ML4XX26 SERIES
ML40126N
ML44126N,ML44126R
FEATURES
•
Output 5mW(CW)
•
Built-in monitor photodiode
•
Low droop
APPLICATION
•
Laser Beam Printing, Digital Copy
MITSUBISHI LASER DIODES
FOR OPTICAL INFORMATION SYSTEMS
TYPE
NAME
FEATURES
ML4xx26 series is AlGaAs laser diodes which
provide a stable, single transverse mode ocillation
with emission wavelength of 785nm and standard
continuous light output of 5mW.
ML4xx26 are hermetically sealed devices having
the photodiode for optical output monitoring.
ML4xx26 is produced by the MOCVD crystal
growth method which is excellent in mass production
and characteristics uniformity.
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Symbol
Po
VRL
VRD
IFD
Tc
Tstg
Parameter
Light output power
Reverse voltage (laser diode)
Reverse voltage (Photodiode)
Forward current (Photodiode)
Case temperature
Storage temperature
Conditions
CW
-
-
-
-
-
Ratings
8
2
30
10
-40~ +60
-40~ +100
Unit
mW
V
V
mA
°C
°C
Note1: The maximum rating means the limitation over which the laser should not be operated even instant time,
and this does not mean the guarantee of its lifetime.As for the reliability,please refer to the reliability report from Mitsubishi
Semiconductor Quality Assurance Department.
ELECTRICAL / OPTICAL CHARACTERISTICS (Tc=25°C)
Symbol
Ith
Iop
η
Vop
λp
Parameter
Threshold current
Operation current
Slope efficiency
Operating voltage
Peak wavelength
Beam divergence angle
(parallel)
Beam divergence angle
(perpendicular)
Monitoring output current
(Photodiode)
Dark current (Photodiode)
Capacitance (Photodiode)
Droop
Test conditions
CW
CW,Po=5mW
CW,Po=5mW
CW,Po=5mW
CW,Po=5mW
CW,Po=5mW
CW,Po=5mW
CW,Po=5mW, V
RD=
1V
R
L
=10Ω(Note3)
V
RD
=10V
V
RD
=5V, f=1MHz
CW,Po=3mW
MIn
-
-
0.25
-
770
8
22
-
-
-
-
-
Typ.
25
40
0.35
2
785
11
29
0.45
0.90
-
7
6
Max
40
70
0.45
2.5
800
15
36
-
-
0.5
-
-
Unit
mA
mA
mW/mA
V
nm
θ
//
θ
⊥
Im
Im(Note2)
ID
Ct
D
°
°
mA
µA
pF
%
Note 2: Applicable to ML44126R and ML44126N
Note 3: RL=the load resistance of photodiode
MITSUBISHI
ELECTRIC
(1/4)
as of February '00
MITSUBISHI LASER DIODES
ML4XX26 SERIES
FOR OPTICAL INFORMATION SYSTEMS
Typical Chracteristics
Tc=10 25 40 50 60°C
Light Output Power, Po (mW)
5
4
3
2
1
100
Relative Intensity (%)
80
60
40
20
0
-60
Tc=25°C
Po=5mW
θ
//
=11°
θ
=29°
CW
0
0
20
40
60
80
100
-40
-20
0
20
40
60
Operating Current, Iop (mA)
Light Output Power vs. Current (CW)
Angle (deg.)
Far-Filed-Patterns
Threshold Current, Ith (mA)
Peak Wavelength,
λp
(nm)
810
805
800
795
790
785
780
0
10 20 30 40 50 60 70
Po=5mW
CW
100
Po=5mW
CW
10
0
10 20 30 40 50 60 70
Case Temperature, Tc (°C)
Peak Wavelength vs. Temperature
Case Temperature, Tc (°C)
Threshold Current vs. Temperature
as of February '00
MITSUBISHI
ELECTRIC
(3/4)
MITSUBISHI LASER DIODES
ML4XX26 SERIES
FOR OPTICAL INFORMATION SYSTEMS
Typical Chracteristics
Peak Wavelength,
λp
(nm)
Monitor Current, Im (mA)
0.6
0.5
0.4
0.3
0.2
0.1
0
0
1
2
3
ML40126N
Tc=25°C
CW
793
792
791
790
789
788
0
1
2
3
4
5
6
7
8
Tc=25°C
CW
4
5
6
L ig h t Ou tp u t P o w e r (mW)
Monitor Photodiode Current
Light Output Power, Po (mW)
Peak Wavelength vs. Light Output Power
as of February '00
MITSUBISHI
ELECTRIC
(4/4)
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