Butterfly 1550nm Pulsed Laser for OTDR
Features
- High output power Pf = 60 mW
- Long wavelength λc = 1550 nm
- Built-in/out monitor PD
- Pulsed Conditions: Pulsed width (PW) = 10 μs, Duty = 1%
Applications
This fiber pigtailed pulsed laser is designed to be used as light source in fiber optic test and measurement equipment,such as OTDR System.
Absolute Maximum Ratings
| Parameter | Symbol | Condition | Min. | Max. | Unit |
| Pulsed Forward Current | IFP | - | - | 700 | mA |
| Reverse Voltage | VR | - | - | 2 | V |
| Reverse Voltage (monitor PD) | VRM | - | - | 10 | V |
| Reverse Current (monitor PD) | IFPM | - | - | 2 | mA |
| Operating Case Temperature | Tc | I=Iop | -20 | 80 | °C |
| Storage Temperature | Tstg | - | -40 | 85 | °C |
| TEC Current | Itec | -20 °C <Tc <+65 °C,Top=25 °C If=100 mA | -2 | +2 | A |
| TEC Voltage | Vc | - | -2.5 | +2.5 | V |
| ESD | - | ESD - HBM: R=1500 ohm, C=100 pF | -500 | +500 | V |
| Lead Solder Temperature | - | - | - | 260 | °C |
| Lead Soldering Time | - | - | - | 10 | S |
| Fiber Bend Radius | - | - | 30 | - | mm |
| Fiber Yield Strength | - | - | - | 1 | kgf |
Optical & Electrical Characteristics(Room temperature 25℃)
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
| Forward Voltage | VFP | - | 2.0 | 2.5 | V | IFP = 400mA, PW = 10 μs, Duty = 1% |
| Threshold Current | Ith | - | 5 | 10 | mA | - |
| Optical Output Power From SM Fiber | Pf | - | 60 | - | mW | IFP =400 mA, PW = 10 μs, Duty = 1% |
| Center Wavelength | λc | 1547 | 1550 | 1553 | nm | IFP = 400 mA, PW = 10 μs, Duty = 1% |
| Spectral Width | σ | - | - | 2 | 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 = 5 V |
| Thermistor Resistance | Rt | T=25 °C | 9.5 | - | 10.5 | KΩ |
| Thermistor B Constant | B | T=25 °C | - | 3900 | - | K |
| TEC Current | IC | ΔΤ=40°C | - | - | 1.0 | A |
| TEC Voltage | VC | ΔΤ=40°C | - | - | 2.0 | V |
Pin Description
| 14-pin BTF Package | |||
| Pin | Function | Pin | Function |
| 1 | Thermistor | 8 | NC |
| 2 | Thermistor | 9 | Case |
| 3 | LD（－） | 10 | Case |
| 4 | MPD（－） | 11 | LD（＋）,Case |
| 5 | MPD（＋） | 12 | LD（－）,RF |
| 6 | TEC（＋） | 13 | LD（＋）,Case |
| 7 | TEC（－） | 14 | NC |
Package Outline
Order information
PBF-D552-X10P60
| P | BF | D55 | 2 | -X | X | X |
| Mode | Product Type | Wavelength | Bandwidth | Connector | Pigtail Length | Power Range |
| Pulsed | Butterfly | D55: 1550nm | 2：2.5Gb/s | 1：FC/APC 2：FC/PC 3：SC/APC 4：SC/PC 5：LC/PC 6：LC/APC W:without | 10:1m | P60：≥60mW |
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