CATV DFB and FP laser diode
Description
Description
Features
◆ 11310nm DFB as Transmitter
◆ Low threshold current,
◆ High slope efficiency,
◆ High linearity.
◆ High side-mode-suppression ratio (typical ≥ 40dB).
◆ Coaxial Package,High reliability.
◆ 11310nm DFB as Transmitter
◆ Low threshold current,
◆ High slope efficiency,
◆ High linearity.
◆ High side-mode-suppression ratio (typical ≥ 40dB).
◆ Coaxial Package,High reliability.
Application
◆ SONET OC-12/OC-48 / SDH STM-4/STM-16.
◆ SONET OC-12/OC-48 / SDH STM-4/STM-16.
◆ Gigabit Ethernet.
◆ Stable emitting source.
3.Absolute maximum rating(Tc=25℃)
◆ SONET OC-12/OC-48 / SDH STM-4/STM-16.
◆ SONET OC-12/OC-48 / SDH STM-4/STM-16.
◆ Gigabit Ethernet.
◆ Stable emitting source.
3.Absolute maximum rating(Tc=25℃)
| Parameter | Symbol | Ratings | Unit |
| Reverse Voltage (Laser diode) | VRL | 2 | V |
| Forward current (Laser diode) | IFL | 120 | mA |
| Reverse Voltage (Photo diode) | VRD | 20 | V |
| Forward current (Photo diode) | IFD | 2 | mA |
| Operating temperature | TC | -40~+85 | ℃ |
| Storage temperature | Tstg | -40~+100 | ℃ |
4.Optical and Electrical Characteristics(Tc=25℃)
| Parameter | Symbol | Test condition | Min. | Type | Max. | Unit |
| Threshold Current | Ith | CW, T=25 °C | 4 | --- | 15 | mA |
| CW, T=85 °C | --- | --- | 45 | |||
| Optical Output Power | Pf | CW , IFL=23mA | 2.2 | --- | --- | mW |
| Operating Current | Iop | T=25 °C ，Po=2.2mW | --- | --- | 23 | mA |
| Slope Efficiency | η | 0.2 | 0.25 | --- | mW/mA | |
| Operating Voltage | Vop | CW, IFL= Iop | --- | 1.2 | 1.5 | V |
| Center Wavelength | λc | CW, IFL=Ith+20mA | 1300 | 1310 | 1320 | nm |
| Spectral Width(-20 dB) | ∆λ | IFL= Iop | --- | 0.32 | 1 | nm |
| Side Mode Suppression Ratio | SMSR | CW, IFL=Ith+20mA | 30 | 35 | --- | dB |
| Rise and fall time | Tr ,Tf | IFL=Ith+20mA，10%~90% | --- | --- | 200 | ps |
| Monitor Current | Imon | CW, IFL=Ith+20mA | 100 | --- | 1000 | uA |
| Monitor Dark Current | ID | Vrp=5V | --- | --- | 100 | nA |
| Monitor Capacitance | CPD | VPD=5V ， f=1MHz | --- | 10 | 15 | pF |
| Optical Isolation | ISO | 30 | 35 | --- | dB | |
| Modulation Bandwidth | BW | -3 dB, Vr=5V | 2.5 | --- | --- | GHz |
5.Pin Assignment
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| TYPE A | ||
| PIN ASSING | ||
| 1 | PD Cathode(PD-) | |
| 2 | PD Anode(PD+) | |
| 3 | LD Anode(LD+),GND | |
| 4 | LD Cathode(LD-) | |
6.Package dimensions
