
MITSUBISHI LASER DIODES 
ML9XX11,ML9XX16,ML9XX22 SERIES 
Notice : Some parametric limits are subject to change           
InGaAsP DFB LASER DIODES 
Dec. 2004
MITSUBISHI 
ELECTRIC
TYPE 
NAME
DESCRIPTION 
ML9XX11, ML9XX16 and ML9XX22 series are DFB 
(Distributed Feedback) laser diodes  emitting  light  
beam  with emission wavelength of 1470 ~ 1610 nm. 
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.    
APPLICATION 
·
~1.25Gbps  digital  transmission  system 
· 
Coarse WDM application
FEATURES 
·
 Homogeneous grating (AR/HR facet coating) structure  
DFB 
·
Wide temperature range operation ( 0 to 85oC ) 
· 
Low  threshold  current  (typical 8mA) 
· 
High speed response (typical 0.1nsec) 
· 
8 wavelength with 20nm space at 1470 ~ 1610nm 
· 
φ
5.6mm TO-CAN package 
· 
Flat window cap, or Aspherical lens cap 
ABSOLUTE MAXIMUM RATINGS 
Symbol 
Po 
Light output power 
If 
Forward current (Laser diode) 
V
RL
Reverse voltage (Laser diode) 
V
RD
Reverse voltage (Photo diode) 
I
FD
Forward current (Photo diode) 
Tc 
Case temperature 
Tstg 
Storage temperature 
ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=25oC otherwise specified) 
[ Flat window cap ; ML925B11F/ML925B16F/ML925B22F/ ML920J11S/ML920J16S/ML920J22S ]  
Symbol 
Parameter 
Test conditions 
CW 
Ith 
Threshold current 
CW, Tc=85
oC
CW, Po=5mW 
Iop 
Operation current 
CW, Po=5mW, Tc=85
oC
Vop 
Operating voltage 
CW, Po=5mW 
η 
Slope efficiency 
CW, Po=5mW 
λ
p 
Peak wavelength 
CW, Po=5mW 
θ 
// 
Beam divergence angle (parallel)
CW, Po=5mW 
Beam divergence angle  
(perpendicular) 
CW, Po=5mW 
Tc= 0 to +85
oC
tr,tf 
Rise and Fall time 
Ib=Ith, 20-80% <*> 
Im 
Monitoring output current (PD) 
CW, Po=5mW 
Id 
Dark current (PD) 
V
RD
=5V 
Ct 
Capacitance (PD) 
V
RD
=5V 
                                                           <*> Except influence of the 18mm lead. 
Parameter 
Conditions 
CW 
--- 
--- 
--- 
--- 
--- 
--- 
Ratings 
10 
150 
2 
20 
2 
0 to +85 
-40 to +100 
Unit 
mW 
mA 
V 
V 
mA 
oC
oC
Min. 
--- 
--- 
--- 
--- 
--- 
0.20 
Typ. 
8 
30 
25 
60 
1.1 
0.28 
<**> 
25 
Max. 
15 
50 
40 
80 
1.5 
--- 
Unit 
mA 
mA 
V 
mW/mA
nm 
deg. 
--- 
35 
θ
┴
CW, Po=5mW 
--- 
35 
45 
deg. 
SMSR 
Side mode suppression ratio 
35 
40 
--- 
dB 
--- 
0.05 
--- 
--- 
0.1 
0.2 
--- 
10 
0.2 
--- 
0.1 
20 
ns 
mA 
μ
A 
pF 
ML925B11F / ML925B16F / ML925B22F 
ML920J11S / ML920J16S / ML920J22S
ML925J11F / ML925J16F / ML925J22F 
ML920L11S / ML920L16S / ML920L22S