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SN 1.6mm Connector

SENKO’s SN® 1.6mm standard connector has been designed and optimized for 400G new generation Data Center applications and has been adopted to transceiver applications including QSFP-DD. The duplex design utilizes a unique Push-Pull boot for superior manageability and simple installation and removal from transceivers and adapter panels.
SN Licensees

  • Accepts up to 1.6mm fiber
  • Very Small Form Factor (VSFF)
  • Uses proven LC ferrule technology
  • Exceeds GR-326-CORE requirements
Parameters Single-mode Multimode
SM Premium Low Loss SM Premium SM Premium Low Loss SM Premium Premium
Typical Insertion Loss (dB)* 0.05 0.08 0.07 0.12 0.05
Max Insertion Loss (dB)* 0.15 0.20 0.15 0.25 0.15
Typical Return Loss (dB) ≥55 ≥65 ≥25
Operating Temperature (°C) -40 to +75
Durability <0.2dB typical change, 500 mating’s
Ferrule Ø 125μm 127μm

* Per random mating testing IEC 61753-1

Data Center

On Board Optics



Quantum computing



Government & Defense

Reach logo
IEC logo
TIA logo

The SN Connector can be used in temperatures as low as -40°C and up to 75°C.

The SN connector utilizes a push/pull action on the boot to engage or disengage the connector.

No, you need a jacketed 2 fiber cable

The SN is designed to fit into a QSFP-DD, SFP-DD, and OSFP transceiver