ml9xx11,ml9xx16,ml9xx22 series type name ml925b11f / ml925b16f / ml925b22f mitsubishi laser diodes ingaasp dfb laser diodes description ml9xx11,ml9xx16 and ml9xx22 series are dfb (distributed feedback) laser diodes emitting light beam with emission wave length of 1470 ~ 1610nm. they are well suited for light source in long distance digital transmission application of coarse wdm. they are hermetically sealed devices with the photo diode for optical output monitoring. features low threshold current (typical 10ma) wide temperature range operation high - side mode suppression ratio (typical 40db) high speed response (typical 0.2nsec) mqw* active layer fsbh** structure fabricated by mocvd process * multiple quantum well ** facet selective - growth buried hetero structure application long - distance digital transmission system coarse wdm application absolute maximum ratings electrical/optical characteristics (tc=25oc) mitsubishi electric ma symbol parameter test conditions min. typ. max. unit ith threshold current cw - 10 30 ma iop operation current cw,po=5mw - 20 60 ma slope efficiency cw,po=5mw 0.15 0.25 - v vop operating voltage cw,po=5mw 1.2 1.8 mw/ma p peak wavelength cw,po=5mw nm beam divergence angle (parallel) cw,po=5mw 25 deg. beam divergence angle cw,po=5mw - 0.2 - - (perpendicular) smsr side mode suppression ratio cw,po=5mw i m cw,po=5mw 35 - - 35 45 deg. 30 40 - db monitoring output current tr,tf rise and fall time if=ith,po=5mw,10 - 90% - 0.4 0.2 ns <***> ifd forward current (photo diode) - 2 ma symbol paramete r conditions ratings unit po light output power cw 6 mw vrl reverse voltage (laser diode) - 2 v vrd reverse voltage (photo diode) - 20 v tc case temperature - tstg storage temperature - -40to+100 oc oc 0to+85
mitsubishi laser diodes ml9xx11,ml9xx16,ml9xx22 series ingaasp dfb laser diodes ld pd (3) (2) (1) (4) case (1) 1.0min. 2.0min. 3.550.1 5.6 +0 -0.03 1.27 0.03 0.250.03 glass 18 1 2.10.15 1.2 0.1 4- 0.450.05 (2) 10.1 2-90 2.00.25 (p.c.d.) 4.25 (3) (4) (0.25) (0.25) reference plane emitting facet (1) (2) ????? ? mm outline drawings ml925b11f ml925b16f ml925b22f <***> peak wave len g th 1613 1593 1573 1553 1533 1513 1493 1473 1607 1587 1567 1547 1527 1507 1487 1467 1610 1590 1570 1550 1530 1510 1490 1470 nm cw po=5mw tc=25 oc p ml925b22f-06 ml925b22f-05 ml925b22f-04 ml925b11f-06 ml925b11f-05 ml925b11f-04 ml925b16f-05 ml925b16f-04 max. typ. min. limits unit test condition symbol type
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