SFP-B1535L-20 155M SFP Bidi 20KM

Optical SFP Module

155Mbps SFP Transceiver Bi-Di TX1310/RX1550nm 20km LC

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155Mbps SFP Transceiver Bi-Di TX1310/RX1550nm 20km LC



  • Up to 155Mbps data links
  • 1310nm FP laser and PIN photo detector for 20km transmission
  • Compliant with SFP MSA and SFF-8472 with single LC 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



The SFP transceivers are high performance, cost effective modules supporting 155Mbps and 20km 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     155   Mbps


Ordering information

Model No. Product Description
SFP-B1535L-20 155Mbps,TX1310/RX1550nm,LC,20km, 0ºC ~ +70ºC, with DDM
SFP-B1535L-20I 155Mbps,TX1310/RX1550nm,LC,20km, -40ºC ~ +85ºC, with DDM



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