Product Features

  • Compliant with IEEE Std 802.3ba, 100G BASE SR4 Ethernet
  • Compliant with QSFP28 MSA
  • Management interface specifications per SFF-8636
  • Single MPO connector receptacle
  • 4 channels 850nm VCSEL array
  • 4 channels PIN photo detector array
  • Up to 103.1Gb/s data rates
  • Single +3.3V power supply
  •  Class 1 laser safety certified
  • Commercial operating temperature:0oC to +70oC
  • Up to 70m on OM3 MMF and 100m on OM4 MMF
  • RoHS6 Compliant


  • 100G BASE-SR4 Ethernet
  • Data Center


This QSFP28SR4 transceiver modules are designed for use in 100Gb/s links over multimode fiber. They integrate four channel VCSEL array and four channel PIN photodiode array, the module can operate at 103.1Gb/s up to 70m using OM3 or 100m using OM4 MMF. They are compliant with the QSFP28 MSA and IEEE 802.3bm 100GBASE-SR4.

TNQSFP28SR4 are compliant with RoHS.

Ordering Information

Table 1. Ordering Information

Part Number Transmitter Output Power Receiver Sensitivity Reach Temp DDM RoHS
TNQSFP28SR4 850nm VCSEL -8.4 ~ +2.4dBm PIN < -11dBm 100m 0~ 70 oC Available Compliant
TNQSFP28LR4 LWDM DFB -4.3~ +4.5dBm PIN < -8.6dBm 10km -5~ 70 oC Available Compliant