1310nm/1550nm Duplex Single Mode Single Fiber 20km 1.25G Fiber SFP Module With DDM
1310nm/1550nm Duplex single mode single fiber
20km 1.25G fiber module SFP module with DDM
- Supports up to 1.25Gbps bit rates
- Hot-pluggable SFP footprint
- 1310nm FP laser and PIN photo detector, Up to 20km for SMF transmission
- Compliant with SFP MSA and SFF-8472 with single LC receptacle
- Compatible with RoHS
- Single +3.3V power supply
- Real Time Digital Diagnostic Monitoring
- Operating case temperature:
- Standard: 0 to +70°C
- Industrial: -40 to +85°C
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
| Supply Voltage | Vcc | -0.5 | 4.5 | V |
| Storage Temperature | Ts | -40 | +85 | °C |
| Operating Humidity | - | 5 | 85 | % |
Recommended Operating Environment:
| Parameter | Symbol | Min | Typical | Max | Unit | |
| Operating Case Temperature | Standard | Tc | 0 | +70 | °C | |
| Extended | -20 | +80 | °C | |||
| Industrial | -40 | +85 | °C | |||
| Power Supply Voltage | Vcc | 3.135 | 3.30 | 3.465 | V | |
| Power Supply Current | Icc | 300 | mA | |||
| Data Rate | 0.1 | 1.25 | Gbps | |||
Optical and Electrical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | ||
| Transmitter | ||||||||
| Centre Wavelength | λc | 1260 | 1310 | 1360 | nm | |||
| Spectral Width(RMS) | Δλ | 3 | nm | |||||
| Side-Mode Suppression Ratio | SMSR | - | - | - | dB | |||
| Average Output Power | Pout | -9 | 0 | dBm | 1 | |||
| Extinction Ratio | ER | 9.0 | dB | |||||
| Data Input Swing Differential | VIN | 180 | 1200 | mV | 2 | |||
| Input Differential Impedance | ZIN | 90 | 100 | 110 | Ω | |||
| TX Disable | Disable | 2.0 | Vcc | V | ||||
| Enable | 0 | 0.8 | V | |||||
| TX Fault | Fault | 2.0 | Vcc | V | ||||
| Normal | 0 | 0.8 | V | |||||
| Receiver | ||||||||
| Centre Wavelength | λc | 1530 | 1550 | 1570 | nm | |||
| Receiver Sensitivity | -23 | dBm | 3 | |||||
| Receiver Overload | -1 | dBm | 3 | |||||
| LOS De-Assert | LOSD | -24 | dBm | |||||
| LOS Assert | LOSA | -38 | dBm | |||||
| LOS Hysteresis | 0.5 | 4 | dB | |||||
| Data Output Swing Differential | Vout | 600 | 800 | 1000 | mV | 4 | ||
| LOS | High | 2.0 | Vcc | V | ||||
| Low | 0.8 | V | ||||||
Packing
Advantage
1. Are you a manufacturer?
Yes, we have our production line and R&D team.
2. How will you ship my order?
We will send the goods by air(DHL, UPS or FEDEX) or by sea(for bulk order)
It is fine to ship purchased items via customer’s shipping account or forwarder.
It takes 3~5 calendar days to arrive at local customs for clearance.
3. What is MoQ?
1 Pc/Pair.
For many models, we have stock, it is easy to send samples for your testing.
4. Can I have a discount?
Yes and it is usually based on quantity and after sample testing.
5. What is your payment terms?
In most cases we do T/T wire transfer and full amount should be collected before shipment.
For sample orders, we receive PayPal payment for shorter processing time.
Sometimes Alipay or WeChat payment is fine, it depends on the cases.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.