MITSUBISHI LASER DIODES
ML7XX11 SERIES
InGaAsP DFB-LASER DIODES
TYPE
NAME
ML725B11/ML720J11S/ML725J11F
APPLICATION
Long - distance digital transmission system
DESCRIPTION
ML7XX11 series are DFB (Distributed Feedback) laser diodes
emitting light beam around 1310nm.
They are well suited for light source in long -distance
digital transmission systems.
ML725B11F / ML720J11S are hermetically sealed devices with
the photo diode for optical output monitoring.
***Specification
Note
Type
ML7XX11-01
ML7XX11-02
ML7XX11-03
Operation Temperature Range
Tc=-40 to 85ºC
Tc=-20 to 85ºC
Tc= 0 to 85ºC
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
ABSOLUTE MAXIMUM RATINGS
Symbol
Po
VRL
VRD
IFD
Tc
Tstg
Parameter
Light output power
Reverse voltage (Laser diode)
Reverse voltage (Photo diode)
Forward current (Photo diode)
Case temperature
Conditions
CW
-
-
-
-
-
-01
-02
-03
Ratings
6
2
20
2
-40 to +85
-20 to +85
0 to +85
- 40 to +100
Unit
mW
V
V
mA
ºC
Storage temperature
ºC
ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=25ºC
Symbol
Ith
Iop
Vop
p
Parameter
Threshold current
Operation current
Operating voltage
Slope efficiency
Peak wavelength
Beam divergence angle (parallel)
Beam divergence angle
(perpendicular)
SMSR
I
m
tr,tf
Side mode suppression ratio
Monitoring output current
Rise and Fall time
CW
CW,Po=5mW
CW,Po=5mW
CW,Po=5mW
CW,Po=5mW ***)Note
CW,Po=5mW
CW,Po=5mW
CW,Po=5mW ***)Note
CW,Po=5mW
If=Ith,Po=5mW,10 - 90%
Test conditions
Min.
-
-
-
0.3
1290
-
-
30
-
-
Typ.
10
20
1.2
0.5
1310
25
30
40
0.2
0.2
Max
30
40
1.8
-
1330
35
40
-
-
0.4
Unit
mA
mA
V
mW/mA
nm
deg.
deg.
dB
mA
ns
MITSUBISHI
ELECTRIC