MITSUBISHI (OPTICAL DEVICES)
FU-627SDF
1.55
m
m DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL
DESCRIPTION
Mod ule type FU-627SDF has been developed for
coupling a sin glemode optical fib er and a 1.55
m
m
wavelength InGaAsP DFB LD (Laser diode).
FU-627SDF is suitable to light source for high-speed
short haul digital optical communication systems.
FEATURES
MQW-DFB laser diode module
High-speed response
Emission wavelength is in 1.55
m
m band
APPLICATION
High -speed short haul and long haul digital optical
communication systems.
ABSOLUTE MAXIMUM RATINGS (Tc=25
C)
Parameter
Symbol
Conditions
Rating
Unit
Laser diode
Optical
output
power from fib er
end
Pf
CW
3
mW
Reverse voltage
Vrl
-
2
V
Photodiode
for monitoring
Reverse voltage
Vrd
-
15
V
Forward current
Ifd
-
2
mA
Operating case temperature
Tc
-
0~+85
C
Storage temperature
Tst
-
-40~+85
C
MITSUBISHI (OPTICAL DEVICES)
FU-627SDF
1.55
m
m DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL
ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=25
C, unless otherwise noted)
Parameter
Symbol
Test Conditions
Limits
Unit
Min.
Typ.
Max.
Threshold current
Ith
CW
-
15
40
mA
Operating current
Iop
CW
-
38
90
mA
Operating Voltage
Vop
CW,If=Iop (Note 1)
-
1.2
1.6
V
Optical output power from fib er
end
Pf
CW,If =Iop
2
-
-
mW
Center wavelength
l
c
CW,If =Iop
1530
1550
1570
nm
Side mode suppression ration
SMSR
CW,If=Iop
30
35
-
dB
Rise and fall times
tr, tf
Ib=Ith,10~90% (Note 2)
-
0.3
-
ns
Tracking error (Note 3) Er
Tc=0~85
C,APC
-
0.5
dB
Differential efficiency
h
-
-
0.08
-
mW/m
A
Monitor current
Imon
CW,If=Iop,Vrd=5V
0.1
0.5
-
mA
Dark current (Photodiode)
Id
Vrd=5V
-
0.1
0.5
m
A
Capacitance (Photodiode)
Ct
Vrd=5V,f=1MHz
-
-
20
pF
Note 1. If : Forward current (LD)
2. Ib : Bias current (LD)
3. Er=MAX|10
log(Pf(Tc)/Pf(25
C))|
OPTICAL FIBER SPECIFICATION
Parameter
Limits
Unit
Type
SM
-
Mode filed dia.
9.5
1
m
m
Cladding dia.
125
2
m
m
Jacket dia.
0.9 typ.
mm
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