50G LR BiDi QSFP28

Product Features

  • QSFP28 MSA form factor
  • Digital diagnostics functions are available via the I2C interface
  • 0°C to 70°C Commercial temperature
  • Supports 50GBASE-LR 
  • Up to 10km over SMF
  • 25G DFB Transmitter
  • 25G PIN Receiver
  • Supports 2x25Gbps Host Interface
  • Supports 53.125Gbps optical Interface
  • QSFP28 MSA Package with Single LC Connector
  • Compliant to SFF-8636
  • Single 3.3V power supply 
  • Maximum power dissipation 3.5W 
  • Compliant with IEEE 802.3, RoHS, Class 1 laser safety certified by TUV/UL/FDA



50GBASE-LR Ethernet Links, Data centers, Data center Internal networks, Campus networks, Metropolitan networks, 5G wireless networks and other communication environments.

50G LR BiDi QSFP28


Product SeriesP/NLink DistanceWavelength (nm)PackageConnectorTempLD/PDNotesDatasheet
50G LR BiDi QSFP28D121ff-QLCF, D112ff-QLCF10km1270/1330QSFP28LC/UPCCDFB+PIN2*25G NRZ electrical interface, 50G PAM4 at LC/UPC optical interfaceDatasheet-D112ff-QLCF_D121ff-QLCF(50G LR QSFP28 BIDI).pdf