PIGTAILED
1550 nm DFB LASER DIODE MODULES
Features
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1550nm
InGaAsP/InP MQW-DFB laser diode (LD)
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Uncooled
with or without isolator
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Single–stage
isolator
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Low
threshold current
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Hermetically
sealed
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-20oC
to +85oC operating temperature
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High
performance/speed InGaAs monitor PIN photodiode (PD)
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Pigtailed
Package
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Base
on Telcordia reliability
Application
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SONET
OC3,OC-12 ,OC-24, OC-48
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SDH
STM-1,STM-4,STM-8, STM-16 ITU-T recommendations
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2.5Gbps
Gigabit Ethernet
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Stable
emitting source at specific wavelength
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Read Model No.
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T15D -XYZ-WM-I
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T15D = Laser
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1550 nm DFB laser
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X = Package
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Pigtailed with 9/125 mm
SM fiber (X=P)
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Y = Connector
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None (Y=NO)
FC-PC (Y=FC); SC-PC (Y=SC); ST-PC (Y=ST);
FC-APC (Y=FA); SC-APC (Y=CA); ST-APC (Y=TA)
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Z = Output power
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>2mW(Z=2)
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W = Pinout
configuration
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C pinout configuration (W=C)
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M = Mount
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No flange (M=0), Horizontal mount (M=1)
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T = Operating Temperature
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T= -20 to 85 oC (T=2)
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I= Isolator
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No isolator (I=blank), with isolator (I=I)
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Ordering
Information Example
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FC/PC
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>2mW
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No |
No
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FC/PC
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>2mW
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Horizontal |
No
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FC/PC
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>2mW
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No |
Yes
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FC/PC
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>2mW
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Horizontal |
Yes
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Absolute Maximum Ratings
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Parameter
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Symbol
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Value
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Unit
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Storage
temperature
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Tstg
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-40~+85
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oC
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Operating
case temperature
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Top
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-20~+85
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oC
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Peak
optical output power
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Po
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5
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mW
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Forward
current (LD)
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IFLD
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120
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mA
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Reverse
voltage (LD)
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VRLD
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2
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V
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Reverse
current (PD)
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IRPD
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2
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mA
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Reverse
voltage (PD)
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VRPD
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10
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V
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Soldering
temperature
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Stemp
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260
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oC
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Soldering
time
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Stime
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10
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sec
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Specifications
Electrical
and Optical Characteristics (CW @ T=25 oC)
Parameter
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Symbol
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Condition
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Min.
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Typ.
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Max.
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Unit
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Threshold current
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Ith
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CW
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－
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12
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18
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mA
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CW, Tc=-20~85 oC
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－
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35
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50
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Operating voltage
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Vop
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CW, Pop, Tc=-20~85 oC
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－
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1.1
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1.6
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V
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Operating current
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Iop
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Pop=2.0mW
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－
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25
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35
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mA
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Pop=2.0mW, Tc=-20~85 oC
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－
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35
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60
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Peak wavelength
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λp
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Pop=2.0mW
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1530
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1550
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1570
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nm
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Spectral width (-20dB)
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Dl
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Pop=2.0mW
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－
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0.1
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1.0
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nm
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Wavelength temp. coefficient
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Dl/DT
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－
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0.09
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－
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nm/ oC
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Side-mode suppression ratio
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SMSR
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Pop=2.0mW
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30
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40
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－
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dB
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Rise time / Fall time
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Tr/Tf
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Ib=Ith, 20%~80%
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－
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－
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0.20
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ns
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Monitor current
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Im
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Pop , Vrp =5V
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25
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－
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375
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uA/mW
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Monitor dark current
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Id
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Vrp = 5V , Tc=-20~85 oC
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－
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－
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200
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nA
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Tracking error
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－
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APC , -20℃~+85
oC
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－
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±0.5
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±1.0
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dB
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Optical isolation
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ISO
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30
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dB
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Pin Assignment
Dimensions Outline:
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