
High Performance 2.5Gb/s 20mW DFB OTDR Laser Diode Module 1550nm DWDM (C+L-Band) TEC LC/APC Connector 1550nm Pulsed Laser Diode
Features Low noise, Low distortion Low threshold current Built-in InGaAs/PIN monitor Integrated Optical Isolator Built in temperature controlled cooler Operating wavelength C-band or L-band High reliability,Long opration life Applications Optical Transmitter of Analog Signal Optical Bidi Module and Optical transceivers Test Equipmen
- Product Introduction
Absolute Maximum Ratings (Tc=25℃)
| Parameter | Symbol | Min | Type | Max | Unit | Test Condition |
| Reverse Voltage(LD) | Vr(LD) | - | - | 2 | V | CW |
| Forward Current(LD) (Pulse Mode) | If(LD) | - |
- |
300 | mA | CW, 25℃ |
| Reverse Voltage(MPD) | Vr(PD) | - | - | 15 | V | CW, 85℃ |
| Forward Current(MPD) | If(PD) | - | - | 2 | mA | CW, Iop=Ith+20mA |
| Storage Temperature | Tstg | -40 | - | +85 | ℃ | CW, Iop=50mA |
| Operating Temperature | Topr | -20 | - | +70 | ℃ | CW, Iop=Ith+20mA |
| Lead Soldering Temperature/Time | Ts | - | 260/ 10 | - | ℃/S | VRD= 10V |
| Fiber Bend Radius | R | 30 | - | - | mm | CW, Iop=Ith+20mA |
Transmitter Optical and Electrical Characteristics (Tc=25℃)
| Parameter | Symbol | Min | Type | Max | Unit | Test Condition |
| Threshold Current | Ith |
3 | - | 15 | mA | CW |
| - | - | 50 | mA | CW,T=85℃ | ||
| Operating Voltage | Vf(LD) | - | 1.2 | 1.6 | V | |
| Optical Output Power | Pf | 20 | - |
- |
mW | Pulse Mode IPM= 180mA,PW=10μS |
| Center Wavelength | λc | λc-1 | - |
λc+1 | nm | |
| Monitor Current | Im | 100 | - | 1000 | uA | CW, If=Ith+20mA |
| Capacitance | C | - | 10 | 15 | PF | VRD=5V, f= 1MHz |
| Dark Current | Id | - | - | 100 | nA | VRD=5V |
| Slope Efficiency | SE | 0.12 | - | - | W/A | CW, If=Ith+20mA |
| Tracking Error | TE | -1.5 | - |
1.5 | dB | CW, Im=Constant & If=Ith+20mA |
| Bandwidth | BW | - | 2.5 | - | GHz | |
| Side Mode Suppression Ratio |
SMSR | 30 | - |
- |
dB | CW, If=Ith+20mA |
| Optical Isolation | Iso | 30 | - | - | dB | |
| TEC | Qmax | - | - | 0.6 | W | |
| Imax | - | - | 0.9 | A | ||
| Vmax | - | - | 1.2 | V | ||
| ΔT | - | 40 | - | K | ||
| Thermistor Resistance | Rth | - | 9.9 | - | kΩ | |
| Relative Intensity Noise | RIN | - | - | -130 | dB/Hz |
Outline Diagram and Pin Assignment


Notes:C/L-Band Channel


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