产品介绍: SFP千兆多模模块-(850nm,0.55km,LC) 产品特点: 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 硬件规格: 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 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. 软件功能: Applications Gigabit Ethernet Fiber Channel Switch to Switch interface Switched backplane applications Router/Server interface Other optical transmission systems 订购信息: Ordering information Part Number Product Description SFP-GE-SX-MM850 850nm, 1.25Gbps, 550m, -5oC ~ +70oC