TXλc=RXλc BOSA FOR OTDR
Features
- High-reliability MQW DFB laser chips
- Low noise, low distortion, low threshold current
- Coaxial pigtail package
Applications
OTDR transmission system
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Typ. | Max. | Unit |
| Reverse voltage(LD) | Vrl | - | - | 2 | V |
| Forward Current (LD) | LfL | - | - | 700 | mA |
| Reverse voltage (monitor) | Vrl | - | - | 15 | V |
| Reverse Current (monitor) | Lrp | - | - | 2 | mA |
| Input optical power(APD) | Pin | - | - | -10 | dBm |
| Soldering Temperature(< 10sec.) | Stemp | - | - | 260 | ℃ |
| Storage Temperature | Tstg | -40 | - | 85 | ℃ |
| Operating Temperature | Top | -10 | - | 60 | ℃ |
Electrical and Optical Characteristics
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
| 1625nm Pulse Laser | ||||||
| Output Power | Po | 20 | - | - | mW | IFP = 400 mA, PW = 10 μs, Duty = 1% |
| Threshold Current | Ith | - | 10 | 15 | mA | - |
| Operating Voltage | Vf | - | 2.5 | 3.0 | V | IFP = 400 mA, PW = 10 μs, Duty = 1% |
| Cent Wavelength | λc | 1625 | - | 1640 | nm | IFP = 400 mA, PW = 10 μs, Duty = 1% |
| Rise Time | tr | - | 0.2 | 0.5 | ns | 10-90% |
| Fall Time | tf | - | 0.2 | 0.5 | ns | 90-10% |
| Spectral Width(RMS) | Δλ | - | 0.5 | 1 | nm | -20dB |
| 1625 APD | ||||||
| Operating Wavelength Rang | λ | 1100 | - | 1700 | nm | - |
| Reverse Breakdown Voltage | VBR | 40 | 45 | - | V | ID = 100 μA |
| Dark Current | ID | - | - | 5 | nA | VR = VBR x 0.95 |
| Bandwidth | BW | - | 2.5 | - | GHz | M=10 |
| Capacitance | C | - | 0.3 | 0.5 | pF | - |
| Responsivity | R | - | 0.40 | - | A/W | 1625nm,M=1 |
| Multiplication Factor | M | 20 | - | - | M | 1625nm,Ipo=1.0uw,Vr=(ID< 5A) |
| TX&RX ISO | Iso | 20 | - | - | dB | - |
| Optical Return Loss | RL | 30 | 40 | - | dB | - |
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