SFP-S1213L-40 1.25G SFP Module 40KM

Optical SFP Module

1.25Gbps SFP Transceiver SM 1310nm 40km LC

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1.25Gbps SFP Transceiver SM 1310nm 40km LC



  • Up to 1.25Gbps data links
  • 1310nm FP laser and photo PIN detector for 40km transmission
  • Compliant with SFP MSA and SFF-8472 with DuplexLC receptacle
  • Digital Diagnostic Monitoring: Internal Calibration or External Calibration
  • Single +3.3V power supply
  • Compatible with SONET
  • Compatible with RoHS
  • Operating case temperature: Commercial: 0℃ to +70℃   Industrial: -40℃ to +85℃



  • SDH and SONET system
  • Fiber Channel
  • Switch to Switch interface
  • Switched backplane applications
  • Router/Server interface
  • Other optical transmission systems



  • Compliant with MSA SFP specification
  • Compliant with IEC
  • Compliant with IEEE 802.3z



The SFP transceivers are high performance, cost effective modules supporting dual data-rate of 1.25Gbps and 40km transmission distance with SMF.

The transceiver consists of three sections: a FP laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.

The transceivers are compatible with SFP Multi-Source Agreement (MSA). For further information, please refer to SFP MSA.


Absolute Maximum Ratings

Parameter Symbol Min Max Unit
Supply Voltage Vcc 0 4 V
Storage Temperature Ts -40 +85 °C
Operating Humidity 5 85 %


Recommended Operating Conditions

Parameter Symbol Min Typical Max Unit
Operating Case Temperature Standard Tc 0 +70 °C
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


Ordering information

Model No. Product Description
SFP-S1213L-40 1.25Gbps,1310nm, LC, 40km, 0ºC ~ +70ºC, with DDM
SFP-S1213L-40I 1.25Gbps,1310nm, LC, 40km, -40ºC ~ +85ºC, with DDM



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