1550nm DFB Pigtailed Components(high power)

1550nm DFB Pigtailed Components(high power)
1550nm DFB Pigtailed Components(high power)
1550nm DFB Pigtailed Components(high power)
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Features
  • Built-in optical isolator
  • Low capacitance and low dark current
  • High stability of DFB lasers die
  • Low threshold current, low operating current
  • Integrated high isolation, low insertion loss
Applications

CATV Reverse Transmission
Other Analog or Digital Optical Transmission

Optical & Electrical Characteristics
Parameter Symbol Min. Typ. Max. Unit Test Condition
Rated Power Po 6 8 10 mW Ith+40mA
Slope Efficiency SE - 0.15 0.2 mW/mA -
Threshold Current Ith - 10 15 mA -
Operating Current Iop - 50 70 mA -
Forward Voltage Drop Vop - 1.0 1.2 V CW, Ith+40mA
Cent Wavelength λc 1540 1550 1560 nm -
Spectrum Width(-20dB) Δλ - 0.5 1 nm Ith+40mA
Side-mode Suppression Ratio SMSR 35 - - dB -
Bandwidth Bw - 2.5 - GHz -
Monitor Current Im 100 - 1200 uA CW, Ith+40mA
Dark Current of Monitor Id - - 100 nA 5V
Optical Isolation(Single stage) ISO 35 40 - dB -
Optical Isolation(Double stage) ISO 45 50 - dB -
Return Loss RL - - -45 dB -
Analog Characteristic index
Relative Intensity Noise RIN - -155 -150 dB/Hz -
RF Bandpass Flatness BF - ±1.5 - dB -
Third-order Distortion IMD3 - -55 - dBc -
Carrier Noise Ratio CNR 51 - - dB Note 1
Composite Second Order CSO - - -57 dBc
Composite Triple Beat CTB - - -65 dBc

Note 1:
① If=Iop, Optical Modulation, Index=3.2%/channel (minimum),60 PAL-D unmodulated carries (47 to 550MHz), 10km singlemode fiber, -1dBm received power, Receiver responsivity=0.85A/W.
② If=Iop, Optical Modulation Index=3.2%/channel (minimum), CNR, CSO, CTB tested value at worst case over all test frequencies. NTSC 120ch., 10km singlemode fiber, -1dBm received power, Receiverresponsivity=0.85A/W

Absolute Maximum Ratings
Parameter Symbol Min. Max. Unit Test Condition
Storage Temperature Tstg -40 100 -
Operating Temperature Top -40 85 -
Forward Current(LD) If(LD) - 150 mA -
Reverse Voltage(LD) Vr(PD) - 2 V CW
Forward Current(PD) If(LD) - 2 mA -
Reverse Voltage(PD) Vr(PD) - 15 V CW
Soldering Temp - - 260 -
Soldering Time - - 10 S S
PIN Definition
Drawing
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