DFB Butterfly Laser Diode Module
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The 1MW-16MW 1550nm DFB butterfly laser diode is encapsulated in a 14-pin butterfly package. The equipment consists of a built-in thermoelectric cooler, thermistor, and monitoring photoelectric diode. It produces a low threshold current, high output power, and small temperature coefficient of the wavelength. According to the customer’s requirements, the module can be supplied with a built-in or external isolator and internal or external modem.
Applications
CATV forward-path
1550nm broadcast and point-to-point applications
| Parameter | Symbol | Condition | Min. | Max. | Unit |
| Operating Temperature | Tc | I=Iop | -20 | 80 | °C |
| Storage Temperature | Tstg | - | -40 | 85 | °C |
| Laser Forward Current | If | - | - | 150 | mA |
| Laser Reverse Bias | Vr | - | - | 2 | V |
| Photodiode Reverse Bias | Vrpd | - | - | 10 | V |
| 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 |
| Pin | Description | Pin | Description |
| 1 | Thermistor | 8 | Ground |
| 2 | Thermistor | 9 | Ground |
| 3 | LD (N) bias | 10 | Ground |
| 4 | Detector (P) | 11 | LD (P), ground |
| 5 | Detector (N) | 12 | LD (N), RF modulation |
| 6 | TEC (+) | 13 | LD (P), ground |
| 7 | TEC (-) | 14 | Ground |
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