產品特點 ：
Features - Data-rate of 1.25Gbps operation
- 850nm VCSEL laser and PIN photodetector
- Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
- Digital Diagnostic Monitoring：
Internal Calibration or External Calibration - 500m transmission with 50/125µm MMF
- 300m transmission with 62.5/125µm MMF
- Compatible with RoHS
- +3.3V single power supply
- Operating case temperature：
Standard : -5 to +70°C
Extended : -20 to +85°C
industrial : -40 to +85°C
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硬件規格：
Absolute Maximum Ratings
Table 1 - 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 Conditions
Table 2 - Recommended Operating Conditions
| Parameter | Symbol | Min | Typical | Max | Unit |
| Operating Case Temperature | Standard | Tc | 0 | | +70 | °C |
| -20 | +85 |
| industrial | -40 | | +85 | °C |
| Power Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V |
| Power Supply Current | Icc | | | 300 | mA |
| Data Rate | | | 1.25 | | Gbps |
Optical and Electrical Characteristics
SFP-GE-SX-MM850: (VCSEL and PIN, 500m Reach)
Table 3 - Optical and Electrical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Transmitter |
| Centre Wavelength | λc | 830 | 850 | 860 | nm | |
| Spectral Width (RMS) | ?λ | | | 0.85 | nm | |
| Average Output Power | Pout | -9.5 | | -3.5 | dBm | 1 |
| Extinction Ratio | ER | 9 | | | dB | |
| Optical Rise/Fall Time (20%~80%) | tr/tf | | | 0.26 | ns | |
| Data Input Swing Differential | VIN | 400 | | 1800 | 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 | 770 | | 860 | nm | |
| Receiver Sensitivity | | | | -18 | dBm | 3 |
| Receiver Overload | | 0 | | | dBm | 3 |
| LOS De-Assert | LOSD | | | -18 | dBm | |
| LOS Assert | LOSA | -35 | | | dBm | |
| LOS Hysteresis | | 1 | | 4 | dB | |
| Data Output Swing Differential | Vout | 400 | | 1800 | mV | 4 |
| LOS | High | 2.0 | | Vcc | V | |
| Low | | | 0.8 | V | |
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Notes:
1. The optical power is launched into MMF.
2. PECL input, internally AC-coupled and terminated.
3. Measured with a PRBS 27-1 test pattern @1250Mbps, BER ≤1×10-12.
4. Internally AC-coupled.
軟件功能：
Applications - Gigabit Ethernet
- Fiber Channel
- Switch to Switch interface
- Switched backplane applications
- Router/Server interface
- Other optical transmission systems
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訂購信息：
Ordering information
| Part Number | Product Description |
| SFP-GE-SX-MM850 | 850nm, 1.25Gbps, 550m, -5ºC ~ +70ºC |
