1490nm Pulse Laser for OTDR
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Features
- High output power Pf =40~60 mW @ IFP =400mA
- Long wavelength λC =1490 nm
- Built-in monitor PD
- Pulse Conditions: Pulse width (PW) =10 μs, Duty =1%
Applications
OTDR System
Absolute Maximum Ratings
Parameter | Symbol | Min. | Max. | Unit |
Pulsed Forward Current | IFP | - | 750 | mA |
Reverse Voltage | VR | 2 | V | |
Reverse Voltage (monitor PD) | VRM | - | 10 | V |
Reverse Current (monitor PD) | IFPM | - | 2 | mA |
Operating Case Temperature | TC | 0 | 60 | ℃ |
Storage Temperature | Tstg | -40 | 85 | ℃ |
Lead Soldering Temperature | Tsld | - | 260(10s) | ℃ |
Relative Humidity (noncondensing) | RH | - | 85 | % |
Optical & Electrical Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
Forward Voltage | VFP | - | - | 3.5 | V | IFP =400 mA, PW =10 μs, Duty =1% |
Threshold Current | Ith | - | 20 | 35 | mA | - |
Optical Output Power From Fiber | Pf | 40 | 60 | - | mW | IFP =400 mA, PW =10 μs, Duty =1% |
Center Wavelength | λc | 1470 | 1490 | 1510 | nm | IFP =400 mA, PW =10 μs, Duty =1% |
Spectral Width | σ | - | - | 4 | nm | RMS (−3 dB) |
Rise Time | tr | - | 0.5 | 1.0 | ns | 20-80% |
Fall Time | tf | - | 0.5 | 1.0 | ns | 80-20% |
Monitor Current | Im | 0.05 | - | 2 | mA | VRM =5V |
Pin Description
![](https://www.etwinternational.com/public/propic/2984/b_2-7-app-pulse-laser_03.jpg)
Package Outline
![](https://www.etwinternational.com/public/propic/2984/b_2-7-app-pulse-laser_04.jpg)
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