50G ER BiDi QSFP28

Product Features

  • QSFP28 MSA form factor
  • Digital diagnostics functions are available via the I2C interface
  • Supports 50GBASE-ER
  • Up to 40km over SMF with KP4 FEC
  • 25G EML linear transmitter
  • 25G APD linear receiver
  • Supports 2x26.5625Gbps 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 consumption 3.5W
  • Operating case temperature: 0 to +70°C
  • 0°C to 70°C Commercial temperature
  • Compliant with IEEE 802.3, RoHS, Class 1 laser safety certified by TUV/UL/FDA



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

50G ER BiDi QSFP28


Product SeriesP/NLink DistanceWavelength (nm)PackageConnectorTempLD/PDNotesDatasheet
50G ER BiDi QSFP28D4TVff-QLCF, D4VTff-QLCF40km1295.56/1309.14QSFP28LC/UPCCEML+APD2*25G NRZ electrical interface, 50G PAM4 at LC/UPC optical interfaceDatasheet-D4TVff-QLCF_D4VTff-QLCF(50G-ER BIDI QSFP28).pdf