ML7XX14 series type name ml725b14f mitsubishi laser diodes ingaasp dfb-laser diodes description ML7XX14 series are mqw*-dfb** laser diodes emitting light beam around 1310nm. they are well suited for light source in long distance analog transmission system for example cable television (catv). the ML7XX14 is able to operate in wide temperature rang from -40oc to +85oc ml725b14f are hermetically sealed devices with the photo diode for optical output monitoring. * mqw : multiple quantum well ** dfb : distributed feedback features excellent low distortion characteristic cso (typ. -50dbc) ctb (typ. -55dbc) modulation depth m = 3.5%/channel po > 5mw 20 km single mode fiber low relative intensity noise characteristic (typ. -155db/hz) low threshold current (max. 20ma@25oc) high slope efficiency (min. 0.3mw/ma@25oc) high side mode suppression ratio (typ. 40db) application analog optical communications, such as catv absolute maximum ratings electrical/optical characteristics (tc=25oc mitsubishi electric ma symbol parameter test conditions min. typ. max unit ith threshold current cw -620 ma iop operation current cw,po=5mw - 18 40 ma slope efficiency cw,po=5mw 0.3 - - v vop operating voltage cw,po=5mw 1.2 1.8 mw/ma p peak wavelength cw,po=5mw, tc=-40 to +85oc 1290 1310 1330 nm beam divergence angle (full angle at half maximum) cw,po=5mw 25 deg. cw,po=5mw 0.05 0.2 - - smsr side mode suppression ratio cw,po=5mw , tc=-40 to +85oc i m cw,po=5mw 35 - -3040 30 40 - db monitoring output current cw, tc=85oc cw,po=5mw, tc=85oc - 30 40 cso ctb composite second order composite triple beat 78 channel transmission test modulation depth m=3.5%, po>5mw, 20km smf tc=-40 to 85oc db/hz - -155 - rin cw,po=5mw relative intensity noise - -50 -42 db - -55 -46 - 50 75 ifd forward current (photo diode) - 2 ma symbol paramete r conditions ratings unit po light output power cw 8 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 -40to+85 iop forward current (laser diode) - 150 ma jan. 2002
ml725b14f 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 ml725b14f ML7XX14 series mitsubishi laser diodes ingaasp dfb-laser diodes jan. 2002
|
