Coaxial 1550nm Orange Fiber Optic Pigtail CATV coaxial DFB with and without TEC
1. Features:
LD module
Adopt Fabry Perot (Multi-Quaturm-Well)Structure
Coaxial Package
Built-in InGaAs monitor
High Reliability.Long operation life
Laser welding fixed
Various output power(0.5nw-4mw)
2. Applications:
Optical Transmitter of Data Signal
Optical Transmitter of Analog Signal
Optical Bidi Module and Optical Receiver
Test Equipments
Transceiver Module
Telecommunication
3. Absolute Maximum Ratings (Tc=25℃)
| Parameter | Symbol | Ratings | Unit |
| Operating Current | If(LD) | Ith+20 | mA |
| Reverse Voltage | Vr(LD) | 2.0 | v |
| Operating Current | If(PD) | 2 | mA |
| Reverse Voltage | Vr(PD) | 15 | V |
| Operating temperature | Topr | -40~+85 | ℃ |
| Storage temperature | Tstg | -40~+85 | ℃ |
| Welding temperature | Tsld | 260/10 | ℃/S |
4. Optical and Electrical Characteristics (Tc=25℃)
| Parameter | Symbol | Min. | Type | Max. | Unit | Test Condition | |
| Threshold Current | Ith | 4 | 15 | mA | CW | ||
| Forward Voltage | Vop | 1.2 | 1.5 | V | CW,If=Iop | ||
| Optical Output Power | Pf | 1 | 4 | mW | CW,If=Ith+20mA | ||
| Center Wavelength | FP-LD | λc | λc-20 | λc | λc+20 | nm | λc=1270~1650 |
| DFB-LD | λc | λc-10 | λc | λc+10 | nm | ||
| CWDM LD | λc | λc-3 | λc | λc+3 | nm | ||
| Rise/Fall Time(10~90)% | Tr/Tf | 0.4 | nS | If=Ith,Po=Pf(10-90)% | |||
| Monitor Current | Im | 100 | 1000 | uA | CW,P0 = Pf | ||
| Capacitance | CPD | 10 | 15 | PF | VRD=5V | ||
| Dark Current | Id | 1 | nA | VRD=5V | |||
| Side Mode Suppression Ration | SMSR | 35 | 40 | dB | CW,Po=5mW | ||
| Isolation | ISO | 30 | dB | ||||
According to customer requirements out of fiber-power design; side-mode suppression ratio only applies to DFB Laser Module.
FP laser wavelength range ±20nm; DFB laser diode wavelength range ±10nm, CWDM laser diode wavelength range ±3nm.
