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| Categories | SFP Transceiver Modules | 
|---|---|
| Brand Name: | Mray | 
| Model Number: | SFP-GE-BX20-SM1310/1550 | 
| Certification: | CE, FCC, RoHs, ISO9001 | 
| Place of Origin: | Shenzhen, China | 
| MOQ: | 1 piece | 
| Price: | Negotiable | 
| Payment Terms: | T/T, Western Union, L/C | 
| Supply Ability: | 10000pcs/day | 
| Delivery Time: | 1~2 days for samples | 
| Packaging Details: | 10pcs/plastic try, 500pcs per standard export carton | 
| Product name: | SFP Module 1.25G LC BiDi WDM 20km SFP Transceiver module | 
| Rate: | 1.25G | 
| Connector: | Simplex LC Connector | 
| Wavelength: | 1310nm/1550nm | 
| Distance: | 20km | 
| Application: | Telecommunication, FTTH FTTB FTTO Network | 
The SFP transceivers are high performance, cost effective modules supporting data-rate of 1.25Gbps and 20Km transmission distance with SMF.
The transceiver consists of three sections: a FP laser transmitter, a PIN photodiode integratedwith a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safetyrequirements.
The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. Forfurther information, please refer to SFP MSA.
| Parameter | Symbol | Min | Typical | Max | Unit | 
| Operating Case Temperature | Standard Tc | 0 | 25 | 70 | °C | 
| Power Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V | 
| Power Supply Current | Icc | 300 | mA | ||
| Power Dissipation | PD | 800 | 1200 | mW | |
| Data Rate | DR | 1.25 | Gbps | ||
| Transmission Distance | TD | 20 | km | 
Transmitter Specification
| Parameter | Symbol | Min | Typical | Max | Unit | |
| Data Input Swing Differential | VIN | 400 | 1800 | mV | ||
| common mode voltage tolerance | 15 | mV | ||||
| Input Differential Impedance | ZIN | 90 | 100 | 110 | Ω | |
| Transmit Disable Input | High | VD | 2.0 | Vcc | V | |
| Low | VEN | VEE | VEE +0.8 | V | ||
| Transmit Enable Output | High | VD | 2.0 | Vcc | V | |
| Low | VEN | VEE | VEE +0.8 | V | ||
| Parameter | Symbol | Min | Typical | Max | Unit | note | 
| Centre Wavelength | λc | 1270 | 1580 | nm | ||
| Receiver Sensitivity | Sen | -22 | dBm | 2 | ||
| Receiver Overload | Psat | -3 | dBm | 2 | ||
| LOS De-Assert | LOSD | -24 | dBm | |||
| LOS Assert | LOSA | -35 | dBm | |||
| LOS Hysteresis | 1 | 4 | dB | |||
| Receiver Reflectance | Rrx | -12 | dB | 








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