20 0 4 notice: some parametric limits are subject to change .
ml720j19s ml725b19f ml720k19s ml725c19f mitsubishi electric may 200 4 mitsubishi laser diodes ML7XX19 series 1310nm ingaasp fp laser diodes outline drawings dimension : mm dimension : mm (1) 1.0min. 1.5min. 3.550.1 5.6 +0 -0.03 1.27 0.03 0.25 0.03 18 1 2.1 0.15 1.2 0.1 4-0.45 0.05 (2) 1 0.1 2-90 2.0 0.25 (p.c.d.) 4.25 (3) (4) (0.25) (0.25) reference plane emitting facet (1) (2) (glass) (1) 1.5 0.005 3.55 0.1 5.6 +0 -0.03 1.27 18 1 3.9 0.2 1.2 0.1 4-0.45 0.05 (2) 1 0.1 2-90 2.0 0.25 (p.c.d.) 4.25 (3) (4) (0.25) (0.25) reference plane emitting facet (1) (2) (3.05) (5.8) 0.03 case (1) (2) (3) (4) pd ld pin connection ( top view ) ml720j19s ml725b19f case (1) (2) (3) (4) pd ld case (1) (2) (3) (4) pd ld pin connection ( top view ) ml720k19s ml725c19f case (1) (2) (3) (4) pd ld
ml728c19s mitsubishi electric m a y 20 0 4 mitsubishi laser diodes ML7XX19 series 1310nm ingaasp fp laser diodes outline drawings 3.8 (3) (4) (1) 70.5 1.00.1 4-0.350.03 (2) 1.43 (p.c.d.) 1.4 reference plane emitting facet 2.920.03 (df=3.4) (2.6) (3.7) +0 -0.03 x (r0.13max) case (1) (2) (3) (4) pd ml728c19s pin connection ld ( top view )
0.0 0.2 0.4 0.6 0.8 1.0 1.2 -60 -40 -20 0 20 40 60 angle () relative light output q^ q// po=5mw tc=25c -80 -70 -60 -50 -40 -30 1295 1305 1315 1325 1335 1345 wavelength (nm) relative intensity (db) po=5mw, cw tc=25c 0 2 4 6 8 10 0 10 20 30 40 50 60 forward current if (ma) light output po (mw) 25c 50c 75c 85c ML7XX19 series mitsubishi laser diodes 1310 nm ingaasp fp laser diode typical characteristics fig. 1 light output v.s. forward current fig. 2 spectrum fig. 3 far field pattern
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